可乐猪繁殖性能及影响因素研究  

Study on the Reproductive Performance and Its Influence Factors of Kele Pigs

作　　者：向程举 张玉龙 王帮荣 刘若余[3] 杨永强[3] 吴恒 

机构地区：[1]毕节市畜牧技术推广站,贵州毕节551700 [2]毕节市种畜场,贵州毕节551700 [3]贵州大学动物科学学院,贵阳550025 [4]毕节市牧垦场,贵州毕节551700

出　　处：《湖北农业科学》2015年第9期2166-2169,共4页Hubei Agricultural Sciences

基　　金：贵州省农业科技攻关项目[黔科合NY字(2009)3073]

摘　　要：为促进可乐猪品种选育工作的研究,对可乐猪种质特性进行了鉴定,并研究胎次和季节对可乐母猪产仔性能的影响。结果表明,可乐猪性成熟早,公猪76日龄开始出现爬跨反应,母猪初情期出现在85日龄;可乐猪繁殖力较低,窝总产仔数为8.20~8.45、窝产活仔数为7.67~7.96、窝断奶仔数为6.98~7.33。胎次对可乐猪的产仔性能有明显影响,窝总产仔数、窝产活仔数和窝断奶仔数均以第3胎最多,第4胎次之,第1胎最少。第2、3、4胎窝总产仔数、窝产活仔数和窝断奶仔数极显著高于第1胎（P〈0.01）,保持合理的胎次分布有利于提高可乐猪群的产仔性能。季节对可乐猪产仔性能有一定影响,产仔窝数、窝总产仔数、窝产活仔数和窝断奶仔数以春秋季最多,冬季略低,夏季最少。Kele pig was a native breed in Guizhou which had advantage performance at crude feed tolerance,stress resistance and meat quality.For proceeding the breeding progress,the germplasm characteristics and the effect of parity and various seasons on reproductive performance of Kele pigs were studied and analyzed. The results showed that Kele pig had the feature of early sexual maturity,the oestrus behavior appeared at 76 days age for boar individuals and the puberty of sow were at 85 days age.The total number of born, alive number of born and litter size at weaning were 8.20-8.45,7.67-7.96 and 6.98-7.33 respectively.The parity showed significant effect on reproductive performance of Kele pigs,the total number of born, alive number of born and litter size at weaning in the third fetus were all the highest, followed with the fourth fetus and the least was the first fetus.The total number of born, alive number of born and litter size at weaning in the others fetus were significantly higher than the first fetus （P〈0.01）.The reasonable fetal distribution was good for improving the reproductive performance of Kele pigs. Furthermore,season was also a factor which affect the reproductive performance,the fetal times, the total number of born, alive number of born and litter size at weaning in spring and autumn were the highest,followed with winter and summer.

关 键 词：可乐猪 繁殖性能 影响因素 

分 类 号：S828.89[农业科学—畜牧学]