母畜妊娠的维持主要依靠(?)。A.促卵泡素B.促黄体素C.孕激素D.雌激素E.抑制素

作者: rantiku 人气: - 评论: 0
问题 母畜妊娠的维持主要依靠(?)。
选项 A.促卵泡素 B.促黄体素 C.孕激素 D.雌激素 E.抑制素
答案 C
解析

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