VMD-0070
QUESTION
The incidence of milk fever?
OPTIONS
(A) Increases with parity
(B) Decreases with parity
(C) May increase or decreases with parity
(D) Not related to parity
ANSWER
(A) Increases with parity
EXPLANATION
Milk fever becomes more common with increasing parity because older, high-producing cows have a slower calcium-mobilization response and greater lactational calcium demand. Therefore incidence generally rises as cows age and complete more lactations rather than decreasing or remaining unrelated to parity.
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