饲粮添加枯草芽孢杆菌C-3102对鹅生长性能和肠道功能的影响

IF 3.8 1区农林科学 Q1 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Poultry Science Pub Date : 2025-02-01 DOI:10.1016/j.psj.2024.104711

Guangquan Li , Huiying Wang , Xianze Wang , Lei Yang , Guangpei Xu , Daqian He

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引用次数: 0

摘要

本试验旨在初步探讨枯草芽孢杆菌C-3102 （Calsporin®）对鹅生长性能、肠道形态、表观消化率和盲肠菌群的影响。选取35日龄的三花鹅144只，随机分为3组：对照组、基础饲粮中添加30 ppm枯草芽孢杆菌组和基础饲粮中添加60 ppm枯草芽孢杆菌组。每组6个重复，每个重复8只鹅。研究包括1周的预饲期和4周的正试期。结果表明，与对照组相比，添加60 ppm枯草芽孢杆菌组最终体重和平均日增重显著提高（P < 0.05）。30 ppm和60 ppm枯草芽孢杆菌组料重比均有显著提高（P < 0.05）。此外，添加30 ppm或60 ppm枯草芽孢杆菌显著提高了回肠绒毛高度（P < 0.05），并有增加绒毛高度/隐窝深度（VH/CD）比的趋势（P < 0.05）。在消化酶活性方面，添加30 ppm和60 ppm枯草芽孢杆菌均显著提高了回肠纤维素酶和凝乳胰蛋白酶活性（P < 0.05）。此外，60 ppm枯草芽孢杆菌组显著提高了粗灰分、粗蛋白质和钙的表观消化率（P < 0.05）。微生物分析显示，枯草芽孢杆菌增加了潜在益生菌家族的丰度，如Turicibacter和丁酸产菌，包括Prevotellaceae Ga6Al。由此可见，饲粮中添加60 ppm枯草芽孢杆菌可显著提高鹅的生长性能、肠道形态和表观消化率。增加补充水平可以进一步优化这些益处。

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Impact of calsporin® (Bacillus subtilis C-3102) supplementation on growth performance and intestinal function in geese

The objective of this study was to preliminarily explore the effects of Calsporin® (Bacillus subtilis C-3102) on the growth performance, intestinal morphology, apparent digestibility, and cecal microbiota of geese. A total of 144 Sanhua geese, aged 35 days, were randomly divided into three groups: a control group, a group receiving a basal diet supplemented with 30 ppm Bacillus subtilis (B. subtilis), and a group receiving a basal diet supplemented with 60 ppm B. subtilis. Each group had six replicates, with eight geese per replicate. The study consisted of a one-week pre-feeding period followed by a four-week experimental period. The results indicated that, compared to the control group, the group supplemented with 60 ppm B. subtilis showed a significant increase in final body weight and the average daily gain (P < 0.05). Both the 30 ppm and 60 ppm B. subtilis groups exhibited significant improvements in the feed/gain (F/G) ratio (P < 0.05). Additionally, supplementation with either 30 ppm or 60 ppm B. subtilis significantly increased the height of the ileum villi (P < 0.05), with a trend towards an increased villus height to crypt depth (VH/CD) ratio (P > 0.05). In terms of digestive enzyme activity, both 30 ppm and 60 ppm B. subtilis supplementation significantly enhanced the activities of ileum cellulase and chymotrypsin (P < 0.05). Furthermore, the apparent digestibility of crude ash, crude protein, and Ca was significantly improved in the 60 ppm B. subtilis group (P < 0.05). Microbial analysis revealed that B. subtilis increased the abundance of potential probiotics bacterial families, such as Turicibacter, and butyrate-producing, including Prevotellaceae Ga6Al. In conclusion, supplementation with 60 ppm B. subtilis can significantly enhance the growth performance, intestinal morphology, and apparent digestibility of geese. Increasing the supplementation level may further optimize these benefits.

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来源期刊

Poultry Science 农林科学-奶制品与动物科学

CiteScore

7.60

自引率

15.90%

发文量

审稿时长

94 days

期刊介绍： First self-published in 1921, Poultry Science is an internationally renowned monthly journal, known as the authoritative source for a broad range of poultry information and high-caliber research. The journal plays a pivotal role in the dissemination of preeminent poultry-related knowledge across all disciplines. As of January 2020, Poultry Science will become an Open Access journal with no subscription charges, meaning authors who publish here can make their research immediately, permanently, and freely accessible worldwide while retaining copyright to their work. Papers submitted for publication after October 1, 2019 will be published as Open Access papers. An international journal, Poultry Science publishes original papers, research notes, symposium papers, and reviews of basic science as applied to poultry. This authoritative source of poultry information is consistently ranked by ISI Impact Factor as one of the top 10 agriculture, dairy and animal science journals to deliver high-caliber research. Currently it is the highest-ranked (by Impact Factor and Eigenfactor) journal dedicated to publishing poultry research. Subject areas include breeding, genetics, education, production, management, environment, health, behavior, welfare, immunology, molecular biology, metabolism, nutrition, physiology, reproduction, processing, and products.