当前位置: 首页 > 文章 > 酵母铬对热应激蛋用种公鸡精液品质的影响及作用机制研究 安徽农业科学 2007,35 (10) 2920-2921
Position: Home > Articles > Studies on Effect of Yeast Chrome on Sperm Quality of Breeder Cocks under Heat Stress and Its Action Mechanism Journal of Anhui Agricultural Sciences 2007,35 (10) 2920-2921

酵母铬对热应激蛋用种公鸡精液品质的影响及作用机制研究

作  者:
程玉芳
单  位:
河北北方学院
关键词:
酵母铬;种公鸡;热应激;精液品质;内分泌
摘  要:
选用72只35周龄罗曼种公鸡随机平均分成6组,对照组饲喂基础日粮,分别在基础日粮中添加0.2、0.4、0.6、0.8、1.0 mg/kg铬量的酵母铬,作为试验II、II、III、V、V组来探讨酵母铬对热应激蛋用种公鸡精液品质及内分泌机能的影响。结果表明:与对照组相比,日粮中添加0.4、0.6、0.8、1.0 mg/kg铬量的酵母铬均不同程度提高公鸡的精液量、精子活力和精子密度,降低公鸡精液的精子畸形率,而对精液的pH值影响不明显;试验各组公鸡血浆三碘甲腺原氨酸(T3)水平均有不同程度升高;皮质醇、甲状腺素(T4)水平降低。上述结果表明:在热应激条件下,日粮中添加一定量的酵母铬可有效缓解热应激,显著提高夏季蛋用种公鸡的繁殖性能并影响其内分泌机能。
译  名:
Studies on Effect of Yeast Chrome on Sperm Quality of Breeder Cocks under Heat Stress and Its Action Mechanism
作  者:
CHENG Yu-fang (North College of Hebei,Zhangjiakou,Hebei 075000)
关键词:
Yeast chrome;Breeder cocks;Heat stress;Sperm quality;Endocrine
摘  要:
72 Romn breeder cocks,35-week-old,were divided randomly into 6 groups.The control group was fed the basal diet,and the test groups were fed the diet supplemented with 0.2,0.4,0.6,0.8,1.0 mg/kg yeast chrome respectively.The results showed that,compared with control,the tested groups with adding 0.4,0.6,0.8,1.0 mg/kg yeast chrome increased the sperm quantity,sperm activity and sperm density to certain extent and decreased the sperm deformity rate,but had little effect on the pH of sperm..All the tested groups increased concentration of triiodothyronine(T3),decreased concentration of corticosterioid,thyroxine(T4) in cock plasma.It is concluded that the diet added with yeast chrome can effectively catabate the heat stress and rise significantly the reproduction performance and endocrine function of breeder cocks in summer.

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