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Dr. Rob is a world renowned avian veterinarian in Sydney, Australia. He was the veterinary consultant for the Northern Territory Nature and Conservation Commission for a scientific study of the disease status in the wild population of the endangered Gouldian Finches as it related to a "Recovery Plan".



Tailai O’Brien is a Parrot Behavior Consultant who has worked along side Dr. Marshall and has developed special regimes for successful bird training and behavioral development. Fill out her Questionnaire so that she may help you with your parrot’s bad behavior.

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In a 1995 study by P. J. Bell it was reported that non-gravid air-sac mite females will often crawl off the birds through the upper respiratory tract. They also found that the air sac mite will survive for a short time outside of the bird’s respiratory tract. For this reason, it has been recommended that the day following a treatment for air-sac mites, that you thoroughly clean the cage to rid it of insect life, not avian pathogens. This can be done by disassembling the cage and surrounding areas and thoroughly cleaning all surfaces. Or you might spray the cage and surrounding areas for any insect life that could be living in it’s cracks and crevices with a avian insect spray like AIL (Avian Insect Liquidator), Pestex or Control.


If the cause of the symptoms that you heard was only air-sac mites, the symptoms should disappear within 24-48 hours. If the symptoms persist after this time, then you should also suspect a secondary bacterial, fungal or protozoa infection and additional medications will be necessary. But rather than treat with 3 different medications without knowing which it might be, you should do further investigation to try and determine which type respiratory infection it might NOT be. Your best course of action would be to have an avian vet do throat culture testing to find out which organism is causing the infection. However if this is not possible, there are some infections that can be treated by you at home. CLICK HERE


Treating your birds every month with S76 or every 3 months with Scatt isn’t a “preventative” from them ever becoming infested with air-sac mites. Such treatments should only be done once you know that your birds have become infested. It is a method of controlling the population of adult air-sac mites so that they never reach numbers which have the potential of suffocating the bird when they are treated once you begin seeing the typical outward symptoms of an air-sac mite infestation (clicking or wheezing sounds, coughing, sneezing, open mouth breathing or excessive beak wiping). Air-sac mites live in a symbiotic relationship with most wild Gouldians, so it should be expected that the first wild caught Gouldians that were introduced into captivity were infected and once infected it is nearly impossible to ever eradicate them completely. Since Canaries are very susceptible to this mite too, perhaps the mites were transferred from the Gouldians. I do not know if it was common for Canaries to carry air-sac mites before they were kept in close quarters with Gouldian Finches.


S76 will kill air sac mites which are internal and it will also kill external mites that merely live on the birds if you allow the birds to bathe in it. If the external mites are ones that will bite the bird and draw blood, then they will be killed during the time that you are adding the S76 to the drinking water and it is in the bird’s bloodstream. Any external mites living or breeding in crevices off the birds will crawl back onto the birds once the S76 has dried as it does not have residual action like the avian insect spray Avian Insect Liquidator (AIL). S76 will kill some internal worms but you will have to use another worming medication like Worm Away or Worm-Out Gel to kill tape worms. You can use the wormers the next day after you treat with S76, but do not mix the 2 together in the same water.


Before you release your new pair of Gouldians into your existing flock you will need to complete the initial treatment for S76. This means that you need to treat them for 2 consecutive days each week for 3 consecutive weeks, and thereafter you need to treat the entire flock with S76 in their drinking water for 2 consecutive days each month. Since air-sac mites are endemic in the wild population of Gouldian Finches it should be assumed that all captive Gouldians are also infected since the original wild caught birds probably had air-sac mites. Once a bird is infected with air-sac mites, it is next to impossible to ever completely eradicate them. The nymph stage of this mite is laid in the posterior air-sac by the adult female and lives there in a dormant state for a long time. There is not a product on the market that will kill this stage of the mite living in this area of the bird. During times of stress (molting and breeding season) when the birds immune system is suppressed the nymphs will mature into adults and begin the cycle again. By treating with S76 every month you will keep the adult population of mites to a minimal number and thus prevent the symptoms that you mentioned from ever being exhibited. Keeping the adult population of mites in low numbers will also prevent suffocation of your birds from many dead mites when they are regularly treated.

There are other diseases that birds can carry that you should also be aware of before releasing your new birds into an existing flock situation. I always segregate new birds for a period of 2-3 months before allowing them direct contact with my flock. During this time the only treatment that they will receive is the S76 treatments for 3 weeks for air-sac mites, but I observe their droppings everyday because this is the best way, short of having culture testing of the droppings by an avian vet, to tell if there is anything else that the new birds should be treated for. When I am confident that the new birds are healthy, then I will release them into the flight cages with other birds.

But be aware that there are diseases that a bird can carry that will not be evident in the droppings and you will never know that they are present no matter how long the birds are kept in quarantine as you will not see any outward symptoms.  But once these diseases are transmitted to other birds, problems could develop. Such diseases would be Campylobacter and Cochlosoma that can be carried by Society Finches that will infect and kill baby Gouldian chicks, and Ornithosis that will cause breeding problems in your flock (dead in shell, infertility and a lack of a breeding response in some birds). Polyomavirus is another real concern that can be carried by finches that can infect and kill baby birds that come in contact with the carrier birds.