Short-Day Conditions and Colostrum
So, here is the question: "I am thinking about housing my dry cows to take advantage of the fact that short-day [8hrs/day vs. long-day 16hrs/day] conditions for them should give me an increase in milk production. Will this change my colostrum?"
Fortunately Morin, D.E. and Others looked at this question Journal of the American Veterinary Medical Association (237:420-428) August 2010.
They found no relationship between photoperiod length and colostrum volume and antibody concentration. So the answer was simply, "No."
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