香菇菌丝体多糖对肉鸡生长性能、免疫功能及抗氧化性能的影响  

Effect of polysaccharides from Lentinus edodes mycelium on growth performance,immune function and antioxidant capacity of broiler

作　　者：范思远 张海瑜 周永雨 尹秀雯 刘紫嫣 魏峰[1] FAN Si-yuan;ZHANG Hai-yu;ZHOU Yong-yu;YIN Xiu-wen;LIU Zi-yan;WEI Feng

机构地区：[1]吉林农业大学生命科学学院,吉林长春130118

出　　处：《饲料研究》2021年第23期41-44,共4页Feed Research

基　　金：吉林省科技厅重点技术攻关项目(项目编号:20190301038NY)。

摘　　要：试验旨在研究香菇菌丝体多糖对肉鸡生长性能、免疫功能及抗氧化性能的影响。选取360只1日龄AA肉鸡,随机分为4组,每组3个重复,每个重复30只。对照组肉鸡饲喂基础饲粮,试验Ⅰ组、Ⅱ组、Ⅲ组分别在基础饲粮中添加200、500、800 mg/kg的香菇菌丝体多糖。试验期21 d。结果显示,与对照组相比,试验Ⅱ组肉鸡脾脏指数、胸腺指数、法氏囊指数显著提高(P<0.05);血清白细胞介素-2 (IL-2)、白介素-4 (IL-4)、白介素-6 (IL-6)、免疫球蛋白M(IgM)、免疫球蛋白G (IgG)含量及血清超氧化物歧化酶(SOD)、谷胱甘肽过氧化物酶(GSH-Px)活性显著提高(P<0.05);平均日采食量、料重比及血清丙二醛(MDA)含量显著降低(P<0.05)。研究表明,饲粮添加香菇菌丝体多糖可提高肉鸡生长性能、免疫功能及抗氧化性能,添加量以500 mg/kg为宜。The experiment was to study the effect of polysaccharides from Lentinus edodes mycelium on growth performance, immune function and antioxidant capacity of broiler. 360 one-day-old broiler were randomly divided into four groups, with three replicates in each group and 30 broilers in each replicate. The broilers in control group were fed with basal diet, and experimental group Ⅰ, group Ⅱ and group Ⅲ added with 200, 500, 800 mg/kg polysaccharides from Lentinus edodes mycelium, respectively. The experiment lasted for 21 d. The results showed that compared with the control group, spleen index, thymus index and bursa of fabricius index of broilers in experimental group Ⅱ were significantly increased(P<0.05). Compared with the control group, the content of IL-2, IL-4, IL-6, IgG, IgM and the activity of SOD and GSH-Px of serum in experimental group Ⅱ were significantly increased(P<0.05). Compared with the control group, the feed to gain ratio, average daily feed intake and serum MDA content were significantly reduced(P<0.05). The experiment indicates that polysaccharides from Lentinus edodes mycelium can increase production performance, immune function and antioxidant capacity in broiler, the appropriate dosage of polysaccharides from Lentinus edodes mycelium is 500 mg/kg.

关 键 词：香菇 香菇菌丝体多糖 肉鸡 生长性能 免疫功能 抗氧化性能 

分 类 号：S831.5[农业科学—畜牧学]