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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

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.

Cite this article

WANG Heze , LI Xilong , MA Tao , DING Hongbiao . Effects of Monoglyceride Laurate Supplementation on Growth Performance, Serum Biochemical Indexes and Antioxidant Capacity of Weaned Lambs[J]. Chinese Journal of Animal Nutrition, 2021 , 33(11) : 6593 -6600 . DOI: 10.3969/j.issn.1006-267x.2021.11.057

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