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Effects of Chinese herbal additive on immunologic functions and productive performance of dairy cows during heat stress.

作  者:
Qiangming Su
单  位:
¶College of Life Sciences, Jianghan University, Wuhan 430056, China
关键词:
experimental group;01;immunologic functions;fat;dairy cows;basal die
摘  要:
[Objective] To study effects of Chinese herbal additive on immunologic functions and productive performance of dairy cows.[Method] A total of 20 healthy dairy cows were randomly divided into control group and experimental group.They were respectively fed a common basal diet and the basal diet containing 100 g Chinese herbal additives.The trial lasted for 49 d.[Result] The 4% fat corrected milk yield(FCM) production,milk yield after weight correction,quantity of solid-not-fat and ash content in the experimental group were significantly higher than those in the control group(P 0.01).The total lymphocytes(LYM) number of peripheral blood,the percentage of lymphocytes,and IgG concentration in the experimental group were significantly higher than those in the control group on Day 14,28 and 42(P 0.01).[Conclusion] The Chinese herbal additive can enhance the lactation performance and immunologic function of dairy cows.

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