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[Sticky] Dr Colin Waker...Melbourne Vet.⭐️⭐️⭐️⭐️⭐️


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Dr Colin Walker established the Australian Pigeon Company in 1994, to develop, manufacture and distribute a range of veterinary medicines and health supplements for pigeons. Dr Walker's veterinary expertise, together with his knowledge of the requirements of pigeon racers, gathered through experience of his own race team, place him in the unique situation to develop such products. The result is a range of quality products made for the pigeon racer and based on sound veterinary knowledge.

A summary list of the most popular and widely used products follows, together with information on the common diseases and the best way to use these medications in their control. The most common health problems encountered in pigeons are canker, respiratory infection, Coccidia, worms and external parasites.

The medications that are used to control these are:

1. Toltrazuril Coccidiocide Solution - This effective Coccidia medication requires only a 2-day treatment course; safe to use during all stages of the pigeon year.

2. Turbosole - The safe, effective, quick-acting treatment for canker. The medication of choice during breeding, racing and moulting.

3. Doxy-T - A blend of Doxycycline and Tylan. Recommended by veterinarians worldwide as the medication of choice to treat and manage the respiratory infection complex during racing.

4. Moxidectin - A clear water-soluble wormer that not only eliminates roundworms and hairworms but also eradicates all external parasites (including airsac mites) that feed off body fluid. Readily taken by the birds, there is no need to withhold food. The wormer of choice during racing, breeding and moulting.

5. Permethrin - A pyrethroid insecticidal spray that can not only be used to spray or dip the birds but also to spray the loft.

6. Moxidectin Plus- A moxidectin/praziquantel water-soluble worming solution that also treats tape worms.


Nature of the disease

The disease canker is caused by a protozoan Trichomonas columbae. This is a microscopic single-celled organism. It lives within the digestive tract of pigeons, in particular the throat and crop, and can also involve associated areas such as the bile duct. The organism is fragile in the environment, only surviving for a few minutes once outside the bird. This helps with control of the disease and means that the birds cannot become infected from the loft or immediate environment as happens with other diseases such as worms and paratyphoid. The organism (trichomonad) requires intimate contact between birds to be spread and is usually transmitted by saliva or pigeon milk. Saliva contaminates food and water. As a pigeon drinks, the organism swims away from its beak and, when another pigeon comes to drink, it not only drinks the water but also the trichomonads there. When a pigeon sorts through grain, each dropped grain contains a small amount of saliva. In this way, the disease can also be spread through a feed hopper. Adult birds 'billing' can transmit the organism, as do parents when feeding their nestlings.

Control of canker during the breeding season

Correct medication is vital during the breeding season so that the level of natural immunity in the weaned youngster is as high as possible. Because the severity of the disease varies in different lofts, there is no single blanket program that is best for all lofts. There is no drug that by itself will cure canker in a loft. It is a matter of using medication correctly so that the birds can establish a strong natural immunity to the disease. It is this natural immunity that, in the longer term, protects them from the disease.

What causes canker to appear during the breeding season?

In health, every time the feeding stock bird feeds its youngsters, it passes on some of its own trichomonads to them. This gives the youngsters a controlled gradual exposure to the organism, which in turn allows them to establish their own natural immunity. Clinical disease appears in the babies when the stock birds shed too many trichomonads over a given period of time to their youngsters.

Increased rates of trichomonad shedding will occur if:
• the stock birds are stressed for any reason - Anything that stresses the stock bird will lead to an increased rate of trichomonad shedding and includes such things as a poorly designed loft, poor management practices, incorrect feeding, and other concurrent diseases.
• the stock birds' natural immunity is not high - Stock birds are likely to shed higher numbers more readily when breeding if their own natural immunity to the strains present in the loft is not as yet solid. This can occur if new stock birds carrying different trichomonad strains have been introduced to the loft during the non-breeding time. All birds carry some immunity to the resident trichomonad strains in their loft. When birds from different lofts mix, they exchange their trichomonad strains. Adult stock birds during the non-breeding season are not stressed and so exposure to any new strains brought in by introduced birds is unlikely to lead to disease. They are not moulting, not breeding, and have plenty to eat, and therefore no sign of canker occurs. However, when paired, if their natural immunity to the new different strains is not solid, the stress of feeding will cause them to 'break down' and shed larger numbers of trichomonads. In the same way, the introduced birds need to establish an immunity to their new loft's resident strains. This is why canker is more of a problem in lofts that are still establishing with birds coming from a variety of other lofts. As the years roll by, fewer new birds are introduced and so the chance of new trichomonad strains getting into the loft decreases. The birds' immunity to resident strains becomes solid and the effect of the disease is less marked.

Many fanciers are frustrated when canker appears in the stock loft. With excellent care in a good loft, they wonder just how it is that the disease can come. Certainly they are on the right track with this approach because in a good loft under good care it is less likely that the stock birds will shed large numbers of trichomonads. However, some strains are so active that problems will arise no matter how well the birds are cared for.

How to manage an outbreak of canker during the breeding season

When canker does appear during breeding, its management is two-fold. It is a matter of:
1. treating the sick youngsters - In lofts with a canker problem, all youngsters should be checked daily. If a sick youngster is noticed it can be successfully treated, and such youngsters can go on to become champions. Either Spartrix or Flagyl tablets* can be used, however, Spartrix is more convenient to medicate the nestlings. The dose of Spartrix is one tablet per adult bird. Estimate how big the youngster is compared to the adult and give it this proportion of the tablet once daily until well. Usually, one to four doses are required. It is often good to also medicate both the nest mate and parents for 2 days. If the unwell youngster is slow to respond, it is usually best eliminated. Individual pairs that breed youngsters with canker are best mated to different birds for subsequent rounds.

At the same time, it is important to
2. decrease the number of fresh cases - This is done by checking the number of trichomonads that the stock birds are shedding. This is achieved by giving 2 days Turbosole* periodically. The exact frequency depends on the incidence of canker but usually every 1 - 3 weeks is appropriate. One needs to give sufficient 2-day courses to limit the number of new youngsters with the disease, but at the same time to avoid overuse of the drug so that the developing youngster is still getting an on-going exposure to the organism. It is a matter of working between these two extremes.

The important thing to always remember with canker during the breeding season is that the disease can never be controlled through medication alone. It is the development of a strong natural immunity that protects the birds in the longer term. It is important that medication is used to keep the birds well but used in such a way as to not interfere with the development of this immunity.
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Preventative programs for the breeding season
In the stock loft that had canker last season

Treat all stock birds for 5 - 7 days before pairing and then for 2 days every 1 - 3 weeks once paired. Frequency of treatment depends on the severity of the problem and the control achieved. Try and coincide these 2-day treatment periods with the time of hatching when trichomonad shedding is highest. If canker is still a problem in certain pairs, try to only medicate these pairs. This can be achieved by breeding from them in individual runs and only medicating their water with Turbosole for 2 days as required or alternatively leaving them in the loft and just treating them with Spartrix or Flagyl tablets for 2 days when needed. Splitting the pair and remating each to other birds for the next round may help.

Stock birds can be crop flushed before pairing to identify those birds carrying large numbers of trichomonads. These birds are not only more likely to shed large numbers of trichomonads more readily once paired but also to pass on their genetic susceptibility to canker. In the longer term, it is best if these birds, when identified, are eliminated. The problem is that they may, in fact, be the winners and here lies the challenge for the fancier - to breed birds less susceptible to the disease that are also winners.

In the stock loft that had no canker last season

No treatment is required. If there was no problem with canker in last year's nestlings, then it is best not to medicate for canker. Any medication will stop the paired bird shedding trichomonads and therefore interrupt the on-going exposure of the growing youngster to the organism. This leads to a lower natural immunity and may in fact create a vulnerability to the disease in the postweaning period.

In the stock loft that had no canker last season but to which new stock birds have been introduced

As discussed earlier, all birds carry in their systems the resident trichomonad strains of the loft and usually have a strong natural immunity to them. A newly introduced stock bird brings these strains with it. These strains may not have been encountered by your own birds and the new birds may not have encountered yours. Both lots of birds in time must, through exposure, become immune to the other strains. If introduced in the non-breeding time, when the stock birds are not under any stress, i.e. not moulting and in a good loft with plenty to eat, no clinical disease will be seen. However, with the stress of breeding, any immunity already developed will be put to the test. If immunity is not solid at the time of breeding, excessive trichomonads will be shed and the youngsters may develop canker. For this reason, new birds, especially if introduced immediately before pairing, should ideally be mated in individual runs and the youngsters monitored. If youngsters in the main loft begin appearing with canker, the loft should be managed as discussed under the section How to Manage an Outbreak of Canker During the Breeding Season.

Control at weaning

In lofts with a canker problem, all youngsters can be treated with Turbosole for 2 - 3 days at weaning, to avoid any check in their development through this stressful time. In the longer term, however, the important thing during this time is that only youngsters with the disease should be treated so as not to interfere with the developing natural immunity of the flock as a whole. Affected birds should be separated and treated with either one-quarter of a Flagyl tablet (200 mg) or one whole Spartrix tablet once daily until well. This usually takes 1 - 3 days. Alternatively, the unwell youngsters' water can be medicated with Turbosole (1/2 teaspoon to 1 litre of water). It is important, however, to ensure that any unwell youngster is still able to drink. Turbosole can also be mixed into a paste and the youngster's throat painted with this using a cotton bud. The group of youngsters, as a whole, should only be treated if more than 10% of youngsters are showing signs, usually with Turbosole for 2 - 3 days. However, in this situation it is best to seek veterinary advice.

Control during the race season

If canker was a problem during the breeding season, this tells us that the birds have the potential to have trichomonad flare-ups in response to stress and that canker is likely to be a problem during racing. However, through good management and the correct use of medication, it is hoped, however, that most birds have developed a reasonably strong natural immunity by the start of the race season. The stress of racing will put any immunity that the birds have formed to the test. Depending on what stresses the birds are under, trichomonad levels will rise and fall. When high, they have a typical parasitic effect, weakening the bird, in the process creating a vulnerability to secondary infection (particularly respiratory infection) and compromising race performance. They also produce a toxin that makes the birds feel unwell. Birds with elevated trichomonad levels are said to have 'wet canker'. Signs of infection can be subtle and quite varied. Typical signs that would alert the fancier to its possible presence include:

1. 'Penguin' posture - Associated with proventricular (glandular stomach) and crop pain. Birds will lean back on their tails and gulp. Noticed particularly after eating and drinking.

2. 'Dry feather' - Due to lack of down feather drop and bloom production.

3. 'Leady' feel - Affected birds will not come into condition and feel heavy in the hand.

4. Wet dropping - Inflammation in the digestive tract creates a thirst, leading to elevated water intake and urine production. This produces a clear watery rim around the dropping.

5. Green droppings - Due to digestive tract irritation and in some birds decreased food intake.

6. Inflammation in the throat - Tonsillitis and increased clear to grey bubbly mucus.

7. Interference with crop function - Delayed crop emptying and sometimes vomiting.

8. Increased food consumption by team as a whole

9. Dry yellow canker - In birds of any age, this tells you that many other birds have elevated trichomonad levels, which have not yet passed the threshold for yellow material to form.

10. Indirect signs - Poor loft flying, poor tossing, respiratory problems that respond poorly to medication or quickly relapse, a dramatic improvement in the birds' general vigour in response to anticanker medication are all suggestive.

Definitive diagnosis, however, depends on microscopic examination of a crop flush. Microscopic changes that are suggestive of the problem also develop in the dropping,. These changes are associated with the stress of the disease and include elevated E. coli and yeast levels. These changes, however, do not occur in all birds.

Race lofts are divided into one of two groups for the purposes of canker management:
1. Those without resident wet canker strains.
Since the rapid spread of wet canker strains through the racing pigeon fraternity since the early 1990's, not many lofts now fit into this category. In these lofts, canker is unlikely to be a problem during breeding and crop flushes done on members of the race team will be repeatedly negative. Here, an effort is made to prevent the introduction of these strains with returning race birds. In races where the birds are provided with drinkers, returning race birds are medicated with Turbosole (1/2 teaspoon to 1 litre of water) for 24 hours upon return. Often the single big drink that returning race birds have, although not sufficient to treat an active infection, will clear the trichomonads picked up from a recent exposure.

2. Those lofts with resident wet canker strains.
In these lofts, canker is likely, but not always, to be a problem during breeding, and crop flushes done on individual race birds, particularly following stress, will contain large numbers of trichomonads. Here, attention focuses not on treating returning birds, because the strains are already in the loft, but on keeping the numbers of trichomonads low so that they cannot affect race form. This is achieved by giving periodic 2-day courses of Turbosole. The length and frequency of each treatment is variable from one loft to the next, being affected by a number of factors intrinsic to that loft. In most lofts, however, 1 - 2 days every 1 - 3 weeks will keep trichomonad levels low. In the absence of testing, treatment 2 days every third week is advised. This is usually given on the Monday and Tuesday. Preferably, however, the use of Turbosole within a loft is based on the results of testing birds from that loft. If trichomonads are detected in a crop flush, an initial 2-day course of Turbosole is given. Follow-up crop flushes are then done every few days so that the exact time that trichomonads start to reappear is detected. Once this interval is known for that loft, then, given a constant set of loft parameters, the trichomonads will repeatedly and predictably reappear at this time. Follow-up 2-day Turbosole treatments at this interval will ensure the trichomonad levels are always low and therefore not given a chance to affect race form. The main loft parameters are the genetic make-up of the birds, the strain(s) of trichomonad present, the loft environment and the management practices. If these change, the use of Turbosole may also need to change, e.g. increased tossing combined with cold weather may stress birds, leading to premature trichomonad flare-ups and a shortening of the treatment interval for one or two treatments. Generally, however, as the season progresses, the need for medication declines as the birds get older, both their level of fitness and natural immunity rise and, in particular, in Victoria, as the weather becomes warmer.

Other sites of canker

As fanciers would be aware, most canker lesions are found in the bird's throat and are often associated with their tonsils here. However, canker can affect a variety of other sites.

Navel canker

If pigeon milk is spilt into the nest bowl and this, in turn, contaminates a nestling's navel that has not fully healed, a canker nodule can develop on the navel. Treat the nestling with the correct dose of Spartrix daily (usually 1 - 4 days). Antiseptics (such as Betadine) can be applied to the navel daily until the area has dried. After several days, the nodule can be 'popped' like a scab and separated from underlying healthy tissue. The condition must be caught early for treatment to be successful and for the youngster to be of value racing. The condition is more likely to occur when nest conditions are poor, leading to delayed navel healing, and is therefore often associated with 'wet nests' and with inappropriate nesting material. The condition is also more likely to occur if the parents are shedding large numbers of trichomonads. A suggested course of treatment is:
• Treat youngster and both parents daily with Spartrix
• Dab navel daily with Betadine
• Clean nest
• Treat parents for 'wet nest' if appropriate (PVM Powder and Probac)
• Improve nest conditions

Sour crop

In pigeons with sour crop, at least 90% have an internal canker nodule located at the base of the crop or within the glandular stomach (proventriculus). As the nodule increases in size, it squashes the windpipe making breathing difficult and blocking the crop outlet. This interferes with crop emptying, leading to bacterial infection of the crop and secondary starvation and dehydration due to the crop contents not being able to pass into the bird's system. Usually by the time the bird is noticed to be unwell, the condition has passed the point where it will respond to treatment. Deaths often occur due to the nodule growing through the stomach wall, leading to stomach contents leaking into the chest. Alternatively, the nodule can damage the heart or large blood vessels within the chest, causing sudden and severe bleeding. Such birds are often found dead on the floor with blood coming from the mouth. It is always worth attempting to treat valuable birds and I suggest :
• Manually empty the crop
• Give electrolytes in water
• Treat bird with 3 drops Baytril twice daily
• Treat bird with 1 tablet of Spartrix or a 1/4 Flagyl tablet or 0.5 ml Flagyl syrup once daily
• Separate unwell bird from loft mates

Cloacal canker

The cloaca is the pigeon's bottom. Within its wall is a gland called the Bursa of Fabricius. This gland is an important part of the youngster's immune system. It shrivels up and disappears during puberty. If pigeon milk containing trichomonads contaminates the nest bowl, the trichomonads can cause a trichomonad nodule to develop in the cloaca. Affected birds are usually noticed to be a bit quiet or their growth is slightly retarded compared to others of their age. On examination of the cloaca, a firm lump can be felt in the skin above it. Sometimes these lumps do not become apparent until the postweaning period. Affected birds should be treated daily with either Spartrix or Flagyl, usually for 3 - 4 days, by which time the nodule has usually localized and can be expressed by gentle but firm pressure through the cloaca.

Canker nodule in throat or crop

Older youngsters or mature stock birds with a reasonably strong natural immunity will often try and localize a canker infection, leading to nodule formation. If in the throat, these nodules can usually be seen or if in the crop wall can usually be felt as firm mobile lumps ranging in size from 0.5 cm to 4 cm in diameter. Affected birds are treated daily with Spartrix or Flagyl tablets. Once localized (usually 1 - 4 days), throat lesions can usually be teased free with a cotton bud or crop lesions pinched free into the crop. Occasionally, surgical removal is necessary. Premature attempts at removal usually result in excessive bleeding.

Internal canker

Canker can infect internal sites associated with the digestive tract, notably the bile duct, which drains bile from the liver into the bowel. Birds with internal canker nodules usually display non-specific signs of illness, including weight loss, lethargy, reluctance to eat and green diarrhoea. The final diagnosis is often made at autopsy. In lofts with a canker problem, it is usually best to include a daily Spartrix or Flagyl tablet in the treatment regime of an unwell bird in case this is the problem.

Sinus canker

Sometimes canker organisms can invade the sinuses through the slot in the roof of the mouth and form a canker nodule here. The birds present with a firm swelling across the forehead between the base of the cere and the eyes. Anticanker medication is given for 4 - 5 days to kill the active infection. After this, lancing the area by making an incision in the skin over the most prominent area of the nodule enables the canker nodule to be expressed. Once the nodule is removed, it is best to continue with anticanker medication for several days. Healing is usually uneventful.

Other sites

It is important not to confuse infection in other parts of the body with canker. Trichomonads, partially because of their fragility, can only infect the digestive tract and associated structures. Pigeons are very restricted in their response to infection. Their white blood cells lack many of the enzymes (called lysosomes) that are normally found in mammals and therefore cannot produce pus. For this reason, no matter where the site of infection, the resultant reaction often looks like a canker infection. Bacterial (or other) infections of the skin, feet and eye, etc. for this reason are often confused with canker because of their appearance.

Medications Available

Any one of a group of medications called nitro imidazoles are effective against trichomonads. There are four commonly in use:

1. Dimetradazole - The common brand name here is Emtryl, available as a water-soluble powder. Dimetradazole was the first nitro imidazole available and is still an effective drug, although trichomonad resistance to it in some areas is a problem because it has been used for the longest. It must be used with care as it has a narrow safety margin. Overdose leads to a reversible loss of balance and coordination and, in high doses, death. The medication can interfere with sperm production in cocks, leading to a temporary infertility, and so is not recommended for use during breeding. The usual dose is 1 teaspoon (3 grams) to 4½ - 8 litres of water. Lower dose rates should be used in stock birds feeding youngsters and during hot weather when water intake increases and evaporation occurs from drinkers, increasing the concentration of the medication.

2. Carnadazole - The common brand name here is Spartrix. It is only available in tablet form. It has a wide safety margin and is very useful for individual bird dosing, particularly youngsters in the nest. The dose is one 10-mg tablet daily.

3. Metronidazole - The common brand name is Flagyl. This is available as a water-soluble syrup and as tablets in a variety of strengths. It is very economical, with the tablets being useful to dose individual birds. Individual birds are given ¼ of a 200-mg Flagyl tablet once daily. Flagyl syrup is water soluble and is given at the dose of 5 - 10 ml per litre but is very sugary and not very palatable to the birds.

4. Ronidazole - This is available as a water-soluble powder under a number of brand names world-wide, including Ridsol-S, Turbosole, Tricho-Plus and Ronivet. The usual strength used is 10%. The dose at this strength is ½ teaspoon per litre. Weaker preparations are available but the birds need to be treated longer with these. The drug is very bitter so preparations stronger than 10% tend to be unpalatable to the birds. It has a very wide safety margin and is safe to use during breeding, racing and moulting. World-wide, ronidazole is the current medication of choice to treat canker. However, in some countries it is not available for use in pigeons, authorities being concerned that resistant organisms may develop. As the drug is used in food-producing animals such as pigs, its use is reserved for these.

In any canker-control program, it is often best to rotate between at least two of these medications in order to decrease the chance of a resistant trichomonad strain developing. Currently, ronidazole-based preparations are used as the primary treatment because of their effectiveness and wide safety margin, but it is a good idea to swap to one of the other available drugs every third or fourth treatment.
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There are many parasites that infect pigeons and I feel that it is beyond the scope of this book to discuss all of them in detail. The most important and most commonly encountered parasites are roundworm, hairworm, tapeworm, the external parasites, lice and mites and Coccidia.


Worms are a primary and serious parasite and it is important that they are completely eradicated for the birds to perform at their best. They weaken the bird, meaning that race performance cannot be optimal, and also increase vulnerability to other secondary diseases, such as canker and respiratory infection. There are three common intestinal worms - roundworm, hairworm and tapeworm.

Roundworm and hairworm

These worms live in the digestive tract of the pigeon and release eggs, which are passed with the bird's droppings. After several days in the environment, these eggs become infective and, if then accidentally ingested by a pigeon, hatch inside them and grow into the new worm. In the loft, there is no easy way for the fancier to tell whether his birds have these parasites as the adult worms are only rarely passed in the droppings and indeed hairworms are microscopic. They are usually diagnosed by microscopic examination of a dropping sample, in which their eggs can be seen.


I recommend Moxidectin to treat hairworm and roundworm. Moxidectin (2 mg/ml) is a clear fully water-soluble liquid that, when diluted in the drinking water, is readily taken by the birds. The dose is 5 ml per 1 litre of water for 24 hours. It has a wide safety margin and is perfectly safe to use during racing, breeding and, in particular, moulting. Moxidectin does not cause nausea and vomiting as many older worming preparations do and so the birds can be fed and loft flown quite normally. Moxidectin also has the added advantage that it eliminates any external parasites that feed off body fluid. Mites in pigeons live off blood and so these are all cleared with Moxidectin. Lice live off feather debris and bloom and so in theory this drug should have no effect on them but in practice, during the 3 weeks following Moxidectin treatment, most lice also disappear. Moxidectin is also a safe and effective treatment for airsac mites at the usual dose given above.

Control in the stock loft

The stock loft should be completely free of worms. The roundworm life cycle can be completed in 3 - 4 weeks and so a single worming before breeding (or racing) will improve things for that period of time only. Eradication can be achieved by using Moxidectin twice at a 3-week interval followed by a superthorough clean after each treatment. This removes droppings passed before medication, which may contain infective parasite eggs with the potential to reinfect the birds. It is a good idea to have the droppings rechecked 3 weeks after the second worming to ensure that the parasite has been cleared. Once these parasites have been cleared, worming any new bird before it goes into the stock loft should prevent reintroduction of worms. The dose of Moxidectin for a single bird is 0.25 ml of the neat liquid. If it is not possible to completely and thoroughly clean the loft, Moxidectin can be repeated every 3 weeks over a 6-month period as the longest that eggs can remain infective in the environment is 5 - 6 months. Worms can also reenter the stock loft if the droppings of pigeons or doves outside the loft can enter. To prevent this, any external flight should either have a grid or suspended floor.

Control in the racing loft

It is important that the race team is free of worms before racing. The need to treat can be determined by a dropping analysis. In the absence of testing, it is better to assume that the birds are infected and treat twice at a 3-week interval followed by a thorough clean before the commencement of racing. With the commencement of Thursday night basketing, race unit reinfection can occur and so it is important that the droppings are regularly checked during racing to monitor this. If a positive result is returned, worming is usually done on the Sunday or Monday (when racing is on the Saturday). In the absence of testing, it is a good idea to give the birds 1 day Moxidectin every fourth week (usually on a Monday) to clear any roundworms or hairworms that might have been picked up in addition to any lice or mites that they might be carrying.
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Tapeworms also live in the pigeon's digestive tract. They have a head or scolex, which is embedded deeply into the lining of the pigeon's bowel. Behind this head mature segments, called proglottids, which are essentially packets of eggs. New segments are continuously forming behind the head, pushing maturing segments further and further away until eventually ribbons of segments trail behind the head down the bowel, with the most mature ones at the end. When fully mature, these egg packets snap free either singly or several at a time in ribbons before passing down the bowel and out with the droppings. The fancier will notice either a segmented white ribbon hanging from the pigeon's cloaca or, alternatively, as the segments are motile when passed, he may see small white segments wriggling within the droppings shortly after being passed or air-dried segments stuck to the surrounding perch. Tapeworms are therefore not a microscopic diagnosis because these segments can be seen with the naked eye. Different types of tapeworm vary in size. The small ones look like white pieces of cotton trailing through the dropping, larger ones look like pieces of rice stuck on the surface of the droppings, while the largest ones appear as whitish squares up to 0.5 cm x 0.5 cm. Once in the environment, the eggs inside these segments are ingested by insects. These eggs hatch into infective larvae in the insects. Pigeons become infected by eating these insects.


For tapeworm eradication, I recommend Moxidectin Plus Solution. This is a new preparation that has many advantages over previously available treatments. It is fully water-soluble, meaning that birds do not have to be picked up individually and given tablets. It only needs to be made available for 24 hours, unlike other water-soluble preparations. It can also safely be given during racing, breeding, and, in particular, moulting. There is no need to remove food and the birds behave quite normally so that feeding and loft training can continue uninterrupted. It is also very cheap, costing less than 4 cents to treat each bird. The dose is 5 ml to 1 litre of water. It's active constituent is praziquantel. Praziquantel tablets (Droncit) are also available for those fliers preferring to give tablets to individual birds.

A tapeworm's life cycle can be completed as quickly as 21 days. This means that if a pigeon swallows an insect the day after worming, within 21 days it will have tapeworms again. It is therefore important to minimize the birds' exposure to insects. However, in the warmer northern areas of Australia where tapeworms are common, Prazivet can be given for 1 day every 3 - 4 weeks. Weevils are one of the insects that can carry tapeworm and so seed that either has or has had weevils in it (look for the little bored holes) must be avoided. Within the loft, slaters are the most common insect carrying tapeworm. When disturbed, slaters roll themselves into balls, which I think pigeons mistake for peas, because these balls are a similar size and colour. To prevent reinfection, it is therefore best to spray out the loft with Permethrin Solution simultaneously with a Prazivet treatment. Permethrin has a residual effect for 4 months.
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Lice and mites

The two most common external parasites of pigeons are lice and mites. Lice live their entire life cycle on the bird, dying quickly once they are off the bird. They live off feather debris and bloom. Mites drink blood and other body fluids and not only live on the pigeon but also live in cracks and crevices throughout the loft. Not all mites that infect the pigeon are on the bird at any one time. Many live in the loft environment, hiding in cracks and crevices, and, in particular during the breeding season, below nest bowls and within nesting material, only moving onto the birds and nestlings at night to feed.


Permethrin is a synthetic pyrethroid used to treat lice and mites. Pyrethroids are plant-origin insecticides, which are very effective but very safe for use in pigeons. Permethrin Solution is used in the following three situations:

1. To dip birds to eradicate lice - Fill a bucket, diluting 10 ml Permethrin to 1 litre of water. Use warm water and treat the birds in the morning of a warm day. Add half a teaspoon of soap flakes to act as a wetting agent. Immerse birds up to their neck, fanning their wings and tail through the solution. Momentarily dip their heads below the surface. Addition of the wetting agent enables complete penetration by the Permethrin. The birds look normal 2 hours after dipping. Permethrin does not remove the birds' bloom and has a residual effect for up to 4 months.

2.To spray the loft - This is done in conjunction with Prazivet treatment to kill any insects in the loft that might be carrying any tapeworm and also to eradicate mites in conjunction with a Moxidectin treatment. It is also done before breeding to eliminate mosquitoes, flies and, in particular, red mite. Birds are removed from the section, which is then scraped clean. Permethrin is diluted 10 ml to 1 litre and sprayed onto the clean scraped surfaces and into any nooks and crannies. The loft will dry in 1 - 2 hours and the birds allowed to re-enter.

3. To treat individual birds - It is a good idea to have some diluted Permethrin mixed and ready to use in a spray bottle. Any introduced birds can be quickly sprayed before being placed in the loft as can any late returning race birds. The usual dilution used is also 10 ml to 1 litre.
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Coccidia are fascinating organisms. They can infect not only pigeons, and in fact all birds, but also dogs, cats, sheep, pigs, cows and a range of other animals. They are, however, very species-specific so that it is only pigeon Coccidia that can infect pigeons and, for example, only sparrow Coccidia that infect sparrows. There are however, several types that can infect each animal. The most common Coccidia type in pigeons is called Eimeria spp.

Animals become infected by swallowing the organism's eggs. All Coccidia once swallowed replicate in the cells of the host, in the process causing extensive damage. In pigeons, this occurs in the lining of the bowel. After multiplying here, the newly produced eggs are passed in the droppings. When initially passed, the eggs (oocysts) are thin-shelled and contain a spherical body, which looks granular, called a sporoblast. The sporoblast is an amorphous blob of protoplasm. Once in the environment, the sporoblast within the bigger egg develops into several smaller eggs called sporocysts (there are four in Eimeria), which in turn each contain a number of structures called sporozoites (there are two in Eimeria). Once this has happened, the egg is said to be sporolated. It is not until this has happened that the egg is infective if swallowed. This process usually takes 4 - 5 days but depends on temperature and humidity. Once an infective (i.e. sporolated) egg is swallowed, the sporozoites hop out and burrow into the wall of the bowel. They at first multiply asexually in the bowel cells but then develop into the equivalent of male and female gametes, which then 'mate' to produce further eggs (oocysts), which rupture back through the bowel lining before being passed in the dropping, thus completing the life cycle.

The significance of Coccidia for us as pigeon racers is that as the Coccidia multiplies in the bowel lining, it damages it, interfering with it doing its job of digestion properly. This is complicated by the fact that each time an egg ruptures back into the bowel from the lining, it causes a microscopic 'pin prick', allowing the bird's blood, electrolytes and protein to be lost.

This weakens the birds and interferes with the absorption of vital nutrients. Severely affected birds develop greenish diarrhoea, are lethargic, thirsty and lose weight. Race birds with even the slightest infection are not able to give of their best.

In most lofts, a low level of infection is present and out of the racing season is regarded as normal, serving to maintain the flock's level of immunity. In two situations, the organism can increase in number and cause clinical problems:

1. As a primary disease, where there are flaws in loft management or design that lead to high exposure to the organism - The loft must be clean and dry. A build-up in the loft is prevented by regular cleaning with particular attention to the drinkers and hoppers. There is no place for wetness in a healthy loft; it not only enables the Coccidia egg to become infective more quickly, but promotes bacterial infection.

2. As a secondary disease, where other factors weaken the bird, enabling the Coccidia to increase in number and cause clinical disease - Such factors may be other concurrent disease, such as worms, or alternatively overcrowding, excessive tossing, poor nutrition, etc.


Coccidia should always be suspected where loose droppings appear, particularly in young birds or following wet periods or heavy training. Diagnosis is through faecal examination under a microscope. The best drug to use is Toltrazuril Coccidiocide Solution, which acts entirely within the bowel. It does not interfere with race form and can therefore be safely used during racing. It can also be used safely during breeding and moulting. The dose is 1 ml per 2 litres of water for 2 - 3 days. Avoid medicating if you believe your birds do not have coccidiosis.

Monitoring of coccidial counts by faecal examination (I suggest every 4 weeks) through the race season is a good indicator of the team's form. Birds with elevated counts will benefit from a course of Toltrazuril Coccidiocide Solution. In faecal samples from perfectly fit birds, no coccidial eggs are seen.

Other parasites

Other less common parasites that the fancier might encounter are pigeon flies, scaly leg mites and Hexamita.
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Have you ever seen a row of holes on a pigeon's flight feather? These are caused by a special type of fly called Pseudolynchia canariensis. The adults live on the body of the bird, scurrying between the feathers. They are blood suckers, with their bites causing pain, irritation and restlessness. They will insert their feeding tube into a blood-filled growing feather follicle to feed. As this feather unfurls, the tunnel created by the feeding tube unravels into a series of holes.

The flies lay their eggs on accumulated pigeon droppings and their maggots develop here. Fly numbers are highest during the warmer months when the birds are breeding when they can bite nestlings and breed in the droppings around nest bowls. Interestingly, the saliva of the adult flies gives the nestlings diarrhoea, which makes it easier for the maggots to survive.


On-going hygiene and efficient disposal of droppings (remembering that accumulated droppings below a grid floor or piled in the garden near the loft can serve as breeding grounds) will do much to control the problem. However if necessary, any flies on the birds can be killed by either spraying the birds with Permethrin or treating them with a 24-hour course of Moxidectin. Coupling this with spraying the loft with Permethrin, particularly before breeding, will solve the problem.
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Some mites, e.g. Cnemidocoptes mutans, will actually burrow into the skin of a pigeon's feet. They lay their eggs in the tunnels they create and leave little breathing tubes connected to the surface. This irritation causes the skin of the feet to become thickened and scaly. At any one time, the mites can also be found on other parts of the body, in particular on the wing butts, around the face and on the skin over the abdomen. Even though the mites are infectious only certain birds seem vulnerable so that not all birds in the team will be infected.


The best treatment is to give all birds a simultaneous 24-hour course of Moxidectin. It is important not to confuse scaly leg mite infestation with the thickened crusty growths that occur on the feet of some birds with age.
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Hexamita is an organism closely related to the organism that causes canker. It lives primarily in the bowel and in high numbers can cause diarrhoea. It is diagnosed by microscopic examination of a fresh faecal smear, in which it looks just like a canker organism but appears slightly more elongated and moves faster and more purposefully Well-cared-for, non-stressed pigeons can carry low-level infections asymptomatically. However, Hexamita should be totally eradicated in any racing pigeon loft to ensure that the birds give their best.


Any medication that kills canker also kills Hexamita. However, Hexamita needs to be treated for longer. Usually, a continuous 7-day course of a drug such as Turbosole is given simultaneously to all birds in the loft. The organism cannot survive in the environment and so reinfection from the loft is not a concern. Treating all birds simultaneously for 7 days therefore ensures eradication. It is always worthwhile doing a follow-up dropping test to ensure its removal.
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If you ask any experienced flier what health problem he fears the most, then if it is the breeding season he will probably say canker, but if it is the race season he will probably say respiratory infection. Respiratory diseases are very common in pigeons. They are the major cause of poor performance and pigeon loss during the race season. Young birds under stress are most at risk of contracting respiratory diseases, although healthy old birds can fall ill when exposed to respiratory diseases in the race basket. Race birds with respiratory infection can be difficult to detect and yet, like a human athlete with flu, cannot compete. When some fanciers talk about respiratory infection, they give the impression that they are discussing a single problem and, yet, several organisms can be involved and often simultaneously. Clinical respiratory infection in pigeons is the end result of the interplay of a number of factors but, in particular, the type of infective organism and the vulnerability of the birds to infection are important . The respiratory system can be infected by Chlamydia, Mycoplasma, bacteria (in particular E. coli), fungi, viruses and mites. The control of some of these starts, in certain lofts, not only before racing and not even during breeding, but right before the stock birds are paired.

Stress is always a big factor. The vulnerability of the pigeon is affected by what stress it is under. Stress weakens the bird, enabling infective organisms to cause clinical disease. The control of respiratory disease is therefore two-pronged.

1. Control of any predisposing stress factors - These can take the form of :
(a) Environmental triggers, e.g. dampness, overcrowding, low hygiene
(b) Management triggers, e.g. poor feeding, excessive tossing, or
(c) Concurrent disease, in particular parasitism. This includes wet canker. The combination of either worms or elevated trichomonad levels and respiratory disease is very common.
The fancier must establish a healthy loft environment, otherwise respiratory disease will continually recur, despite medication.

2. Correct use of appropriate drugs to either eradicate or keep the organism level low so that disease does not occur.

The organisms that infect the respiratory system and how they are controlled are set out below.
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Chlamydia is a microorganism that is found within the system of many pigeons all the time. There are many strains, which vary tremendously in their capacity to cause disease. Lofts tend to have resident strains to which those birds, often through their on-going exposure, have developed an immunity. In such lofts, it is only when the birds are stressed that the Chlamydia is able to flare up and cause disease. It is through contact with other birds (strays, in race units, new introductions) that new and potentially nastier strains gain entry to the loft. Control of Chlamydia is, therefore, double-barrelled and involves the control of stress to avoid resident Chlamydia strains flaring up together with the correct use of medication and the prevention of new chlamydial strains entering the loft.

Control of stress to avoid chlamydial strains, already in the loft, flaring up

A subsequent chapter deals with what constitutes stress and how to avoid it, but essentially this involves on-going good care with good management practices, a good loft environment and control of other diseases, notably the parasitic diseases. Any problem that weakens the birds makes them vulnerable to a chlamydial flare-up. Sometimes, however, despite the best possible care, because the strain of Chlamydia in the loft is virulent or the family of pigeons is particularly vulnerable (as with some European strains), it becomes necessary to medicate the birds through stressful times to prevent chlamydial flare-ups and the resultant clinical disease. The particular times when these flare-ups are more likely to occur are during breeding, after weaning and during the racing season.


Stress for a stock bird is breeding. Stressed stock birds will shed the organisms in their droppings, saliva and eggs. If the Chlamydia is in the egg, the developing embryo is weakened and can either die during incubation, during the hatching process or as a nestling or, if it survives, be a retarded youngster. In a nestbox heavily contaminated with Chlamydia, the developing youngsters become weakened and die. If these things have happened in earlier years, and breeding has commenced, it is too late to treat the stock birds. However, medication (usually doxycycline) can be given before mating to decrease the level of Chlamydia in the stock birds' system. This means that they will then require more stress before they start to shed the organism.

The length of treatment depends on the need, usually 7 - 30 days. If your loft has a history of chlamydial problems during breeding, a prebreeding doxycycline course is a good idea. Chlamydia can be completely cleared with a 30 - 45-day course of doxycycline. However, this is rarely done because the weaned youngsters will be exposed to the organism later in life and may in fact be more vulnerable to illness through this lack of exposure and the resultant low level of natural immunity. Doxycycline, like other antibiotics, causes disruption of the normal bowel bacteria, interfering with vitamin metabolism and calcium absorption. It is therefore important that preventative courses are completed several weeks before pairing and there is benefit in giving the birds probiotics, vitamins and calcium supplements following them.

After Weaning

The next vulnerable time is the postweaning period, when both weaning and moulting are the underlying stresses. In Victoria, Australia, January to May are the respiratory months. Most lofts contain large numbers of young birds having just had the stress of weaning and now having the stress of moulting, coupled with young bird tossing and racing. It is a time of high humidity and fluctuating temperature, conditions that favour respiratory disease. Between 1 December and 1 March (the usual time that the last youngsters are weaned in many lofts in Australia), fanciers must monitor the youngsters, in particular, for signs of 'one-eye cold', dirty wattles or sneezing. However, green watery droppings, failure to thrive, shortness of breath and a reluctance to fly may also be indicative of the problem.

Because of the disruption to normal bowel bacteria caused by the antibiotics, which can compromise feather quality and check development, and also because of the interference with development of a natural immunity, it is important that only the birds that need medication should receive it. If only a small number are affected, they may be treated individually with doxycycline (Vibravet 50 mg, 1/2 tablet once daily) or Baytril (3 drops twice daily). Once on medication, they stop shedding the organism and so there is no need to isolate them. If one bird has become unwell while the others are okay, it is often a reflection on its vigour. If such a bird fails to respond quickly or relapses, it is unlikely to go on and make a competitive race bird and is often best eliminated. If more than 5 - 10% of young birds are affected, with fresh cases daily, then all should be treated. Usually doxycycline 12% (½ teaspoon per litre for 3 - 5 days) is used. However, such a situation represents a major flaw in the birds' environment or management and the longer-term solution is not going to be drugs but identification and correction of the underlying cause. In young birds, this is often overcrowding. A faecal examination and a crop flush are a good idea to check for any concurrent disease in addition to reviewing other loft factors.

After 1 March in Australia, as the youngsters get older, fanciers look for signs of poor loft flying, excessive panting after training, and sneezing within the loft. Even in the most healthy lofts, there can be occasional outbreaks of respiratory diseases. It is important to recognize that more than three sneezes within 5 minutes is a significant indicator of early respiratory disease. One would expect two to three sneezing outbreaks between January and May, even in the best managed loft. If there is doubt as to whether a sneezing outbreak is due to chlamydial respiratory infection, a test called a chlamydial test can be done on the blood by an avian veterinarian. Medication is used during this time as it is from 1 December to 1 March. However, provided the birds are well, medication is best avoided. With on-going good care, the birds are likely to fix themselves and the level of natural immunity they form as a result will be much higher.
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During The Racing Season

Exposure to new strains of respiratory infection

All lofts are continually being exposed to respiratory infection through the race unit. In the race unit, many different birds from many different lofts mix intimately in a warm humid environment, which is ideal for the transfer of disease. In addition, the confinement, different feeding patterns and time away from the loft stress the birds. As a result, the Chlamydia levels can rise to the point where form is affected.

If respiratory symptoms are noted, all birds are treated with antibiotics (eg Doxy-T, Resfite) for 3 - 5 days. It is important to treat these outbreaks early before they change into the serious form of respiratory, which can involve, and permanently damage, the air sacs, thus seriously compromising race performance.

Stress-induced flare-ups of resident strains

As mature race birds, it is racing itself that provides the stress, testing the level of immunity formed by the birds. In a well managed loft where drugs have been used correctly, this immunity should be relatively solid by the start of the season. Racing puts this immunity to the test. In race birds, signs of Chlamydia flare-ups are considerably more subtle. The birds are older, their natural immunity is higher and their response to disease is different. The signs observed have been modified by these factors. Birds with respiratory infection have lost their zest for life and this is reflected in their race results. However, many things can lead to disappointing results and, as antibiotics have the potential to make a race team worse, I, like most fanciers, have to be convinced that respiratory infection is present and that their use is warranted. Birds that are reluctant to fly, quiet in the loft and with dry feathers (no bloom) are suggestive of respiratory infection. Sneezing (more than three times in 5 minutes from 100 birds), scratching at the nose, yawning, and wiping the nose on the wing butt all indicate irritation of the upper airways. On opening the beak, the tonsils may be inflamed, a thick white mucus may be extending into the throat from the windpipe or from the slit in the roof of the mouth, which may be closed due to swollen edges, the top of the windpipe may be red and inflamed, the beak at the nostril opening may be wet, the cere may be slightly discoloured or there may be a slightly mucous component to the birds' grunt while the gums or the muscles may be bluish. Chronically infected birds show delayed recovery after a race and will develop green droppings after stress because of damage to the liver. Testing of the droppings usually confirms the diagnosis.

If the loft has not had respiratory problems in previous years, I feel it is best to try and avoid antibiotic medication but monitor the birds closely and treat for 3 - 4 days if respiratory infection occurs. If respiratory infection during racing has been a problem in earlier years, preventative courses of antibiotics can be given before racing in the same way that they are given to stock birds to decrease the level of Chlamydia in the birds' system so that they are less likely to break down with the stress of racing ahead. Depending on the severity of the problem in earlier years, these courses are usually 7 - 20 days in length. In such lofts, follow-up periods of medication may be necessary during the season, and a common recommendation is 3 days treatment every third week, with Monday, Tuesday and Wednesday usually being the days to treat such a resident problem. After antibiotic use during racing, the birds should always be given a day on either probiotics or multivitamins.

Prevention of new chlamydial strains entering the loft

New strains enter the loft through exposure to other birds. Stray youngsters and youngsters bought at squeaker sales are always high risk because, due to their age and the stress they are under, they are likely to be shedding chlamydial organisms they are carrying. Strays should be removed immediately and birds introduced deliberately only from reliable sources. By far the main means of exposure is through the race unit. One stray is one exposure. Ten birds going to a race and each sharing a drinker with ten other birds is 100 exposures (i.e. like getting 100 strays in one day). In some situations and, in particular within certain clubs and areas of Australia, it becomes necessary to medicate returning race birds to guard against infection picked up in the race unit.


It can be seen that the appropriate management regime for Chlamydia , including use of medications, varies from loft to loft depending on each loft's earlier problems and particular loft-based factors. An example is what I do with my own birds. My own loft is based on an established Australian long-distance strain. Chlamydia is not a big problem. I do not medicate my stock birds before pairing because I do not have chlamydial problems during breeding. If I did, however, I would treat for 7 - 21 days before mating as the need dictated. I get three to four youngsters per year with eye colds and these are individually treated with Baytril (3 drops twice daily). To date, these have responded promptly. My race loft is very enclosed, which gives me good control over the loft environment and enables me keep it as close to ideal as possible. Draughts, temperature extremes and high humidity can be avoided. I would like to think that I care for my birds well. Under my system of management during racing and with my loft environment, the resident chlamydial strains do not flare up during the race season and so I do not treat preventively before racing. I do, however, have intermittent flare-ups of wet canker and the birds are regularly checked and treated through racing for this. I feel that with inadequate control of this, because of the trichomonads parasitic, i.e. weakening, effect, it is likely that the Chlamydia would also become a problem. I check my birds droppings once or twice weekly and the birds are monitored closely for signs of respiratory infection. If a respiratory infection became established, the birds would be given a 3 - 5-day antibiotic course. My returning race birds are not treated for respiratory infection because, to date, this has not been a problem. However, if it was a problem, I would treat them.
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Mycoplasma is a problem of the race season. It is what is called a primary erosive disease. Many vets agree that Mycoplasma by themselves do not cause disease and, in fact, in experiments in which healthy pigeons have been deliberately infected, the birds have not become sick. However, the organisms do superficial injury to the lining of the respiratory system, enabling secondary organisms, notably Chlamydia, bacteria (such as E. coli) and fungi (such as Aspergillus), to become established. In this way, Mycoplasma, although not directly affecting health, has a big effect on race performance. Failure to control the problem in an affected team renders all attempts at success hopeless. Some Dutch vets state that as many as 90% of teams are affected and teams are presumed to be affected unless they have been recently treated. Pigeons harbouring Mycoplasma organisms cannot achieve superhealth and are prevented from achieving top racing results.

Mycoplasma are primary pathogens of the respiratory system and the signs displayed by the birds depend on the part of the respiratory system affected. In the throat, nose and windpipe, signs are similar to those described for Chlamydia earlier. However, Mycoplasma notably causes inflammatory changes in the top 20 - 30% of the windpipe, causing mucus to accumulate there and birds that have a broken grunt or sound mucousy in the upper airway always make me think of Mycoplasma. Where the airsacs are affected, the birds cannot properly breathe and so even moderate exercise is tiring and sometimes forces the birds to land on the nearest available surface, which may be a tree or building near the loft. Because of the difficulty in breathing, the gums and muscles can turn blue and because of the inability to exercise, muscle tone and race fitness cannot come. The airsacs regulate fluid within the body by controlling evaporation of moisture from their surfaces. When diseased, excessive moisture is lost and the birds, therefore, need to drink more even after moderate exercise, or run the risk of dehydration. Often, however, signs are very subtle and may simply be deteriorating performances.

Like Chlamydia, Mycoplasma are more likely to cause disease when the birds are stressed. Most lofts do have resident Mycoplasma strains and new Mycoplasma strains can enter the loft through contact with other birds. Mycoplasma is a difficult disease to diagnose in the live bird. Only certain labs culture Mycoplasma, which is an expensive procedure. Blood tests are used to diagnose the condition in chickens. There are changes at autopsy, both grossly and microscopically, that are suggestive. Changes are also found on faecal smears and crop flushes of affected birds, which are discussed in other sections of this book. A good response to a short treatment trial with Doxy-T (see Medication Guide) also supports the diagnosis


What should the fancier do if the problem is diagnosed?

• A health profile, i.e. examination of the saliva and droppings, to assess any concurrent disease that may need treatment and general on-going good care to ensure a good response to medication.

• A gradual return to exercise. Always with respiratory infection there is an extended convalescence of usually 1 - 3 weeks. The birds must be given time to recover their fitness once medication has cleared the infection. They should not be forced to fly around the loft and once it is apparent that their vigour for flying has returned, initially short tosses only should be given (less than 1/2 hour). Observe the birds closely for signs of breathlessness on landing from these tosses and only when they are handling these well should longer tosses be given. When managing tosses of 1 - 1 1/2 hours well, it is usually safe to resume racing. In well-managed lofts with no other health problems, response to treatment can, however, be dramatic and I have had an interesting experience where two flyers both diagnosed withMycoplasma in their teams succeeded in gaining 1st and 2nd Federation (3000 birds) in an all-day 500-mile race 3 weeks after treatment.

• Good food, good care and an appropriate multivitamin supplement speed recovery.

• Medication. The choice of drug is sometimes dependent on the involvement of secondary organisms such as Chlamydia and E. coli. Baytril can be used with care during racing. Other antibiotics such as doxycyline, Tiamulin or Tylan are effective. However, the current recommendation is that doxycycline and Tylan combined be given. An initial course of usually 5 - 10 days is given depending on the severity of the infection with several follow-up courses, usually 2 - 3 days every 2 - 3 weeks until one is sure that the birds are well. The usual preparation used in Australia is Doxy-T which contains doxycycline and Tylan.

In some Federations in Australia, there is significant risk of picking up nasty Mycoplasmastrains in the race basket. In these areas and Federations, antibiotic combination medication is given throughout the season to control the problem, usually for 2 - 3 days every 2 - 3 weeks depending on the severity of the problem and the control achieved.

You can buy The Mans Winning pigeons BUT not the Man that flys them!!

Trevor Hodges
Joined: 5 years ago
Posts: 10963

Some more very useful and interesting information there Stu, thanks for sharing.
It's good to see that this guy doesn't advocate the use of medicines Willy-nilly, only if infection is present. Good management promotes a good natural and strong immune system, far more important and much cheaper than just chucking meds down their throats.

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Topic starter  

One of the books you must have on your Christmas list!!
That's if you can get hold of a copy.

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You can buy The Mans Winning pigeons BUT not the Man that flys them!!