Article
Prediction of milk yields from serum beta-lactoglobulin concentrations in pregnant heifers.
Journal of dairy science - 1 Feb 1995
Mao F C, Bremel R D
Abstract excerpt
The serum concentration of beta-LG at wk 26 of pregnancy was determined in Holstein heifers of known genetic merit to evaluate use of a single blood sample as an index to predict their subsequent milk yield. Concentrations of beta-LG varied widely (16 to 1200 ng/ml) in the serum of the heifers at this stage of pregnancy. Subsequent measures of lactation performance showed that heifers with high beta-LG...
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