Association between the proportion of sampled transition cows with increased nonesterified fatty acids and β-hydroxybutyrate and disease incidence, pregnancy rate, and milk production at the herd level
作者： P.A. Ospina , D.V. Nydam , T. Stokol , T.R. Overton
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摘要: … cows per herd with increased prepartum nonesterified fatty acid (NEFA), postpartum β-… (DA) or clinical ketosis (CK), pregnancy rate (PR), and milk production. The objectives were to 1) …
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