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Air sac mites, or Sternostoma tracheacolum, will get into the respiratory tract of birds (most often canaries and goldfinches, but can be seen in other birds like budgies and cockatiels). These mites can be located in the bird’s trachea, voice box, lungs and air sacs. All of the different stages of the mites can be located within the respiratory tissues.
Also known as Sternostoma tracheacolum, air sac mites are parasites that will infect birds by getting into their respiratory tract, leading to a variety of symptoms.
In mild cases, birds may not display any symptoms. In some, you may notice the following:
Should your bird have a more advanced case of air sac mites the following may be seen:
These symptoms will be more severe after participating in activity (for example, flying) and are usually worse in younger birds.
Another parasite that can infect the respiratory system of birds is the protozoan parasite Sarcocystis falcatula. This parasite is found in parrots, especially from Australia, Asia and Africa. The parasite will cause symptoms like lethargy, weakness, difficulty coordinating muscles, anemia and respiratory difficulty in the early stages of infection.
A bird can be infected with air sac mites when in close contact with another bird who is already infected with them. The air sac mites will be transmitted after coughing or sneezing releases a small amount of moisture with the mites into the air. Another method of transmission is through contaminated drinking water.
Air sac mites are hard to diagnose in a living bird. In some cases, the mites will be visible to the eye or can be seen by a microscope when the tissues are being examined after swabbing the bird’s trachea. Through transillumination of the trachea in a dark room, it may be possible to see the mites, which will look like dark spots that are the size of a pinhead. Using a small quantity of alcohol to wet the bird’s feathers over his trachea may help in being able to see the mites. It is important to note that just because the mites cannot be seen does not mean that they are not there. In some cases, diagnosis is made once the bird responds to treatment.
The symptoms that your bird experiences can point to other conditions, to include an upper respiratory infection caused by bacteria, poxvirus, Chlamydophila, Atoxoplasma, Trichomonas and Aspergillus.
Treatment is imperative for a bird that has air sac mites, as without it he will ultimately die; the mites will multiply which will block his air passages and lead to his suffocating. You will want to work closely with your veterinarian when it comes to treatment, as too little medication won’t effectively treat the condition and too much can lead to too many of the mites dying off at once, which can then lead to a blockage in the bird’s respiratory system.
Should there be a flock of birds, and one bird is infected with air sac mites, it is recommended that all be treated, as the others have likely been exposed to the mites.
Ivermectin in the United States and Ivomec in Europe are the most common medications to treat air sac mites and other medications are used in different parts of the world. The medications that are used for air sac mites are toxins and so you will want to be careful to not provide too much to your bird, as it can cause additional problems and possibly death.
While you and your veterinarian are treating your bird for air sac mites, you will want to sanitize his drinking containers every day so that he does not get re-infected. During treatment, try to keep your bird from expending too much energy. He should not fly until he has recovered. Keeping your bird’s environment at around 90 degrees will be helpful for his recovery. In addition, you will want to keep his perch low and ensure his environment is stress free.
Should you be giving your bird supplements, make sure to talk with your veterinarian about these to be sure that they will not cause interference with the drugs that are taking care of the air sac mites.
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My bird couldn't breath properly and very tired sitting alone in the cage. It is not opening it's eyes too. It couldn't drink or eat anything. What should I do?
Nov. 2, 2017
Lethargy and breathing difficulties are not specific symptoms with birds like finches; infections, parasites and other issues may all cause these symptoms. I would suspect an upper respiratory tract infection due to the eyes being closed, but I cannot say for sure without examining him. I would visit an Avian Veterinarian for an examination so that treatment can be directed. Regards Dr Callum Turner DVM
Nov. 2, 2017
Thank you so much Dr.Callum Turner. Now she is quite ok with her breathing. She opened her eyes and flew a little. Can you suggest any food for her at this stage? Coz she did not take anything since yesterday. She couldn't eat on her own too.
Nov. 3, 2017
Hello Doc my budgie is having respiratory problem and the only symptom is bobbing tail what should I do
Nov. 8, 2017
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My Black Capped Lory has excessive saliva, eyes lids stuck together when she wakes up in the morning (I have to spray her face with water so she can open them all the way), she eats twice as much as she used to, feather loss with hard yellow crust flaking off skin and has mild sore on sides of her beak. Vet gave me Baytril .17 2x a day due to e coli detected in eye culture but she is still the same. On a 2nd visit Vet took blood a sample and and says the numbers on her liver are high and gave me milk thistle to give her but he doesnt know why she is having the other symptoms. She sleeps at the bottom of cage at night , significantly less vocal and she shivers a lot. During the day she sometimes leans her beak on the side of the cage. I bought benebac plus and her eyes are improving. Sides of beak has cleared up and I dont see anymore yellow crust but she is still slowing losing feathers. I think she has a parasite so I ordered SCATLT. I hope it works. I was also considering giving her Ivermectin as well. Any advise?
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