VMD-0038
QUESTION
Swayback in sheep due to deficiency of?
OPTIONS
(A) Co
(B) Cu
(C) Fe
(D) Zn
ANSWER
(B) Cu
EXPLANATION
Swayback, or enzootic ataxia, in lambs is caused by copper deficiency, particularly when deficiency affects fetal or neonatal nervous-system development. Cobalt, iron, and zinc deficiencies cause other nutritional disorders but are not the classic cause of swayback.
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