[header] How to treat trichomiasis in doves [title] Look for cheesy-looking lesions in the mouth. [step] Open your dove's mouth and take a close look at the lesions. If you see white, yellow, or brown, and cheesy-looking growths in the mouth, your dove may have canker. 
The growths look like nodules or ulcers at the back of the throat. As a result, your dove may have difficulty swallowing food.