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月桂酸单甘油酯对断奶羔羊生长性能、血清生化指标及抗氧化能力的影响

  • 王贺泽 ,
  • 李习龙 ,
  • 马涛 ,
  • 丁宏标
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  • 中国农业科学院饲料研究所, 北京 100081
王贺泽(1996-),女,河南南阳人,硕士研究生,从事动物营养与饲料科学研究。E-mail:wangheze2018@163.com

收稿日期: 2021-03-30

  网络出版日期: 2021-11-10

基金资助

国家重点研发计划政府间重点专项(2018YFE0111800,2017YFD0500502);农业农村部饲料生物技术重点实验室开放课题;中国农业科学院创新工程

Effects of Monoglyceride Laurate Supplementation on Growth Performance, Serum Biochemical Indexes and Antioxidant Capacity of Weaned Lambs

  • WANG Heze ,
  • LI Xilong ,
  • MA Tao ,
  • DING Hongbiao
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  • Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China

Received date: 2021-03-30

  Online published: 2021-11-10

摘要

本试验旨在研究月桂酸单甘油酯(GML)对断奶羔羊生长性能、血清生化指标及抗氧化能力的影响。试验选取36只健康、平均体重(11.46±0.88) kg、(40±5)日龄的断奶羔羊,按照体重相近的原则随机分成3组,即对照组(CON组)、GML组、SOL组,每组3个重复,每个重复4只。CON组饲喂基础饲粮,GML组饲喂基础饲粮+1.84 g/kg GML制剂(GML含量≥93%),SOL组饲喂基础饲粮+3 g/kg喜利多(GML含量≥57%,月桂酸双甘油酯含量≥6%,丁酸甘油酯含量≥14%)。试验期共45 d,其中预试期3 d,正试期42 d。结果表明:与CON组相比,饲粮中添加GML可以显著提高试验第15~42天时断奶羔羊的平均日增重(P<0.05),显著提高试验第42天时断奶羔羊的胸围(P<0.05)。与CON组和SOL组相比,饲粮中添加GML显著降低了断奶羔羊血清中甘油三酯(TG)含量(P<0.05),显著提高了血清中高密度脂蛋白胆固醇(HDL-C)含量、谷胱甘肽过氧化物酶(GSH-Px)活性和总抗氧化能力(T-AOC)(P<0.05)。综上所述,饲粮中添加GML可以提高断奶羔羊的生长性能,同时还可以改善断奶羔羊的脂质代谢,提高抗氧化能力。

本文引用格式

王贺泽 , 李习龙 , 马涛 , 丁宏标 . 月桂酸单甘油酯对断奶羔羊生长性能、血清生化指标及抗氧化能力的影响[J]. 动物营养学报, 2021 , 33(11) : 6593 -6600 . DOI: 10.3969/j.issn.1006-267x.2021.11.057

Abstract

This experiment was conducted to investigate the effects of glycerol monolaurate (GML) supplementation on growth performance, serum biochemical indexes and antioxidant capacity of weaned lambs. A total of 36 healthy (40±5)-day-old weaned lambs with the average body weight of (11.46±0.88) kg were randomly divided into 3 groups:control group (CON group), GML group and SOL group, with 3 replicates per group and 4 lambs per replicate. Weaned lambs in the CON group were fed a basal diet, weaned lambs in the GML group were fed the basal diet+1.84 g/kg GML preparation (GML content ≥ 93%), and the others in the SOL group were fed the basal diet+3 g/kg solider (GML content ≥ 57%, diglyceride laurate content ≥ 6%, and tributyrin content ≥ 14%). The experimental period was 45 days including 3 days of adaptation period and 42 days of formal period. The results showed as follows:compared with the CON group, the supplementation of GML could significantly increase the average daily gain of weaned lambs from day 15 to 42 of the experiment (P<0.05), and significantly increase the heart girth on the day 42 of the experiment (P<0.05). Compared with the CON group and the SOL group, the supplementation of GML significantly decreased serum triglyceride (TG) content (P<0.05), and significantly increased serum high density lipoprotein cholesterol (HDL-C) content, glutathione peroxidase (GSH-Px) activity and total antioxidant capacity (T-AOC) (P<0.05). In conclusion, the supplementation of GML can improve the growth performance of weaned lambs, and GML also has positive effects on the lipid metabolism and antioxidant capacity of weaned lambs.

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