摘要
鲁西黑猪性成熟早,小母猪出现明显发情征兆的日龄为(93.5±9.2)d,体重(21.56±2.21)kg,发情周期(19±1.1)d,妊娠期(113.5±1.4)d,情期受胎率93%以上。小公猪从(83.12±4.67)d,体重(14.58±0.82)kg,出现性反应爬跨。母猪繁殖力强,平均窝产仔数(13.49±2.37)头,产活仔数(12.35±2.07)头,35日龄断奶仔数(11.79±1.61)头。母猪有效乳头数(16.15±1.32)个,泌乳力好,母性强,哺育率达98%。
IThe sexual maturity of Lnxi Local Black Pig is early.The average age is 93.5±9.2 days when the little sow has obvious estrous signs,its body weight is 21.56±2.21 kg,estrous cycle for 19±1.1days,gestational period is 113.5±1.4days,The impregnating rate in estrous period is more than 93%.The body weight is 14.58±0.82 kilograms when it appears that little boar step to climb at 83.12±4.67 days. The reproductive capacity of sows is relatively strong,the average litter size is 13.49±2.37,litter size tom alive 12.35±2.07,and the weaning number is ll.79±1.61,The effective teat numbers is 16.15±1.32,the sow secretes milk of good quality,the maternal instinct is strong,the feeding percentage is 98%.
出处
《畜禽业》
2016年第11期32-35,共4页
Livestock and Poultry Industry
基金
聊城大学2014年度大学生科技文化创新基金(SF2014200)
聊城大学博士科研启动基金(31805)
关键词
鲁西黑猪
繁殖性能
窝产仔数
产活仔数
泌乳力
Luxi Black Pig
reproductive performance
litter size,the number of live birth
lactescence
