用于预测冷冻公牛精液生育力的精液学参数评估。
Evaluation of spermatological parameters used to predict the fertility of frozen bull semen.
作者信息
Kjaestad H, Ropstad E, Berg K A
机构信息
NRF-Norwegian Cattle Association, Hamar, Norway.
出版信息
Acta Vet Scand. 1993;34(3):299-303. doi: 10.1186/BF03548194.
Abstract
Post-thaw motility, velocity and acrosome integrity of frozen semen were determined in 18 bulls with varying fertility (average non-return rates: 71.3 (+/- 2.8)--range: 65.2-75.7). Five semen straws were investigated from each bull. The average values for sperm motility (percentage motile spermatozoa), sperm velocity (graded from 0-3) and acrosome integrity (proportion of spermatozoa with intact acrosome) were 67.5%, 2.5 and 79.3%, respectively. Significant correlations were found between sperm motility and velocity, but not between sperm motility and acrosome integrity. Both sperm motility and velocity were significantly related to bull fertility. It was concluded that of the post-thaw semen characteristics investigated in this study these 2 parameters provided a reliable basis for prediction of bull fertility.
摘要
在18头生育力各异的公牛（平均不返情率：71.3（±2.8）——范围：65.2 - 75.7）中测定了冻融精液的解冻后活力、速度和顶体完整性。从每头公牛采集五支精液细管进行研究。精子活力（活动精子百分比）、精子速度（0 - 3级）和顶体完整性（顶体完整的精子比例）的平均值分别为67.5%、2.5和79.3%。发现精子活力与速度之间存在显著相关性，但精子活力与顶体完整性之间不存在显著相关性。精子活力和速度均与公牛生育力显著相关。得出的结论是，在本研究中所调查的解冻后精液特征中，这两个参数为预测公牛生育力提供了可靠依据。
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