影响种公牛精液品质的因素及种公牛体尺与精液品质相关性分析
发布时间：2018-07-17 02:04
【摘要】：为了探讨不同品种、采精年份、季节、年龄、频次、采精人员对公牛精液品质的影响规律以及各体尺与精液品质之间的相关性,本文对种公牛精液生产性能记录进行了分析研究,以便在生产中采取相应的技术措施,从而极大的改善种公牛的饲养管理条件以及增加冷冻精液的生产量和精液品质。1.利用新疆天山畜牧种公牛站的种公牛精液生产性能记录从2008~2014年共105257条数据,对可能影响种公牛精液品质的6个因素—品种、采精年份、季节、年龄、频次、采精人员进行了最小二乘分析,并利用Duncan氏进行了多重比较。结果表明:品种、采精年份、季节、年龄、频次、采精人员等6个因素对精液品质均有极显著影响(P0.01)。2.对新疆天山畜牧种公牛站荷斯坦、西门塔尔、安格斯、夏洛来、褐牛以及利木赞等6个不同的品种188头种公牛的周岁体尺测量数据进行了体尺和精液品质的相关分析。结果表明:种公牛的精液量分别与体高、体长、胸围、管围呈极显著正相关(P0.01),种公牛的原精密度分别与体高、体长、胸围显著相关。
[Abstract]:In order to investigate the effect of semen quality on bull semen quality in different breeds, the year, season, age, frequency of spermatozoa, the correlation between body size and semen quality was studied. In this paper, the records of semen production performance of bulls were analyzed and studied in order to take appropriate technical measures in production, so as to greatly improve the breeding and management conditions of bulls and increase the production and quality of frozen semen. From 2008 to 2014, a total of 105257 semen production data were recorded from Xinjiang Tianshan Animal Husbandry bulls Station. Six factors that may affect the semen quality of bulls were studied: variety, year of semen collection, season, age, frequency, and frequency. The least-squares analysis was carried out and the multiple comparisons were made by Duncan's method. The results showed that six factors, such as variety, year of semen collection, season, age, frequency, and semen collection personnel, all had significant effects on semen quality (P0.01) .2. The body size and semen quality of 188 bulls of 6 different breeds, including Holstein, Simmental, Angus, Charolais, Brown cattle and Limousan, were analyzed. The results showed that the volume of seminal fluid was positively correlated with body height, body length, chest circumference and tube circumference (P0.01), and the original precision was significantly correlated with body height, body length and chest circumference.
【学位授予单位】：新疆农业大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：S823
本文编号：2128541
[Abstract]:In order to investigate the effect of semen quality on bull semen quality in different breeds, the year, season, age, frequency of spermatozoa, the correlation between body size and semen quality was studied. In this paper, the records of semen production performance of bulls were analyzed and studied in order to take appropriate technical measures in production, so as to greatly improve the breeding and management conditions of bulls and increase the production and quality of frozen semen. From 2008 to 2014, a total of 105257 semen production data were recorded from Xinjiang Tianshan Animal Husbandry bulls Station. Six factors that may affect the semen quality of bulls were studied: variety, year of semen collection, season, age, frequency, and frequency. The least-squares analysis was carried out and the multiple comparisons were made by Duncan's method. The results showed that six factors, such as variety, year of semen collection, season, age, frequency, and semen collection personnel, all had significant effects on semen quality (P0.01) .2. The body size and semen quality of 188 bulls of 6 different breeds, including Holstein, Simmental, Angus, Charolais, Brown cattle and Limousan, were analyzed. The results showed that the volume of seminal fluid was positively correlated with body height, body length, chest circumference and tube circumference (P0.01), and the original precision was significantly correlated with body height, body length and chest circumference.
【学位授予单位】：新疆农业大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：S823
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