VMD-0165
QUESTION
Signs of inappetence, weakness, diarrhea, low egg production, emaciation along with enlarged bursa and/or liver in chicken aged 14-16 weeks commercial layers up to 2.0% population may lead to the suspicion of?
OPTIONS
(A) Ranikhet disease
(B) Marek’s disease
(C) Avian leukosis
(D) All of the above
ANSWER
(C) Avian leukosis
EXPLANATION
Avian leukosis commonly affects sexually mature or near-mature chickens and can cause inappetence, weakness, weight loss, reduced egg production, and enlargement of liver or bursa due to lymphoid tumors. Ranikhet disease and Marek’s disease have different typical age patterns and lesion distributions.
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