Effects of Allium mongolicum Regel and Its Extract on Growth Performance and Lipid Metabolism Related Indices of Small Tail Han Sheep

ZHANG Xiuyuan, LI Shuyi, WANG Cuifang, DING He, AO Changjin

doi:10.3969/j.issn.1006-267x.2019.01.040

2019 , Vol. 31 >Issue 1: 334 - 341

DOI: https://doi.org/10.3969/j.issn.1006-267x.2019.01.040

Molecular Nutrition

Effects of Allium mongolicum Regel and Its Extract on Growth Performance and Lipid Metabolism Related Indices of Small Tail Han Sheep

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1. College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China;
2. School of Agriculture and Forestry Science and Technology, Hebei North College, Zhangjiakou 075000, China

Received date: 2018-06-29

Online published: 2019-01-16

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Abstract

This experiment was conducted to investigate effect of Allium mongolicum Regel (AMR) and its extract on growth performance and lipid metabolism related indices of small tail Han sheep. Forty healthy small tail Han sheep with the similar age and body weight (about 35 kg) were randomly divided into 4 groups with 10 sheep per group. Sheep in the control group were fed a basal diet, sheep in the experimental groups were fed the basal diet supplemented with 0.1% AMR polysaccharide (polysaccharide group), 10 g/(d·sheep) AMR meal (AMR group), 10 g/(d·sheep) filter residue from AMR extracted polysaccharide (filter residue group), respectively. The pre-experimental period lasted for 15 days, the formal experiment period lasted for 60 days. The results showed as follows:1) compared with the control group, the average daily feed intake (ADFI) of filter residue group was significantly increased (P<0.05), the ADFI of polysaccharide group and AMR group showed an increasing trend (0.05 ≤ P<0.10); the average daily gain (ADG) of AMR group and filter residue group showed an increasing trend (0.05 ≤ P<0.10), the feed to gain ratio (F/G) of three experimental groups was no significant difference (P>0.05). 2) Compared with the control group, the content of intramuscular fat (IMF) in longissimus dorsi of three experimental groups was no significant difference (P>0.05). 3) Compared with the control group, the contents of total cholesterol (TC), triglyceride (TG), high-density lipoprotein cholesterol (HDL-C) and low-density lipoprotein cholesterol (LDL-C) in serum of three experimental groups were no significant difference (P>0.05), and the serum leptin (LEP) content of three experimental groups was significantly increased (P<0.05). 4) Compared with the control group, the diacylglycerol acyltransferase 1 (DGAT1) mRNA expression of polysaccharide group and filter residue group was significantly decreased (P<0.05), the acetyl-CoA carboxylase (ACC) and stearoyl-CoA desaturase (SCD) mRNA expressions of AMR group and filter residue group were significantly decreased (P<0.05), the hormone-sensitive lipase (HSL) mRNA expression of polysaccharide group was significantly increased (P<0.05). It is concluded that AMR, AMR polysaccharide and filter residue from AMR extracted polysaccharide cannot significantly improve the growth performance and the deposition of IMF in longissimus dorsi of small tail Han sheep, but it can significant improve the serum LEP content, and can differently regulate the mRNA expression of lipid metabolism related genes.

Key words： Allium mongolicum Regel; AMR polysaccharide; small tail Han sheep; growth performance; lipid metabolism; gene

Cite this article

ZHANG Xiuyuan, LI Shuyi, WANG Cuifang, DING He, AO Changjin . Effects of Allium mongolicum Regel and Its Extract on Growth Performance and Lipid Metabolism Related Indices of Small Tail Han Sheep[J]. Chinese Journal of Animal Nutrition, 2019 , 31(1) : 334 -341 . DOI: 10.3969/j.issn.1006-267x.2019.01.040

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