Dietary Bacillus subtilis-and Clostridium butyricum-based probiotics supplement improves growth and meat quality, and alters microbiota in the excreta of broiler chickens

IF 1.2 4区 农林科学 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE
Qianqian Zhang, Sungbo Cho, Sumya Qianqian Kibria, Inho Kim
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Abstract

This study investigated the effects of the multi-probiotics consisting of Bacillus subtilis (B. subtilis) and Clostridium butyricum (C. butyricum) with varying doses (0, 0.05%, 0.1%, and 0.2%) on the growth performance, nutrient digestibility, meat quality, and cecal microbes of male broiler chickens. Seven hundred and twenty Ross 308, 1-d-old male broiler chickes were distributed into 4 dietary groups. Over 35 d of feeding, the average daily gain (ADG) was linearly elevated (P < 0.05) during d1-21 and 1 to 35 as probiotic doses increased.The average daily feed intake (ADFI) tended to be linearly (P = 0.059) increased from d 22 to 35, and was improved from d 1 to 35 (P = 0.031). Ascending doses of multi-probiotics tended to (P = 0.060) reduce Clostridium perfringens counts on d 35 and prompted (P = 0.001) the proliferation of Lactobacillus. Moreover, broilers fed a 0.1% dose of multi-probiotics had a higher pH and water-holding capacity (P < 0.05) in the breast meat. In conclusion, the 0.2% multi-probiotics could boost ADG by improving ADFI and modulating the cecal microbe. The dietary 0.1% multi-probiotics contributed to better meat quality.
膳食中添加枯草芽孢杆菌和丁酸梭菌类益生菌可改善肉鸡的生长和肉质,并改变其排泄物中的微生物区系
本研究探讨了不同剂量(0、0.05%、0.1% 和 0.2%)的枯草芽孢杆菌(B. subtilis)和丁酸梭菌(C. butyricum)复合益生菌对雄性肉鸡生长性能、营养物质消化率、肉质和盲肠微生物的影响。将 720 Ross 308 只 1 日龄雄性肉鸡分为 4 个日粮组。在35天的饲养过程中,随着益生菌剂量的增加,平均日增重(ADG)在第1-21天和第1-35天呈线性上升趋势(P < 0.05),平均日采食量(ADFI)在第22-35天呈线性上升趋势(P = 0.059),在第1-35天有所改善(P = 0.031)。多种益生菌剂量的增加往往会(P = 0.060)减少第 35 天的产气荚膜梭菌数量,并促进(P = 0.001)乳酸杆菌的增殖。此外,饲喂 0.1% 复合益生菌剂量的肉鸡胸肉的 pH 值和持水能力更高(P < 0.05)。总之,0.2%的多益生菌可通过提高ADFI和调节盲肠微生物来提高ADG。日粮中添加 0.1%的多益生菌有助于提高肉质。
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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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