Pig embryonicdeath lowers the litter size of female pig, and further the economical benefits of pig production.
猪胚胎死亡直接影响着母猪的产仔数,并进而影响着养猪生产的经济效益。
2
The present paper reviewed the genetic, environmental, nutritional and disease factors influencing pig embryonicdeath rate, and discussed the preventing approaches in practice.