›› 2015, Vol. 42 ›› Issue (12): 3300-3307.doi: 10.16431/j.cnki.1671-7236.2015.12.028

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The Correlative Analysis between Body Size and Slaughter Traits in Wei-ning Chickens

JIANG Hui-mei1, ZHANG Yi-ling1, LIU Zhang-zhong1, YANG Yuan-qing1, SHU Chang1, LI Wan-gui2, ZHANG Yi-yu2, LIU Ruo-yu2   

  1. 1. Livestock Genetic Resources Management Station, Bijie 551700, China;
    2. College of Animal Science, Guizhou University, Guiyang 550025, China
  • Received:2015-04-02 Online:2015-12-20 Published:2015-12-30

Abstract: It aimed to investigate the sex differences and correlation of body size and slaughter traits in Wei-ning chicken,the research measured the body size and slaughter traits of 65 Wei-ning chicken(♀:33;♂:32 ) at the age of 180 days according to the nation livestock body size and slaughter measurement standards,and analysis on the correlative between body size and slaughter traits.The results showed that the lean body length was significant difference in the different sex chicken groups (P< 0.05 ),and the cocks were higher than hens,the comb hight and keel bone length of cocks were extremely significant higher than hens (P< 0.01 ).All of the body size and slaughter trait showed difference between cocks and hens,moreover,the Wei-ning chicken also showed excellent appearance,hold the strong body constitution character,good meat performance and adaptability for other native chickens,the body constitution and meat performance of cocks were better than hens.Besides,the different body size,most of slaughter traits and between body size and slaughter traits were positively correlaton,and most of indexes showed the significant or extremely significant correlation levels (P< 0.05;P< 0.01),these data would be crucial insight for the breeding,especial early breeding of Wei-ning chicken.

Key words: Wei-ning chicken; body size; slaughter traits; correlation

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