
湘西黄牛发情周期与妊娠早期孕酮变化规律研究
李 雄,雷 虹,龙 云,李昊帮,李剑波,罗 希,李 晟,燕海峰,易康乐
湘西黄牛发情周期与妊娠早期孕酮变化规律研究
Progesterone Concentration Change of Xiangxi Cattle in the Estrous Cycle and Earlier Gestation
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