季节因素对种公牛血清维生素与生殖激素的影响
HEILONGJIANG ANIMAL SCIENCE AND VETERINARY MEDICINE（2004）
Abstract
选择荷斯坦种公牛、利木赞种公牛和夏洛来种公牛各5头作为试验牛,研究不同季节对其血清维生素及生殖激素的影响.结果表明:夏季热应激期种公牛血清维生素C、维生素E均处于最低水平,分别为12.3和9.03 μg/mL;血清睾酮、LH的含量分别为3.90和47.11 pg/mL,极显著低于春季、秋季和冬季(P<0.01).
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