Measurement and Correlation Analysis of Growth and Carcass Traits of Quality Duck Hybrid Progeny

The aim of this paper was to investigate the correlation among body weight,body size and carcass traits of quality duck hybrid progeny. The body weight,body size,and carcass traits of hybrid duck at 70 days of age were measured and the correlations among these traits were analyzed. The results showed that there were significant differences between the male and female ducks for body weight,shank length,half-diving depth,leg muscle rate(P0.01),and body slope length,keel bone length,chest width, chest depth were significant(P0.05). The body weight had significantly positive correlation to half- diving depth,eel bone length,chest width,shank length,shank circumference,body slope length,chest depth(P0.01). There were significantly positive correlation between slaughter rate and eviscerated rate,laughter rate and semi-eviscerated rate,eviscerated rate and semi-eviscerated rate,breast muscle rate and leg muscle rate(P0.01),but leg muscle rate and subcutaneous fat rate,leg muscle rate and lean meat rate,abdominal fat rate and subcutaneous fat rate were significantly negative correlation(P0.05). This study laid scientific basis for estabilishment of breeding objective and strategy in quality duck.