酸枣仁提取物对热环境下雏鸡体温与增重的影响

目的:验证酸枣仁提取物降低热环境下雏鸡体温的作用,研究其防暑降温功能.方法:90只1日龄三黄雏鸡随机分为空调对照组、热处理组、酸枣仁组,酸枣仁组鸡饲料中添加酸枣仁提取物1000 g/吨.分别于1、14、35、42日龄时测量鸡直肠温度,35、56日龄称取体重.结果:酸枣仁组鸡平均体温在14、35、42 R龄时显著低于热处理组(P<0.05);35、56日龄酸枣仁组平均日增重高于热处理组(P<0.05).结论:酸枣仁提取物能降低热环境下雏鸡体温,促进增重.

Effects of Semen Ziziphi Spinosae Extracts on Body Temperature and Weight Gain of Chickens in Hot Environment

Objective: To validate the decreasing body temperature effect of Semen Ziziphi Spinosae extracts(SZSE) on chickens in hot environment and study its functions of sunstroke and hot-stress prevention.Methods:Ninety 1-day-old San-huang chickens were randomly divided into air-conditioning group,hot-treatment group,and SZSE group.The feed for SZSE group was added SZSE as 1 g/kg.The recta temperatures were recorded when chickens were 1,14,35 and 42 days old,and chickens were weighed when they were 35 and 56 days old.Results:The body temperatures of SZSE group were remarkably lower than the hot-treatment group at 14th,35th,42th day(P<0.05),but the average daily weight gain was higher at 35th and 56th day.Conclusion:SZSE can decrease body temperature and increase weight gain of chickens in hot environment.