The Dahe black boars were divided into three group according to the kind of the age in this paper, and the semen volume,semen specific gravity,sperm activity,sperm density,sperm abnormality rate and sperm morphology were systematically analyzed.The result of the indicators of the Dahe black boars' semen showed that semen volumes were (233.23±78.93) mL,(228.66±80.06) g,the proportion of sperm was (1.02±0.01) g/mL,sperm activity was(71.26±8.48)%,sperm density was(3.27±1.17)×108 per mL,sperm abnormality rate was (7.89±7.51)%, respectively.The semen volume,sperm activity and sperm density were significantly effected by the age.Sperm motility and sperm concentration was moderate positive correlation with the coefficient of 0.465 (P<0.01).The indexes of sperm morphology among different age groups were not significantly different.%试验按大河乌猪种公猪年龄分3组,系统测定采精量、精液比重、精子活力、精子密度、精子畸形率和精子形态.结果显示,大河乌猪采精量按体积测定为(233.23±78.93) mL、按质量测定为(228.66±80.06) g,精液比重为(1.02±0.01) g/mL,精子活力为(71.26±8.48)%,精子密度为(3.27±1.17)亿个/mL,畸形率为(7.89±7.51)%. 采精量、精子活力、精子密度受年龄的影响明显,精子活力与精子密度呈中等正相关,相关系数为0.465(P<0.01);不同年龄间精子形态各项指标差异不显著.
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