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What is an Ear Canker?
The term “ear canker” is a bit misleading because it has nothing to do with the protozoan parasite Trichomonas gallinae, the organism that causes canker. Ear infections in chickens are usually caused by a bacteria and presents as a swollen ear with a nasty cheese like substance inside, this is the bacterial infection. It can be hard to treat, the infection must first be removed with tweezers and swabs and then a course of antibiotics will be needed.