摘要
本文统计了我国第一批制作的澳洲美利奴公羊颗粒冻精在保存0年、2.5年、5年、10年、13年、15年、20年和32年时进行的系列输精试验情况。系列试验获得的受胎率分别为20.78%、32.0%、50.0%、42.31%、46.58%、41.46%、32.29%和32.39%。各试验汇总平均受胎率为37.69%,平均产羔率为114.33%。通过试验结果比较,不同的输精方式方法对受胎效果有较大的影响,采用腹腔镜绵羊宫内输精的效果要高于常规宫颈输精方法,产羔率比后者高17.35%。
A series tests used Austrulia merino ram frozen-semen stored for zero year to 2.5,5,10,13,20,and 32 et al years to inseminated with Chinese meirino (Xinjiang type) ewes. Had obtained the corresponding conception rate Of 20.78% ,32.0% ,50.0% ,42.31% ,46.58% ,41.46%,32.29% conception rate of 37.69% ,lambing percentage 114.33% .The tests results and 32.39%;Had an average substantiated inseminate-mode has a obviously infection for conception rate, comparing use the endoscope method to groovy-insemination method had received conception rate hyper 17.35%.
出处
《草食家畜》
2009年第3期40-43,共4页
Grass-Feeding Livestock
关键词
绵羊冻精
不同保存年限
受胎率
sheep frozen-semen
stored
different length of time
conception rate that different -insemination