检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
作 者:宋素芳[1] 康相涛[2] 孙桂荣[2] 王彦斌[2] 李国喜[2] 李明[2]
机构地区:[1]郑州牧业工程高等专科学校,郑州,450008 [2]河南农业大学,郑州,450002
出 处:《中国农学通报》2003年第4期11-13,共3页Chinese Agricultural Science Bulletin
基 金:国家"8 6 3计划项目 (2 0 0 2AA2 42 0 2 ) ;河南省重大科技攻关 (0 2 2 2 0 10 90 0 )
摘 要:对固始鸡快、慢羽纯系进行研究 ,结果表明 :羽速基因对固始鸡受精率无显著影响 ,对入孵蛋孵化率有显著影响 (P <0 0 5 ) ,快羽系入孵蛋孵化率高于慢羽系 4 6 6 %;固始鸡快羽系的开产日龄较慢羽系迟 2 4 4d ,开产蛋重慢羽系较快羽系重 0 2 9g ,开产体重快羽系较慢羽系重8 7g ,但均未达到显著性差异 ;羽速基因对固始鸡 4 0周龄蛋重有极显著影响 (P <0 0 1) ,慢羽系 4 0周龄蛋重极显著地高于快羽系 ,对 4 0周龄蛋量和 4 0周龄体重无显著影响 ;羽速基因对固始鸡各阶段的死亡率无显著影响。The pure lines of fast and slow feathering of Gushi Chicken were studied, the results showed: Feathering growth gene didn’t have significant affect on the fertilization ratio. But it had a signification affect on the hatching ratio (p<0.05). The hatching ratio of FF was 4.66% higher than SF chickens. The age of the fist laying was 2.44 days later in FF than in SF. The egg weight of the fist laying was 0.29 g heavier in SF line than that of the FF line. The body weight of FF was 8.7 g more than that of SF line at the age of first laying, but with null significant difference. The egg weight of SF line was significant heavier than that of the FF line at 40 week-old (P<0.01). The egg production of SF was 1.73 more than that of the FF line at 40 week-old and the body weight of SF was 25.31 g more than that of the FF line. The difference existed but without significance. The motility of Gushi Chicken was not affected by the feathering growth gene.
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:216.73.216.40