Chickens: Chronic Respiratory Disease (CRD)

Chicken Respiratory Disease (CRD)

What is Chronic Respiratory Disease in Chickens? CRD is one of the most common causes of disease in backyard hens seen at the chicken vet. Classic Chronic respiratory disease (CRD) occurs when chickens and turkeys that are infected with Mycoplasma gallisepticum are stressed. The bacteria then causes Respiratory disease. Mycoplasma gallisepticum is contagious and can…

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