京海黄鸡体重、体尺及屠宰性状间的典型相关分析

对京海黄鸡体重、体尺和屠宰3组性状的23个变量进行了典型相关分析。结果表明:体重和体尺性状间,体重与屠宰性状间以及体尺与屠宰性状间的第1个典型相关系数均达极显著水平,其典型相关系数依次为0.915321、0.996883和0.961838,分别占总相关的98.46%、98.96%和92.82%。在这些性状中,起主要作用的有16周龄重、胫长、胴体重及脚重。本研究结果对京海黄鸡的遗传育种和杂交优势利用有一定的参考意义。

Canonical Correlation Analysis of Body Weight,Body Measurement and Carcass Characters of Jinghai Yellow Chicken

Canonical correlation analysis of three character sets including 23 variables of Jinghai yellow chicken was performed.Strong significant correlations were obtained between body weight and body measurement characters(0.915321),body weight and carcass characters(0.996883) and body measurement and carcass characters(0.961838).The coefficients represented 98.46%,98.96% and 92.82% of the total correlation between the two character sets,respectively.The analysis indicated that main characters for the canonical correlation coefficients were body weight at 16 weeks,shank length,carcass weight and claw weight.The results of the study were useful for the genetic breeding and the use of hybrid vigor.