ANN-0073
QUESTION
Encephalomalacia in chick is caused by?
OPTIONS
(A) Vit. E deficiency
(B) Avian encephalomyelitis virus
(C) Vit. B1 Deficiency
(D) All of these
ANSWER
(A) Vit. E deficiency
EXPLANATION
Encephalomalacia in chicks is a classic manifestation of vitamin E deficiency, often related to inadequate antioxidant protection in nervous tissue. Avian encephalomyelitis is a viral disease and vitamin B1 deficiency causes different neurologic signs, so neither of those alternatives is the intended nutritional cause.
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