Abstract
The objectives were to investigate the effects of a lucerne feeding strategy to postpartum transition dairy cows on feed intake and ketone body profiles in plasma, urine, and milk. At calving, 13 Holstein cows were assigned to one of two treatments: a control lactation diet or a lucerne haylage lactation diet (lucerne) in the first week postpartum. From week 2 to 4 postpartum, all cows were fed the control lactation diet. In the first week postpartum, dry matter intake (DMI) was unaffected by treatment, but during week 2–4 postpartum, DMI was lower for lucerne as compared with control. The concentrations of ketone bodies in plasma, urine, and milk tended to be greater at 4 days in milk for lucerne as compared with control. Plasma concentrations of ketone bodies correlated stronger to urinary concentrations than to milk concentrations.
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Schedule a callMore From: Acta Agriculturae Scandinavica, Section A — Animal Science
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