ANN-0023
QUESTION
Following mineral element is essential for wool growth in sheep?
OPTIONS
(A) Calcium
(B) Phosphorus
(C) Manganese
(D) Sulphur
ANSWER
(D) Sulphur
EXPLANATION
Sulphur is important for wool growth because it is incorporated into sulphur-containing amino acids, particularly cystine, which are abundant in keratin of wool. Calcium and phosphorus are principally associated with skeletal mineralization, while manganese has other enzyme and reproductive functions.
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