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National Agricultural Library
U.S. Department of Agriculture
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  4. EFFECT OF DISEASES IN PREWEANED DAIRY CALVES ON REPRODUCTIVE PERFORMANCE, CULLING, AND MILK PRODUCTION

EFFECT OF DISEASES IN PREWEANED DAIRY CALVES ON REPRODUCTIVE PERFORMANCE, CULLING, AND MILK PRODUCTION

Objective

The objectives of the study are (1) determine the consequences of the most common diseases of the preweaning period of dairy heifers on reproductive performance, culling, and milk production during the first lactation; (2) determine the main variables to be taken into account in a culling strategy for dairy heifers; (3) build an economic model to enhance culling decision-making of dairy heifers at the weaning time.

Investigators
Silva, Th, Vi.
Institution
North Carolina State University
Start date
2020
End date
2021
Funding Source
Nat'l. Inst. of Food and Agriculture
Project number
NCV-VMAH-0162
Accession number
1024483
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