| 不同蛋白水平日粮对断奶仔猪的影响 |
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| 引用本文： | 辛小召,邓祖丽颖,石秋锋,李振田.不同蛋白水平日粮对断奶仔猪的影响[J].江西农业学报,2014(2):124-128. |
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| 作者姓名： | 辛小召 邓祖丽颖 石秋锋 李振田 |
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| 作者单位： | [1]河南农业大学牧医工程学院,河南郑州450002 [2]郑州幼儿师范高等专科学校,河南郑州450003 |
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| 基金项目： | 河南省郑州市重大科技专项“安全高效低成本饲料的研制与应用”（3080063）. |
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| 摘 要： | 试验选择健康状况良好、体重接近的断奶仔猪200头,研究不同蛋白水平的日粮对断奶仔猪生产性能、腹泻率、蛋白消化率以及血清生化指标的影响,结果表明:不同蛋白水平日粮对断奶仔猪的日均采食量、日均增重和蛋白消化率均没有影响(P>0.05),蛋白水平19.5%、18.5%的试验组与蛋白水平21.5%、17.5%的试验组相比断奶仔猪的料重比显著降低(P<0.05),蛋白水平17.5%的日粮能显著降低腹泻率(P<0.05);蛋白水平为18.5%和17.5%的日粮均显著降低断奶仔猪血清尿素氮和谷丙转氨酶、碱性磷酸酶的活性(P<0.05),还能显著提高血清IgA、IgG的浓度(P<0.05),蛋白水平为17.5%的日粮显著降低血清胆固醇(P<0.05)。
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| 关 键 词： | 不同蛋白水平 日粮 断奶仔猪 腹泻率 料重比 血清生化指标 |
Effects of Diets with Different Levels of Protein on Weaned Piglets |
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| XIN Xiao-zhao,DENGZU Li-ying,SHI Qiu-feng,LI Zhen-tian.Effects of Diets with Different Levels of Protein on Weaned Piglets[J].Acta Agriculturae Jiangxi,2014(2):124-128. |
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| Authors: | XIN Xiao-zhao DENGZU Li-ying SHI Qiu-feng LI Zhen-tian |
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| Institution: | 1. College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450002, China; 2. Zhengzhou Kinger Garten Teachers＇ College, Zhengzhou 450003, China) |
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| Abstract: | This experiment selected 200 heads of weaned piglets which were in good health and had similar body weight , and studied the effects of diets with different levels of protein on their production performance , diarrhea rate, protein digestibility and se-rum biochemical indicators .The results indicated that the diets with different levels of protein had not significant influences on the average daily feed intake , average daily gain , and protein digestibility of weaning piglets .The feed-gain ratio of weaning piglets feeding on the diets with 19.5% or 18.5% protein was significantly lower than that of weaning piglets feeding on the diets with 21.5%or 17.5%protein （P〈0.05）.The diets containing 17.5%protein could significantly reduce the diarrhea rate of weaning piglets （P〈0.05）.The diets with 18.5%or 17.5% protein could significantly reduce the concentration of serum urea nitrogen , and the activities of glutamic-pyruvic transaminase and alkaline phosphatase （P〈0.05）, also could significantly increase the con-centration of serum IgA and IgG （P〈0.05）.The diets containing 17.5%protein could significantly decrease the concentration of serum cholesterol （P〈0.05）. |
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| Keywords: | Different protein levels Diets Weaned piglets Diarrhea rate Feed-gain ratio Serum biochemical indicators |
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