摘要
本实验选用62头1~8胎次的大约克妊娠母猪及所生的632头仔猪进行试验,研究仔猪初生重对仔猪成活率的影响及其影响因素,主要研究母猪胎次和窝仔数对仔猪初生重的影响。试验结果表明,仔猪初生重与仔猪成活率呈正相关关系。母猪胎次及窝仔数对仔猪初生窝重均有影响。
With 62 1 ~ 8 parity Yorkshire born pregnant sows and 632 piglets were tested on the birth weight of the piglets on the survival rate of piglets and its influencing factors,influences of sow parity and litter size on the birth weight of the piglets. The results showed that there was a positive correlation between piglet birth weight and survival rate. Parity and litter weight of litter had effect on piglets.
作者
林俊英
LIN Junying(Shishi city,Fujian province,animal health supervision,Shishi 362700,Chin)
出处
《畜禽业》
2018年第5期11-13,共3页
Livestock and Poultry Industry
关键词
初生重
胎次
窝仔数
成活率
birth weight
parity
litter size
survival rate
