不同品种母猪产仔性能的比较研究

Comparative study on the litter performance of different breed sows

随着猪肉消费量的与日俱增,导致生猪供应与需求之间产生了严重的脱节,因此提高猪的生产性能成为育种工作者的工作重点之一。繁殖性能是影响养猪业经济效益的关键因素,在养猪生产过程中,母猪就好比提款机,它是养猪产业发展的大厦之基。本研究对辽宁省某猪场2011～2015年纯种母猪的原始生产记录进行调查,利用SPSS 17.0对数据进行分析。结果显示,本文所调查的三个品种:大白、长白、杜洛克母猪的窝产总仔数和窝产活仔数之间存在显著差异(P<0.05);三个品种间母猪的窝产畸形仔数、死胎数、雌雄比差异不显著(P>0.05)。

With the increasing consumption of pork, there is a serious disconnection between the supply and the consumption, so improving the performance of the pig has become one of the key points of the work of breeding workers. Reproductive performance is a key factor affecting the economic efficiency of pig industry. In the process of pig production, sow is like an ATM, it is the base for the development of pig industry. In this study, the original production records of2011～2015 year purebred sows in a pig farm in Liaoning province were analyzed by mathematical statistics, and data were analyzed by SPSS 17.0. The results are as follows there are significant differences between the total litter size and the number of live litter among the three breeds,Large White, Landrace and Duroc. While There was no significant difference in litter deformity number, number of stillbirths and sex ratio between sows in three breeds.