豫州褐壳蛋鸡Ⅰ、Ⅱ系杂交效果分析  

Crossing Effect Analysis to Yuzhou Blown Eggshell Layer Ⅰ、Ⅱ Line

作　　者：康相涛[1,2,3] 李明[1,2,3] 宋素芳 黄艳群[1,2,3] 王彦彬[1,2,3] 赖葆春 

机构地区：[1]河南农业大学畜牧工程学院 [2]郑州牧业工程高等专科学校 [3]河南省畜牧局

出　　处：《华北农学报》1998年第4期136-141,共6页Acta Agriculturae Boreali-Sinica

摘　　要：对豫州褐壳蛋鸡Ⅰ、Ⅱ系杂交效果研究表明，其生活力、主要生产性能均有明显提高，健雏率、育雏率、育成率、产蛋期存活率分别达到９９２０％，９７８７％，９７１２％和９３３５％，开产日龄提早６９ｄ，全期产蛋２５４２０枚，料蛋比２４２∶１。The crossing effect indicated,YuZhou brown eggshell layerⅡ×Ⅰ had a significient improvement on survival rate and other main production properities.The percentage of healthy day old chicks,viability of brooding chicks,viability of rearing chicks,viability during laying period got to 99.20%,97.87%,97.12% and 93.35% seperately.The age of first egg advanced 6-9 days,72 week old egg production was 254.20,and the feed conversion in the laying period was 2.42∶1.

关 键 词：豫州褐壳蛋鸡 杂交效果 生产性能 

分 类 号：S831.2[农业科学—畜牧学]