中国畜牧兽医2018，Vol.45Issue(2)：415-421,7.DOI:10.16431/j.cnki.1671-7236.2018.02.016
不同添加形式的亚麻油对肉羊生长性能、屠宰性能及血清生化指标的影响
Effect of Different Linseed Oil Forms Supplementation on Growth Performance,Slaughter Performance and Serum Biochemical Indexes of Mutton Sheep
摘要
Abstract
The aim of this study was to investigate the effects of different forms of linseed oil supplementation on the growth performance,slaughter performance and serum biochemical indexes relevant to blood lipid metabolism of mutton sheep.Twenty-four F2 male lambs of heathy Dorper (♂) × Small-tailed Han sheep (♀) with similar body weight were allocated into four groups with six sheep per group according to the single-factor completely random design.The control (CON) group was fed with basal diet,the experimental group was fed with linseed oil (LO),linseed (L) and linseed oil microcapsule (LOM) with 4％ oil as equivalent added in the diet,respectively.The results showed that:①The addition of linseed and linseed oil microcapsules could improve the growth performance and slaughter performance of sheep,and the ADG of L and LOM groups were significantly higher than LO group (P＜0.05);②The backfat thickness of LOM group was significantly higher than CON and L groups (P＜0.05),while there were no significant difference of the other slaughter performance indexes among groups (P＞0.05);③The TC and LDL-C and HDL-C were significantly higher in experimental groups than that of control group (P＜0.05),and the INS concentration of L and LO groups were significantly decreased (P＜0.05),different forms of linseed oil increased the content of TG,GLU and LEP in serum,while there were no significant differences among all groups (P＞0.05);The effect of different forms of linseed oil on rumen pH was not significant (P＞0.05),nevertheless LOM group could significantly increase rumen NH3-N and MCP content (P＜0.05).In conclusion,different forms of linseed oil did not have a negative effect on blood lipid metabolism,adding linseed oil could increase serum TC,LDL-C and HDL-C,and reduce the INS concentration;Dietary direct addition of linseed oil would have a certain adverse effect on the production of sheep reducing the ADG and MCP concentration.Adding flaxseed and linseed oil microcapsules could improve the growth performance and rumen fermentation function of sheep,and the effects of the latter was better.关键词
肉羊/亚麻油/微胶囊/生长性能/屠宰性能/血清生化指标Key words
mutton sheep/linseed oil/microcapsule/growth performance/slaughter performance/serum biochemical indexes分类
农业科技引用本文复制引用
张秋旭,高爱琴,史晓雪,牛占宇,李刚,幸超,朱玉霞,张润厚..不同添加形式的亚麻油对肉羊生长性能、屠宰性能及血清生化指标的影响[J].中国畜牧兽医,2018,45(2):415-421,7.基金项目
国家自然科学基金项目(31360560) （31360560）
