Effects of heat stress and β-carotene supplementation on postpartum reproductive performance in dairy cows

负责人：

Mongkol Techakumphu;;Prachin Virakul;;Ponter, Andrew

关键词：

Dairy cattle -- Reproduction Heat -- Physiological effect Beta carotene ???? -- ???????????? ???????? -- ??????????????????? ???????????

DOI：

doi:10.14457/cu.the.2010.887

摘要：

of ovarian activity and plasma non-esterified fatty acids (NEFA), insulin-like growth factor-1 (IGF-1) and cortisol concentrations in post partum first lact