Article
Genome-wide association analysis of heifer livability and early first calving in Holstein cattle.
BMC genomics - 21 Oct 2023
Gao Yahui, Marceau Alexis, Iqbal Victoria, Torres-Vázquez Jose Antonio, Neupane Mahesh, Jiang Jicai, Liu George E, Ma Li
Abstract excerpt
BACKGROUND: The survival and fertility of heifers are critical factors for the success of dairy farms. The mortality of heifers poses a significant challenge to the management and profitability of the dairy industry. In dairy farming, achieving early first calving of heifers is also essential for optimal productivity and sustainability. Recently, Council on Dairy Cattle Breeding (CDCB) and USDA have developed new...
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