Article
Optimum body size of Holstein replacement heifers.
Journal of animal science - 1 Mar 1997
Hoffman P C
Abstract excerpt
Criteria that define optimum body size of replacement heifers are required by commercial dairy producers to evaluate replacement heifer management programs. Historically recommended body size criteria have been based on live BW measurements. Numerous research studies have observed a positive relationship between BW at first calving and first lactation milk yield, which has served as the impetus for using live BW...
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