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Effect of energy intake and bST treatment on plasma hormones and metabolites in the dry non-pregnant adult cow






Journal of Dairy Science 75(Supplement 1): 235

Effect of energy intake and bST treatment on plasma hormones and metabolites in the dry non-pregnant adult cow

Four dry non-pregnant and rumen-fistulated Holstein cows were studied in a Latin-square design with 4 periods and 2 x 2 treatments: (1) energy intake: Low (L = 60% of maintenance energy requirement, MER) or High (H = 130% MER); and (2) bovine somatotropin (GH) treatment: Control (C) or 500 mg slow-release GH (Sometribove, Monsanto). The 4 experimental periods of 2 wk were separated by periods of 1 wk at 100% MER.

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Accession: 002355363



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