吉林白鸡配套系选育工作报告

REPORT ON COMPLETE SETS OF JILIN WHITE LAYING FOWL BREEDING

摘要:

吉林白鸡配套系选育开始于1978年,1983年参加全国蛋鸡育种攻关,到1986年育种工作阶段结束。采用高度近交、闭锁群家系等方法育成12个品系。进行94个杂交组合的配合力测验。经中试和全国蛋鸡育种攻关随机抽样测定,筛选出吉杂312、吉杂510二个高产配套系,商品鸡饲养日72周龄产蛋总重量分别达14.76和14.67公斤,超过全国蛋鸡育种攻关规定14.5公斤的指标,达国内先进、国际70年代末水平。吉林白鸡良种繁育体系建立,始于1983年,累计饲养种鸡10万只,推广父母代和商品代鉴别鸡雏100万只,增产幅度、经济效益提高23%。解决了我省长期以来迫切需要的高产商品鸡种源问题。

Abstract:

Study for breeding of Jilin White Layer started in 1978, national Layer breeding attended in 1983. And ended in 1986. There are 12 lines of Jilin White Layer breeded by high-inbreeding and 94 cross combination for testeross 2 high characteristic lines named Jilin-Cross 312 and Jilin-Cross 510 Were chosen in middle test. Commercial layer produced 14.76 kg and 14.67 kg eggs over 14.5 kg (national layer breeding index), per hen in 72 weeks in national random sampling test. These indexes are advanced levels in China at present and suit to the world levels in the late of 1970’s establishment for Jilin White Layer breeding system started in 1983. There are 100,000 breeding bird and Put 1.000,000 commercial layers and parent flock up for saie. 23% Economic efficiency was raised. Then, the problem of parent flock material in Jilin Province has been solved.