平养条件下东乡绿壳蛋鸡就巢性研究  

Broody Traits of Dongxiang Blue-shell Chickens under Floor System

作　　者：姜润深[1] 徐桂云[2] 王晓亮[2] 杨宁[2] 

机构地区：[1]安徽农业大学动物科技学院,合肥230036 [2]中国农业大学动物科技学院,北京100094

出　　处：《中国家禽》2005年第24期17-18,共2页China Poultry

摘　　要：研究通过诱导就巢,观察并统计了东乡绿壳蛋鸡47～66周龄就巢发生情况。结果表明,观察期内平养绿壳蛋鸡群体平均卧息时间为10.5天(0～81天),除了产蛋外,27.7%的母鸡没有发生卧息行为;鸡群平均典型就巢次数为0.43次,群体平均就巢时间为12.3天(0～96天);超过30%的母鸡表现出典型就巢行为,其平均就巢持续时间约为29天。The broody traits during 47-66 wks of age of Dongxiang Blue-shell chickens which were induced to be broody were observed and analyzed.Resuhs showed that the mean nesting days was 10.5（0-81） during the whole observation period,and 27.7% of hens did not exhibit nesting.The mean broodiness number of times for the population was 0.43,and mean broody days was 12.3 （0-96）.Over 30% hens presented typical broodiness,and the duration of each broody cycle was about 29 days.

关 键 词：平养条件 绿壳蛋鸡 就巢性 家禽遗传资源 

分 类 号：S831.4[农业科学—畜牧学]