Inverse age resistance is seen in?

VPA-0114

QUESTION

Inverse age resistance is seen in?

OPTIONS

(A) Trypanosoma evansi
(B) Babesia bigemina
(C) Plasmodium vivax
(D) All of the above

ANSWER

(B) Babesia bigemina

EXPLANATION

Inverse age resistance is classically described in Babesia bigemina, where older cattle can be more susceptible to severe disease than young calves under certain epidemiological conditions. The other listed organisms are not the classic veterinary example of inverse age resistance.

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