饲料研究2025，Vol.48Issue(22)：18-22,5.DOI:10.13557/j.cnki.issn1002-2813.2025.22.004
饲粮中添加纤维素酶对奶牛生产性能、甲烷排放和血清生化指标的影响
Effects of dietary cellulase supplementation on production performance,methane emission,and serum biochemical indices of dairy cows
摘要
Abstract
The experiment aimed to investigate the effects of adding cellulase to the diet on the production performance,methane production,and serum biochemical indices of dairy cows.Three hundred and fifty dairy cows with similar parity and milk yield were selected and divided into two groups,with five replicates in each group and each replicate consisting of 35 cows.The control group was fed the basal diet,while the experimental group was fed the basal diet supplemented with 15 g of cellulase per cow.The pre-test period was seven days,and the formal test period was 30 days.The results showed that compared with the control group,the average daily dry matter intake of the experimental group was significantly reduced(P＜0.05),while the average daily milk production was significantly increased(P＜0.05).Methane(CH4)and carbon dioxide(CO2)emissions decreased by 4.45％and 8.31％,respectively.There were no significant differences in the concentrations of glucose(GLU),lipopolysaccharide(LPS),immunoglobulin A(IgA),immunoglobulin G(IgG),and immunoglobulin M(IgM)in the serum between the two groups(P＞0.05),though GLU content in the experimental group showed an increasing trend.On the 15th and 30th days of the experiment,the activities of serum glutathione peroxidase(GSH-Px)and total superoxide dismutase(T-SOD)in the experimental group were significantly higher than those in the control group(P＜0.05),and the content of malondialdehyde(MDA)was significantly reduced(P＜0.05).The study shows that adding cellulase to the feed can increase the milk production of dairy cows,reduce CH4 and CO2 emissions from the rumen,and enhance the body's antioxidant capacity.关键词
奶牛/纤维素酶/甲烷排放/生产性能Key words
dairy cow/cellulase/methane emission/production performance分类
农业科技引用本文复制引用
张彩霞,刘凯玉,李俊良,乌日金,祁杰,付文华,许燕苹,韩吉雨..饲粮中添加纤维素酶对奶牛生产性能、甲烷排放和血清生化指标的影响[J].饲料研究,2025,48(22):18-22,5.基金项目
内蒙古自治区重点研发和成果转化项目(项目编号:2023YFHH0107) （项目编号:2023YFHH0107）
