【摘要】 将固始鸡H系、固始公鸡与罗曼母鸡杂交F1 、固始鸡G2系、丝毛乌骨鸡、罗曼蛋鸡等 5个品种 (系 )雏鸡随机分成试验组和对照组 ,将试验组雏鸡放入 1 8.3℃的冰箱中 ,经 2 .5h取出 ,测其肛门温度 ,以研究不同品种 (系 )雏鸡体温调节能力。结果表明 :低温冷应激对各品种(系 )雏鸡的体温调节能力无显著影响 ,不同品种 (系 )间雏鸡体温调节能力差异不显著。更多还原

【Abstract】 In this experiment 5 breed (lines) of chicks,which contains Gushi chicken line H,the hybridized F 1 of Lohmann hen and Gushi cock,Gushi chicken line G2,Silkiefow block bone and Lohmann layer,were put into the refrigerator at 18.3 ℃ and were taken out after 2.5 hours,then the anus temperature of these chicks was measured.The results showed that both difference of ability of the body temperature adjustment and effect of cold stress on the body temperature adjustment ability was not significant among different chicks breeds (lines).更多还原