VPA-0109
QUESTION
One of the most pathogenic coccidian parasites of cattle is?
OPTIONS
(A) Eimeria cylindrica
(B) E. Zuernii
(C) E. alabamensis
(D) E. canadensis
ANSWER
(B) E. Zuernii
EXPLANATION
Eimeria zuernii is one of the most pathogenic coccidia of cattle and can cause severe clinical coccidiosis with diarrhea, dysentery, dehydration, and poor growth. The other listed Eimeria species are generally less important clinically in cattle.
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