摘要
通过两组对比试验,人工授精比自然交配妊娠率和产仔成活率均可提高30%。从而达到提高优质品种率,降低生产成本的目的。
Experiment results showed that pregnancy rate and farrowing survival rate of artificial insemination is higher 30% than natural mating.Artificial insemimation methods improve rate of high quality variety.and it reduce production costs.
出处
《经济动物学报》
CAS
1999年第1期10-13,共4页
Journal of Economic Animal