近交对高原瘦肉型猪品系选育效果的影响  

Effect of Inbreeding on Strain Breeding Result on Plateau Lean Meat Type of Pig

作　　者：周继平[1] 

机构地区：[1]青海省畜牧兽医科学院,西宁810016

出　　处：《青海畜牧兽医杂志》2008年第5期14-15,共2页Chinese Qinghai Journal of Animal and Veterinary Sciences

摘　　要：对高原瘦肉型猪品系选育过程中近交对选育效果的负面影响进行分析。结果表明:随着世代的递增,产仔数从平均数10头下降为9.04头,其他指数也有不同程度的下降,而畸型率从F2世代的2.6%增加到F7世代的6.93%。The negative effect of inbreeding on breeding result was analysed in the breeding process of plateam lean meat type of pig strain. The results showed that the average litter size decreased from 10 to 9.04 along with the generation increasing and the deformation rate increased from 2.6% in F2 generation to 6.93% in F7 generation,and other indexes also decreased to varying degree.

关 键 词：高原瘦肉型猪 选育 近交 

分 类 号：S826.92[农业科学—畜牧学]