发酵酒糟对淘汰母牛育肥性能、血液生化及免疫指标影响的研究
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摘要
为了探究添加发酵酒糟对淘汰母牛育肥性能及血液生化指标的影响,选择身体健康、体重相近的淘汰母牛30头,平均分为三组,对照组不添加发酵酒糟,试验1组在精料中添加6%的发酵酒糟,试验2组添加10%的发酵酒糟。结果表明,日增重试验2组分别比试验1组和对照组提高了26.92%、30.69%。血清总蛋白含量对照组极显著高于试验1组和试验2组(P<0.01)。血清尿素随着发酵酒糟的添加量增加,呈现下降的趋势,且对照组显著高于试验1组(P<0.05),极显著高于试验2组(P<0.01)。葡萄糖含量对照组极显著高于试验1组和试验2组(P<0.01)。碱性磷酸酶和钙含量各组间差异不显著(P>0.05)。IgA试验1组、试验2组分别比对照组提高25.68%、14.53%,且试验1组、试验2组显著高于对照组(P<0.05)。IgG试验1组显著高于对照组和试验2组(P<0.05)。IgM试验1组显著高于试验2组、对照组(P<0.05)。因此,添加10%的发酵酒糟可改善母牛血液生化指标水平,提高淘汰母牛的育肥性能。
In order to investigate the effect of fermented distillers' grains on fattening performance and blood biochemical indexes of cows, 30 cows healthy and similar in weight were selected and divided into three groups on average. Control group added no fermented distillers' grains, 6% fermented distillers' grains were added to the concentrate in the group 1, 10% of the fermented distillers' grains were added to the group 2. The results showed that the weight gain of the test group 2 respectively increased by 26.92% and 30.69% than the test group 1 and control group. The total serum protein in control group was significantly higher than that in test group 1 and test group 2(P<0.01). Serum urea increased with the amount of fermented distillers' grains, showing a downward trend, and the control group was significantly higher than the experimental group 1(P<0.05), significantly higher than the experimental group 2(P<0.01). The glucose control group was significantly higher than the experimental group 1 and the experimental group 2(P<0.01). There was no significant difference between alkaline phosphatase group and calcium group(P>0.05). Conclusion: adding 10% fermented distillers' grains can improve the blood biochemical indexes of cows and improve the fattening performance of cows.
In order to investigate the effect of fermented distillers' grains on fattening performance and blood biochemical indexes of cows, 30 cows healthy and similar in weight were selected and divided into three groups on average. Control group added no fermented distillers' grains, 6% fermented distillers' grains were added to the concentrate in the group 1, 10% of the fermented distillers' grains were added to the group 2. The results showed that the weight gain of the test group 2 respectively increased by 26.92% and 30.69% than the test group 1 and control group. The total serum protein in control group was significantly higher than that in test group 1 and test group 2(P<0.01). Serum urea increased with the amount of fermented distillers' grains, showing a downward trend, and the control group was significantly higher than the experimental group 1(P<0.05), significantly higher than the experimental group 2(P<0.01). The glucose control group was significantly higher than the experimental group 1 and the experimental group 2(P<0.01). There was no significant difference between alkaline phosphatase group and calcium group(P>0.05). Conclusion: adding 10% fermented distillers' grains can improve the blood biochemical indexes of cows and improve the fattening performance of cows.
引文
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[4]李维炯,倪永珍,黄宏坤,等.微生态制剂在生态畜牧业中应用效果[J].中国农业大学学报,2003,8(增刊):85-92.
[5]张兴会,刘庆权.不同比例白酒糟及营养水平对肉牛育肥效果的影响[J].当代畜牧,2008(3):32-33.
[6]陶忠海,方园,方福平,等.酒糟发酵生物料饲喂育肥牛的生长性能及经济效益[J].贵州农业科学,2014,42(3):105-108.
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