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作 者:申杰[1] 吴艳[1] 皮劲松[1] 潘爱銮[1] 黄涛 梁振华[1] 张昊[1] 付明 陈亚茹 SHEN Jie;WU Yan;PI Jin-song;PAN Ai-luan;HUANG Tao;LIANG Zhen-hua;ZHANG Hao;FU Ming;CHEN Ya-ru(Institute of Animal Husbandry and Veterinary/Hubei Agricultural Science and Technology Innovation Center/Hubei Key Laboratory of Animal Embryo and Molecular Breeding,Hubei Academy of Agricultural Sciences,Wuhan 430064,China)
机构地区:[1]湖北省农业科学院畜牧兽医研究所/湖北省农业科技创新中心/动物胚胎与分子育种湖北省重点实验室,武汉430064
出 处:《湖北农业科学》2024年第5期143-146,共4页Hubei Agricultural Sciences
基 金:国家肉鸡产业技术体系资助项目(CARS-41-Z14);动物胚胎与分子育种湖北省重点实验室开放课题(KLAEMB-2020-01);湖北省农业科技创新中心项目(2016-620-000-023);湖北省技术创新重大项目(2018ABA112)。
摘 要:采用个体选择与家系选择方法,以生长性能和产蛋性状为主选指标,对隐性白羽鸡基础群进行选育,建立了隐性白羽鸡新品系,再利用隐性白羽鸡新品系作为母本进行二系配套,并测定其性能。结果表明,通过4个世代的选育,隐性白羽鸡新品系初生重降低2.9 g,公鸡15周龄体重降低486.0 g,43周龄体重降低562.9 g;母鸡15周龄体重降低334.6 g,43周龄体重降低404.5 g,开产日龄提前了5.2 d,43周产蛋数提高6.7个。以隐性白羽鸡新品系作为母本的二系配套J×W组的屠宰性能和体尺指标均优于Y×W组。隐性白羽鸡新品系经过4个世代的选育,产蛋性能和体重均得到较大改善,杂交配套效果良好。A combination of individual selection and family selection methods was used,and the main selecting indicators were growth traits and egg production traits.Breeding of the basic group of recessive white feathered chickens was carried out,and a new line of re-cessive white feathered chickens was established.Then,the new line of recessive white feathered chickens was used as the maternal parent for secondary matching,and its performance was determined.The results showed that after four generations of breeding,the birth weight decreased by 2.9 g,the weight of roosters at 15 weeks decreased by 486.0 g,and the weight decreased by 562.9 g at 43 weeks;at 15 weeks of age,the weight of the hens decreased by 334.6 g,and at 43 weeks of age,the weight decreased by 404.5 g.The age of first egg was advanced by 5.2 days,and the number of eggs lay at 43 weeks increased by 6.7.The slaughter performance and body size of group J×W were better than those of group Y×W.After four generations of breeding,the egg production performance and body weight were significantly improved for the new line of recessive white feathered chicken.The two-line hybridization was good.
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