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Avian Trichomoniasis

Gastrointestinal parasites can cause many problems in a bird's stomach and intestines, but also affects the normal functions of other organs. One such gastrointestinal parasitic infection is trichomoniasis.

Trichomoniasis, also called canker or frounce, is an infection caused by Trichomonas gallinae, a protozoa (or single-celled microbes). It generally affects wild birds, and is occasionally seen in pet birds, mainly budgerigars.

Symptoms and Types

The usual signs of trichomoniasis include pale yellow or whitish-yellow lesions (like cheese or curd) in the lining of the mouth, throat, crop, and esophagus. Other symptoms commonly displayed are increased saliva production and throwing up undigested food (regurgitation).

Causes

In birds, trichomoniasis is usually spread through direct contact with infected animals -- often by an infected bird feeding its young. The parasite is also acquired when birds consume contaminated food or water.