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.
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[Effects of Semen Ziziphi Spinosae extracts on body temperature and weight gain of chickens in hot environment].
Zhong Yao Cai
October 2008
The Third Affiliated Hospital of Yat-sen University, Guangzhou 510630, China.
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.
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