期刊论文

Study on Reproductive Performances of Xiangcun Black Pig Grouped by Families

中文

养猪

1002-1957

2015

6

50-56

10.13257/j.cnki.21-1104/s.2015.06.019

国家发改委生物育种高新技术产业化专项[发改办高科技（2007）2490号]；

本校为第一机构

应用国家级审定品种湘村黑猪初产0～5世代660窝、经产1～5世代415窝测定数据,分析繁殖与哺育性能,结果表明,初产、经产主要繁育性状群体均值分别为:1)总产仔数、产活仔数分别为11.11头、13.18头和10.32头、12.86头;2)初生窝重、21日龄窝重、70日龄窝重分别为11.55 kg、42.03 kg、172.29 kg和14.53 kg、56.06 kg、232.91 kg;3)21日龄、70日龄育成仔数分别为9.86头、9.45头和12.14头、11.79头;4)21日龄、70日龄育成率分别为95.90％、91.93％和95.68％、92.89％.除初产总产仔数、经产21日龄育成率家系间差异显著(P＜0.05)外,其他性状家系间差异均不显著(P＞0.05);5)主要繁育性状,除育成率产次间差异...

This paper studied on reproduction and nursing performance of Xiangcun Black Pig which is a national approved variety by measured data including 660 litters of primiparous sows during 0-5 generations and 415 litters of muhiparous sows during 1-5 generations.The results showed that the main breeding traits＇ mean of primiparous sows and multiparous sows is respectively：l）the total number born,number born alive were 11.11,13.18 and 10.32,12.86;2）initial litter weight,litter weight at 21 d,litter weight at 70 d were 11.55 kgA2.03 kg, 172.29 kg ...