CAJ | 학술논문

以湖北地方蛋鸭品种荆江鸭为基础，引入山麻鸭、攸县麻鸭、缙云麻鸭等国内优良蛋鸭品种进行杂交配套组合，开展荆江蛋鸭Ⅱ系的选育工作。经过6年5个世代的家系选育，荆江蛋鸭Ⅱ系的开产日龄由零世代的111.5 d延迟到5世代的120.5 d，40周龄平均蛋重由0世代的71.76 g降低到5世代的66.22 g，40周龄体重稳定在1450 g左右，40周龄产蛋数达到135个，72周龄产蛋数超过290个，均达到选育目标。
이호북지방단압품충형강압위기출，인입산마압、유현마압、진운마압등국내우량단압품충진행잡교배투조합，개전형강단압Ⅱ계적선육공작。경과6년5개세대적가계선육，형강단압Ⅱ계적개산일령유령세대적111.5 d연지도5세대적120.5 d，40주령평균단중유0세대적71.76 g강저도5세대적66.22 g，40주령체중은정재1450 g좌우，40주령산단수체도135개，72주령산단수초과290개，균체도선육목표。
The breeding of Jingjiang duck line Ⅱ was based on crossing native Jingjiang duck with imported Shanma duck, Youxian duck and Jinyun duck. After 6 years breeding of 5 generations, the age of first egg, average egg weight and body weight at age of 40-weeks age, egg number at age of 40 weeks and 72 weeks of Jingjiang duck lineⅡ were 120.5 d,66.22 g,1 450 g,135 and more than 290, respectively. All the laying traits of Jingjiang duak line Ⅱ realized the breeding goals.