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当前位置: 首页 > 文章 > 母猪饲粮添加β-羟基-β-甲基丁酸对母猪繁殖性能及仔猪生长性能和免疫功能的影响 动物营养学报 2012,24 (9) 1745-1753
Position: Home > Articles > Effects of Adding β-Hydroxy-β-Methylbutyrate to Sow Diets on Reproductive Performance of Sows and Growth Performance of Piglets and Their Immune Function Chinese Journal of Animal Nutrition 2012,24 (9) 1745-1753

母猪饲粮添加β-羟基-β-甲基丁酸对母猪繁殖性能及仔猪生长性能和免疫功能的影响

作  者：
李永明;徐子伟;刘杰;冯尚连
单  位：
浙江省农业科学院畜牧兽医研究所
关键词：
β-羟基-β-甲基丁酸;母猪;仔猪;生长性能;免疫功能
摘  要：
本试验旨在研究母猪饲粮添加β-羟基-β-甲基丁酸(HMB)对母猪繁殖性能及仔猪生长性能和免疫功能的影响。选取20头3～6胎次、妊娠74 d的"长×大"母猪,随机分成2组,每组10个重复,每个重复1头母猪,对照组饲喂基础饲粮,试验组在对照组基础饲粮中添加2 000 mg/kg HMB。试验从母猪妊娠第74天开始,至仔猪21日龄断奶结束。结果表明:与对照组相比,试验组仔猪初生个体重显著提高14.1%(P<0.05),仔猪7、21日龄窝重分别显著提高16.6%、11.7%(P<0.05),仔猪初生至7日龄、初生至21日龄窝增重分别显著提高28.3%和12.5%(P<0.05);与对照组相比,试验组母猪在妊娠第98天和分娩当天血清免疫球蛋白G(IgG)含量分别提高35.3%(P<0.01)、13.0%(P>0.05),免疫球蛋白M(IgM)含量分别提高34.7%(P<0.05)、12.6%(P>0.05);与对照组相比,试验组母猪初乳中IgG含量显著提高19.0%(P<0.05),分娩后第14天常乳中IgM含量显著提高21.4%(P<0.05);与对照组相比,试验组仔猪7日龄血浆IgG、IgM含量分别显著提高11.4%和40.1%(P<0.05)。上述结果提示,母猪妊娠后期及哺乳期饲粮中连续添加2 000 mg/kg HMB,可显著提高仔猪初生重和哺乳期增重,改善母猪及仔猪免疫功能。
译  名：
Effects of Adding β-Hydroxy-β-Methylbutyrate to Sow Diets on Reproductive Performance of Sows and Growth Performance of Piglets and Their Immune Function
作  者：
LI Yongming XU Ziwei LIU Jie FENG Shanglian(Institute of Animal Science and Husbandry,Zhejiang Academy of Agricultural Sciences,Hangzhou 310021,China)
关键词：
HMB;sow;piglet;growth performance;immune function
摘  要：
This experiment was conducted to study the effects of adding β-hydroxy-β-methylbutyrate(HMB) to sow diets on reproductive performance of sows and growth performance of piglets and their immune function.Twenty crossbred pregnant sows(Landrace×Large White) were randomly allotted by parity and expected delivery date into 2 groups with 10 replicates of 1 sow.Control group was fed a basal diet,and experimental group was fed the basal diet supplemented with 2 000 mg/kg HMB.The experiment was from day 74 of gestation to day 21 after parturition.The results showed that with addition of 2 000 mg/kg HMB to late gestation and lactation sow diets,compared with the control group,birth weight of piglets born alive was increased by 14.1%(P<0.05),litter body weight at 7 and 21 days of age was increased by 16.6% and 11.7%(P<0.05),and litter body weight gain from birth to 7 days of age and from birth to 21 days of age was increased by 28.3% and 12.5%(P<0.05).On day 98 of gestation and the day of parturition,compared with the control group,the serum immunoglobulin G(IgG) content of sows was increased by 35.3%(P<0.01) and 13.0%(P>0.05),and the serum immunoglobulin M(IgM) content was increased by 34.7%(P<0.05) and 12.6%(P>0.05).Compared with the control group,colostrum IgG content was increased by 19%(P<0.05),and milk IgM content on day 14 after parturition was increased by 21.4%(P<0.05).Compared with the control group,plasma IgG and IgM contents of piglets at 7 days of age were increased by 11.4% and 40.1%(P<0.05).It is concluded that 2 000 mg/kg HMB can enhance body weight at birth and body weight gain during suckling periods of piglets,and improve immune function of sows and their suckling piglets.

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