伊普吕配套系祖代在重庆的繁殖性能测定分析

Analysis on the Reproductive Performance of Hyplus Grandfather Ancestors in Chongqing

对2016年从河南济源阳光兔业引进的1 000只伊普吕祖代进行连续5个胎次的繁殖性能测定,研究伊普吕配套系祖代在重庆高温高湿环境条件下的繁殖性能。结果表明,伊普吕配套系祖代引进重庆两年多后的繁殖性能中受胎率为70%偏低,平均窝产活仔数9.64±2.19只,平均初生窝重600.6±118.7g,平均21日龄窝重2 573±437 g,平均35日龄断奶个体重898.3±231.7 g,均在正常水平。河南济源阳光兔业提供伊普吕祖代D系产活仔数9.2~9.5只,与测定结果比较,伊普吕配套系祖代D系在重庆高温高湿环境下繁殖性能稳定,符合该品系特征。

The reproduction performance of 1 000 Hyplus Grandfather from Henan Jiyuan Sunshine Rabbit Industryin 2016 was measured for 5 consecutive births,and the reproduction performance of Hyplus Grandfather supportingancestors under high temperature and high humidity conditions in Chongqing was studied.The results showed thatthe fetal rate in the reproductive performance of Hyplus Grandfather supporting ancestors was 70%lower after theintroduction of Chongqing for more than two years.The average litter number was 9.64±2.19,and the average birthweight was 600.6±118.7 g.The mean age nest weight was 2 573±437 g.The average 35-day weaning weight of898.3±231.7 g was at normal levels.Henan Jiyuan Sunshine Rabbit Co.,Ltd.provided Hyplus Grandfather D serieswith 9.2 to 9.5 live larvae.Compared with the measured results,Hyplus Grandfather supporting ancestral D serieshad stable reproductive performance in Chongqing’s high-temperature,high-humidity environment,meeting thecharacteristics of the strain.