Genetic association between body energy measured throughout lactation and fertility in dairy cattle.

作者: G. Banos , M.P. Coffey

DOI: 10.1017/S1751731109991182

关键词: Animal scienceDairy cattleLactationFertilityBiologyHeritabilityGenetic correlationInternal medicineEndocrinologyEnergy balanceGenetic modelIce calving

摘要: … throughout lactation with a cow’s fertility. Nine direct and indirect body energy traits were defined at different stages of lactation… score (BCS) calculated between lactation days 4 and 311. …

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