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首页> 外文期刊>British Poultry Science >Organic selenium enhances the antioxidative status and quality of cockerel semen under high ambient temperature
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Organic selenium enhances the antioxidative status and quality of cockerel semen under high ambient temperature

机译：高环境温度下有机硒可增强公鸡精液的抗氧化状态和质量

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The objective was to examine the effect of supplemental dietary organic selenium (Se) on improving semen quality and antioxidative status in male domestic fowls exposed to high ambient temperature. Thirty-six Egyptian local cross males, 42 weeks old, were housed individually in cages in an open-sided building under 16 h L:8 h D and were provided with commercial feed and water ad libitum. In the house average daily temperature ranged from 33 to 36 degrees C and relative humidity from 60 to 70%. Birds were divided into 4 experimental treatments (n=9) and were fed the basal diet supplemented with 0 (control), 0-1, 0-2 or 0-3 mg organic Se/kg in the form of a yeast source (Sel-PlexReg.) for 8 weeks. Under heat stress conditions, inclusion of organic Se in the cockerel diets enhanced the semen quality traits, including the sperm count and motility and reduced the percentage of dead sperms in a dose-dependent manner. In seminal plasma, organic Se supplementation ameliorated some of the adverse effects of heat stress on lipid peroxidation and antioxidative properties. The inclusion of organic Se (0-3 mg/kg) in the cockerel diets doubled seminal plasma glutathione peroxidase (GSH-Px) activity, compared to controls and reduced lipid peroxidation. In conclusion, supplemental dietary organic Se improved semen quality characteristics when cockerels were subjected to heat stress. It increased both sperm count and motility, reduced the percentage of dead sperm and enhanced the antioxidative status of seminal plasma.
机译：目的是研究补充饮食有机硒对改善暴露于高环境温度的雄性家禽精液质量和抗氧化状态的影响。将42周大的三十六名埃及当地杂交公牛分别饲养在开放时间为16小时L：8 h的开放式建筑物中的笼子中，并提供商业饲料和自由饮水。在房屋中，日平均温度为33至36摄氏度，相对湿度为60至70％。将鸟类分为4种实验处理方法（n = 9），并在基础饲料中补充0（对照），0-1、0-2或0-3 mg有机硒/ kg的基础饮食。形式的酵母来源（Sel-PlexReg。），持续8周。在热应激条件下，公鸡饮食中包含有机硒会增强精液质量特征，包括精子数量和活力，并以剂量​​依赖性方式减少精子死亡的百分比。在精浆中，有机硒补充改善了热应激对脂质过氧化和抗氧化特性的某些不利影响。与对照组相比，公鸡饮食中包含有机硒（0-3 mg / kg）使精浆中谷胱甘肽过氧化物酶（GSH-Px）的活性增加了一倍，并减少了脂质过氧化。总之，当公鸡受到热应激时，补充膳食有机硒能改善精液质量。它增加了精子的数量和活力，减少了精子死亡的百分比并增强了精浆的抗氧化状态。

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