动物营养学报2018，Vol.30Issue(1)：219-226,8.DOI:10.3969/j.issn.1006-267x.2018.01.027
酵母甘露寡糖对蒙古绵羊生长性能、血清免疫和炎症及抗氧化指标的影响
Effects of Yeast Mannan Oligosaccharides on Growth Performance, Serum Immune, Inflammatory and Antioxidant Indicators of Mongolian Sheep
摘要
Abstract
This experiment was conducted to investigate the effects of yeast mannan oligosaccharides on growth performance, serum immune, inflammatory and antioxidant indicators of Mongolian sheep. Eighteen Mongoli-an sheep with good body condition and similar body weight[(28.91 ± 1.81)kg]were randomly allotted to three groups with six sheep per group. Sheep in control group were fed a basal diet,and those in mannan oligo-saccharides group and rumensin group were fed the basal diet supplemented with 0.1% yeast mannan oligosac-charides(the supplemental level was on concentrated, the same as below)and 0.015% rumensin, respective-ly. The duration of the experiment was 70 days(the pre-test period was 10 days and the test period was 60 days). On the 1st and 30th day,dietary concentrated to forage ratio was 4:6,while on the 31st to 60th day,it was gradually turned into 7:3. On the 1st,30th and 60th day of test period, empty stomach body weight was tested and serum was collected to determine concentrations of immunoglobulin M(IgM), lipopolysaccharide binding protein(LBP),interleukin 6(IL-6),serum amyloid A(SAA)and nitric oxide(NO),total antioxi-dant capacity(T-AOC), and the activities of total superoxide dismutase(T-SOD)and glutathione peroxidase (GSH-Px). The results showed as follows:1)compared with control group,growth performance of Mongoli-an sheep(high concentrate feeding mode)was significantly increased by the addition of mannan oligosaccha-rides and rumensin, which showed significant increases in body weight(the 60th day)and average daily gain (P<0.05), and a significant decrease in feed/gain(P<0.05); furthermore on 1st to 30th day, stage daily gain in mannan oligosaccharides group was significantly higher than that in the other two groups(P<0.05), while on 31st to 60th day, rumensin group was significantly higher than control group(P<0.05). 2)Com-pared with control group, on 30th day, serum IgM concentration, LBP concentration and T-SOD activity in mannan oligosaccharides group was significantly increased(P<0.05);on 60th day,serum SAA concentration in mannan oligosaccharides group was significantly increased(P<0.05),while serum T-AOC and GSH-Px ac-tivity in mannan oligosaccharides group were significantly decreased(P<0.05), and serum T-AOC in rumen-sin group was also significantly decreased(P<0.05). It is concluded that addition of yeast mannan oligosac-charides can improve growth performance, serum immune and antioxidant functions of Mongolian sheep feed-ing high concentrate diet, and the effects are similar to rumensin; mannan oligosaccharides shows better effect when dietary concentrate to forage ratio is 4:6.关键词
酵母甘露寡糖/绵羊/生长性能/免疫/抗氧化Key words
yeast mannan oligosaccharides/sheep/growth performance/immune/antioxidant分类
农业科技引用本文复制引用
谢明欣,王海荣,杨金丽,王桂超,李晶晶,李常瑞..酵母甘露寡糖对蒙古绵羊生长性能、血清免疫和炎症及抗氧化指标的影响[J].动物营养学报,2018,30(1):219-226,8.基金项目
自治区科技创新引导奖励资金项目(20140608) （20140608）
反刍动物新型复合微生态制剂的创制与应用 （）
