藏獒精液冷冻过程中pH值及甘油对其活力的影响Effect of Extender pH and Glycerin on Motility of Tibetan Mastiff Frozen Semen
辛国省,张勇,龙瑞军,赵兴绪
摘要(Abstract):
为探讨pH值和甘油对藏獒精液冷冻保存前后精子活力的影响,筛选6条种公藏獒在其繁殖季节(9~12月份)以不同pH值梯度(5.5,6.0,6.5,7.0,7.5)稀释液和不同甘油平衡时间(10,20,30,40,50,60,70,80,90 min)对藏獒精液进行冷冻,检查精子活力变化。结果表明,在藏獒精液冷冻过程中,pH值为6.5的稀释液中精子在冷冻前后有较高的活力;甘油平衡时间对藏獒精液活力有较大影响,冻前精子活力随甘油作用时间而下降,在甘油平衡时间为20 min所得藏獒冻后精子活力效果较好。
关键词(KeyWords): 藏獒;精子;活力;pH值;平衡时间
基金项目(Foundation):
作者(Author): 辛国省,张勇,龙瑞军,赵兴绪
DOI: 10.13326/j.jea.2007.04.004
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