酿酒酵母培养物对奶牛血清指标、免疫因子及瘤胃微生物的影响
Effects of Saccharomyces Cerevisiae Culture on Serum Indexes,Immune Factors and Rumen Microorganisms of Dairy Cow
白延琴 1李锋军 2刘超 2王文盼 3辛亚平4
作者信息
- 1. 陕西省延安市子长市杨家原则镇人民政府,陕西 延安 717304
- 2. 陕西省洛川县畜牧兽医服务中心,陕西 洛川 727400
- 3. 西安鑫汉宝生物科技有限公司,陕西 鄠邑 710300
- 4. 西北农林科技大学动物科技学院,陕西 杨凌 712100
- 折叠
摘要
[目的]为探讨酿酒酵母培养物对泌乳牛血清指标、免疫因子及瘤胃微生物的影响;[方法]采用单因子配对试验设计方法.[结果]试验组血清白蛋白含量(40.68)显著高于对照组(40.07,P＜0.05),添加酿酒酵母培养物(sc)血清白蛋白含量,谷丙转氨酶、总蛋白、β-羟基丁酸平均值(29.92、74.10、0.32)显著低于对照组(30.60、77.47、0.37,P＜0.05),降低了奶中体细胞的数量,提高机体免疫力;试验组瘤胃液中的菌群多样性逐渐增加(P＜0.05)奶牛瘤胃菌群的相对丰度发生了变化,降低了变形菌门和厚壁菌门的比例,增加了拟杆菌门的比例;[结论]日粮中添加 SC 增加了血清白蛋白含量,降低了谷丙转氨酶、总蛋白、β-羟基丁酸值,提高了机体免疫力、增强了肝细胞保护力,降低了奶中体细胞数量;降低了变形菌门和厚壁菌门的比例,增加了拟杆菌门的比例.
Abstract
[Objective]The effects of Saccharomyces cerevisiae culture on serum indexes,immune factors and rumen microorganisms of lactating cow was investigated.[Methods]The single factor paired experimental design method was used.[Results]The serum albumin content of the experimental group(40.68)was significantly high-er than that of the control group(40.07,P＜0.05).The serum albumin content,average values of alanine amin-otransferase,total protein and β-hydroxybutyric acid(29.92,74.10,0.32)was significantly lower than those of the control group(30.60,77.47,0.37,P＜0.05)when added with Saccharomyces cerevisiae culture(sc).SC increased the content of serum albumin,while decreased the number of somatic cells in milk and improved the body's immunity.The microbial diversity in rumen fluid of the experimental group gradually increased(P＜0.05).The relative abundance of rumen bacteria in dairy cows changed,reducing the proportion of Proteobacteria and Firmicutes and increasing the proportion of bactericides.[Conclusion]The supplementary of SC to the diet in-creased the content of serum albumin and decreased alanine aminotransferase,total protein and β-hydroxybutyric acid value,improved the immunity system,enhanced liver cell protection,and reduced the number of somatic cells in milk.The proportion of Proteobacteria and firmicutes was reduced,and the proportion of Bacteroides was in-creased.
关键词
酵母培养物/奶牛/血清指标/免疫因子/瘤胃微生物Key words
yeast culture/dairy cow/serum indicator/immune factor/rumen microorganism引用本文复制引用
出版年
2024
国家科技期刊平台
NSTL
万方数据