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Basic Methods and Procedures for Diagnosing Chicken Diseases: Laboratory Pathological Diagnosis

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Take the typical tissues and organs of a dead chicken, cut them into pieces 1.5-3mm x 5mm in size, soak the tissues in 10% formalin solution or 95% alcohol for fixation, then section and stain the fixed tissue samples, and examine the pathological changes under a microscope. In poultry disease diagnosis, histopathological examination is used for: Marek's disease of chickens and avian leukosis to examine tumors; infectious laryngotracheitis of chickens, inclusion body hepatitis of chickens, fowl pox, etc. to examine inclusion bodies; avian encephalomyelitis, Marek's disease of chickens, etc. to examine brain and spinal cord lesions. The histopathology of certain infectious diseases in chickens has relatively characteristic changes

Take the typical tissues and organs of a dead chicken, cut them into pieces 1.5-3mm x 5mm in size, soak the tissues in 10% formalin solution or 95% alcohol for fixation, then section and stain the fixed tissue samples, and examine the pathological changes under a microscope. In poultry disease diagnosis, histopathological examination is used for: Marek's disease of chickens and avian leukosis to examine tumors; infectious laryngotracheitis of chickens, inclusion body hepatitis of chickens, fowl pox, etc. to examine inclusion bodies; avian encephalomyelitis, Marek's disease of chickens, etc. to examine brain and spinal cord lesions. The histopathology of certain infectious diseases in chickens has relatively characteristic changes, which help in making a final diagnosis of the disease.

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