亲本番鸭微卫星标记遗传距离与半番鸭主要经济性状的相关性分析

The Correlation between Mcrosatellite-based Genetic Distance of Parental Mule Duck and Main Econmic Traits of Half-blood Mule Duck

利用8个微卫星标记测定半番鸭亲本间的遗传距离,并分析了亲本遗传距离与半番鸭主要经济性状的相关关系。结果表明:亲本间微卫星标记遗传距离与杂交后代日增重相关程度较高,相关系数0.9285~0.9978;与饲料转化率呈负相关关系,相关系数-0.7838^-0.8965;与10周龄的半净膛率和全净膛率呈正相关,相关系数0.9094和0.8838;与胸肌率、皮脂率和腹脂率也呈强正相关,相关系数0.9027、0.9378和0.7983,与腿肌率则呈强负相关,相关系数-0.8898。

In this study,the genetic distance of the parental mule duck was estimated by using eight microsatellite markers,then the correlation between microsatellite-based genetic distance of parental mule duck and main economic traits of half-blood mule duck was analyzed.The result indicated there was strong positive correlation between the average daily gain and microsatellite-based genetic distance,with the correlation coefficient of 0.9285～0.9978,and a strong negative correlation between feed conversion ration and genetic distance,of which the correlation coefficient was-0.7838～-0.8965.And the strong positive correlation included semi-net carcass rate yield,net car cass rate,percentage of leg muscle,percentage of skin fat and percentage of abdominal fat,of which the correlation coefficient was 0.9094,0.8838,0,9027,0.9378 and 0.7983 respectively.The strong negative correlation included percentage of breast muscle,of which the correlation coefficient was-0.8898.