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当前位置: 首页 > 文章 > 甘氨酸锌对断奶仔猪生长性能、免疫指标及肠道形态的影响 动物营养学报 2010,22 (1) 176-180
Position: Home > Articles > Effects of Dietary Zinc Glycine Chelate on Growth Performance,Immunological Parameters and Intestinal Morphology in Weanling Piglets Chinese Journal of Animal Nutrition 2010,22 (1) 176-180

甘氨酸锌对断奶仔猪生长性能、免疫指标及肠道形态的影响

作  者：
王勇;钮海华;马文强;刘树全;冯杰
单  位：
浙江大学饲料科学研究所教育部动物分子营养学重点实验室
关键词：
甘氨酸锌;断奶仔猪;生长性能;免疫机能
摘  要：
本文旨在研究甘氨酸锌对断奶仔猪生长性能、免疫指标和肠道形态的影响。选用150头28日龄的杜×长×大三元杂交断奶仔猪,分成5组(每组3个重复,每个重复10头),对照组饲喂基础日粮,试验组饲喂分别在基础日粮中添加50、100和200 mg/kg甘氨酸锌(以锌计)和3 000 mg/kg氧化锌(以锌计)的日粮。饲养期为35 d。结果表明:与对照组相比,100 mg/kg的甘氨酸锌组和3 000 mg/kg的氧化锌组极显著提高了仔猪的日增重(P<0.01);100 mg/kg的甘氨酸锌组和3 000 mg/kg的氧化锌组的胰脏指数、淋巴结指数、血清中IgG、IgM、补体C3和补体C4水平以及十二指肠的绒毛高度都显著高于对照组(P<0.05),其中100 mg/kg甘氨酸锌组还显著降低了空肠的隐窝深度(P<0.05)。结果提示,饲料中添加甘氨酸锌能够促进断奶仔猪生长、提高断奶仔猪的免疫机能。
译  名：
Effects of Dietary Zinc Glycine Chelate on Growth Performance,Immunological Parameters and Intestinal Morphology in Weanling Piglets
作  者：
WANG Yong NIU Haihua MA Wenqiang LIU Shuquan FENG Jie(Key Laboratory of Molecular Animal Nutrition,Ministry of Education,College of Animal Sciences,Zhejiang University,Hangzhou 310029,China)
关键词：
Zinc glycine chelate;Weanling piglets;Growth performance;Immunological characteristics
摘  要：
This experiment was conducted to study the effects of dietary zinc glycine chelate(Zn-Gly) on growth performance,immunological parameters and intestinal morphology in weanling piglets.One hundred and fifty 28-day-old crossbred piglets(Duroc×Landrace×Yorkshire) were randomly allocated to 5 groups(3 replicates in each group and 10 piglets per replicate) and fed with basal diets supplemented with 0,50,100,200 mg/kg Zn as Zn-Gly or 3 000 mg/kg Zn as zinc oxide(ZnO).Feeding trial lasted for 35 d.The results showed as follows: compared with control group,average daily gain was significantly improved(P<0.01) for piglets fed 100 mg/kg Zn from Zn-Gly or 3 000 mg/kg Zn from ZnO;and 100 mg/kg Zn-Gly and 3 000 mg ZnO significantly improved the levels of serum IgG,IgM,C3 and C4,pancreas index,lymph index and villus height of duodenum(P<0.05);and 100 mg/kg Zn-Gly also significantly decreased crypt depth of jejunum(P<0.05).The results indicated that adding Zn-Gly into diets could improve the growth performance and the immunological characteristics of weanling piglets.

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