在人工饲养条件下如果淡水鱼不排卵可将同种性成熟的垂体提取液注射到雌鱼体内促进其排卵这一方法主要是利用了垂体细胞合成的a.甲状腺素b.雌 Template




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tomski在人工饲养条件下如果淡水鱼不排卵可将同种性成熟的垂体提取液注射到雌鱼体内促进其排卵这一方法主要是利用了垂体细胞合成的a.甲状腺素b.雌 coloring