Question of the Day
Friday February 26th, 2010A 5-year old lactating Holstein dairy cow is being evaluated for a 2-month history of watery diarrhea, weight loss, and decline in milk production.
On examination, the cow is bright, alert and responsive, but unthrifty and very thin, with a soft intermandibular swelling.
What is the most appropriate management of this herd?
A - Test herd, treat positive animals, add coccidiostat to ration
B - Test herd, treat positive animals, test and treat replacements
C - Test herd, cull positives, remove calves from dam at birth
D - Quarantine herd, treat until herd tests negative
E - Cull positives, ensure 4 L. colostrum uptake for calves
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