The effect of a multi-carbohydrase enzyme and yeast-derived product on intestinal microbiome structure, activity, and gut function of turkeys

IF 1.2 4区 农林科学 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE
A. Rogiewicz, A. Józefiak, D. Mikulski, J. Juśkiewicz, Z. Zduńczyk, J. Jankowski, D. Józefiak, R. Patterson, B. Slominski
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引用次数: 0

Abstract

Abstract The effect of a multi-carbohydrase (E) and its combination with an enzymatically modified yeast cell wall (Y) on the ileal and cecal microbiota and on gut function of turkeys was studied. The experimental diets, including the control (C), C + E, and C + E + Y, were fed to seven replicate pens of four birds from 22 to 56days of age. The addition of E + Y resulted in a significant decrease in the relative abundance of Firmicutes and a significant increase of Actinobacteria in ileal digesta. A significant decrease in the abundance of Firmicutes was not followed by the abundance of Ruminococcaceae, one of the butyrate-producing bacteria. This coincided with a significantly increased concentration of butyrate in the ileal digesta and the proportion of butyrate within the total short-chain fatty acids (SCFA). As opposed to the ileum, the addition of E or E + Y did not affect the relative abundance of Firmicutes in ceca. The higher content of SCFA in the cecal digesta than in the ileum would reflect differences in microbial activities in both compartments, and possible increased SCFA absorption from the ileum. Overall, the positive effects of enzyme and yeast bioactive supplements on bacterial communities appeared to be more pronounced in the small intestine.
多种碳水化合物酶和酵母衍生产品对火鸡肠道微生物组结构、活性和肠道功能的影响
摘要研究了复合糖酶(E)及其与酶修饰酵母细胞壁(Y)联合使用对火鸡回肠和盲肠微生物群及肠道功能的影响。试验饲粮为对照(C)、C + E和C + E + Y,分别饲喂4只22 ~ 56日龄鸡的7个重复栏。E + Y的添加导致回肠食糜中厚壁菌门的相对丰度显著降低,放线菌门的相对丰度显著增加。厚壁菌门丰度的显著下降并没有伴随着瘤胃球菌科(一种丁酸产生菌)的丰度下降。这与回肠食糜中丁酸盐浓度和总短链脂肪酸(SCFA)中丁酸盐的比例显著增加相吻合。与回肠相反,添加E或E + Y不影响盲肠中厚壁菌的相对丰度。盲肠食糜中短链脂肪酸的含量高于回肠,这可能反映了两个食糜中微生物活动的差异,并可能增加了回肠对短链脂肪酸的吸收。总的来说,酶和酵母生物活性补充剂对细菌群落的积极影响似乎在小肠中更为明显。
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来源期刊
Canadian Journal of Animal Science
Canadian Journal of Animal Science 农林科学-奶制品与动物科学
CiteScore
2.30
自引率
0.00%
发文量
51
审稿时长
6 months
期刊介绍: Published since 1957, this quarterly journal contains new research on all aspects of animal agriculture and animal products, including breeding and genetics; cellular and molecular biology; growth and development; meat science; modelling animal systems; physiology and endocrinology; ruminant nutrition; non-ruminant nutrition; and welfare, behaviour, and management. It also publishes reviews, letters to the editor, abstracts of technical papers presented at the annual meeting of the Canadian Society of Animal Science, and occasionally conference proceedings.
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