摘要
试验旨在探究藿香龙黄散对育肥牛血清生化指标、抗氧化指标和免疫指标的影响.选择健康无病、体况良好、体重(385.0±16.3)kg、月龄相近的西门塔尔杂交牛80头,随机分为4组,每组4个重复,每个重复5头牛.对照组、试验Ⅰ组、试验Ⅱ组、试验Ⅲ组分别饲喂添加0、1%、2%、4%藿香龙黄散的饲粮.预试期10 d,正式试验期60 d.结果显示,与对照组相比,试验Ⅱ组育肥牛血清中总蛋白和球蛋白含量以及碱性磷酸酶活性分别提高了10.87%、17.83%和24.82%(P<0.05),尿素氮含量降低了20.25%(P<0.05);试验Ⅱ组育肥牛血清中超氧化物歧化酶、过氧化氢酶活性以及总抗氧化能力分别提高了36.70%、28.63%和35.28%(P<0.05);试验Ⅱ组育肥牛血清中免疫球蛋白A和免疫球蛋白G含量分别提高了18.99%和29.98%(P<0.05).研究表明,在饲粮中添加2%的藿香龙黄散能够改善育肥牛的血清生化指标,促进脂肪和蛋白质的沉积,增强抗氧化能力和免疫能力.
Abstract
The study aimed to investigate the effect of Huoxiang longhuang powder on the serum biochemical,antioxidant and immune indexes of fattening cattle.Eighty healthy,disease-free,well-conditioned Simmental crossbred cattle with an average weight of(385.0±16.3)kg and similar age were selected and randomly divided into four groups,with four replicates in each group and five cattle in each replicate.The cattle in the control group,experimental group Ⅰ,experimental group Ⅱ,and experimental group Ⅲ were fed with rations containing 0,1%,2%,and 4%Huoxiang longhuang powder,respectively.The preliminary trial lasted for 10 days,followed by a formal experimental period of 60 days.The results showed that compared to the control group,the total protein,globulin content,and alkaline phosphatase activity of fattening cattle in the experimental group Ⅱ increased by 10.87%,17.83%and 24.82%,respectively(P<0.05),and the urea nitrogen content decreased by 20.25%(P<0.05).Compared to the control group,the superoxide dismutase,catalase activities,and total antioxidant capacity in the serum of fattening cattle in the experimental group Ⅱ increased by 36.70%,28.63%and 35.28%,respectively(P<0.05).The concentrations of immunoglobulin A and immunoglobulin G of fattening cattle in the experimental group Ⅱ increased by 18.99%and 29.98%,respectively(P<0.05).The study indicates that adding 2%Huoxiang longhuang powder to the diet of fattening cattle can improve the serum biochemical indexes,promote the deposition of fat and protein,and enhance antioxidant and immunity capabilities.
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