The evalution of genetic resource of three northwest chicken populations was analyzed by using microsatellite marker on 4 loci 摘要利用4个微卫星标记对西北地区的固原鸡、固原红鸡和略阳乌鸡群体进行遗传变异分析。
2.
Overall , dr jensen ' s junglefowl were better at remembering their way around the maze than were his chickens , whether or not they were stressed 最终结果是，无论这些家禽是否处于压抑状态，红原鸡对于线路的记忆都要比家禽强。
3.
One group of junglefowl and a group of chickens lived a contented , uneventful life ; the others knew only chronic stress from the age of five weeks 一组红原鸡和一组来亨鸡饲养环境良好，不用做任何事，另外两组鸡从五周大开始就表现出长期压抑的情况。
4.
Two of these were red junglefowl from a local zoo ( all domestic chickens were originally bred from red junglefowl at least 5 , 000 years ago ) ; two were white leghorn chickens ( a modern farmyard variety ) 其中两组是当地动物园中的红原鸡（所有家养鸡类都是其后代，红原鸡已存在至少五千年） ，另两组是白来亨鸡（现代家养鸡） 。
