枯草芽孢杆菌对断奶仔猪生长性能和血浆生化参数的影响

王晓丹, 孔祥峰, 赵越, 章文明, 王占彬

doi:10.3969/j.issn.1006-267x.2019.02.016

动物营养学报 >

2019 , Vol. 31 >Issue 2: 605 - 611

DOI: https://doi.org/10.3969/j.issn.1006-267x.2019.02.016

猪与禽营养 Swine and poultry nutrition

枯草芽孢杆菌对断奶仔猪生长性能和血浆生化参数的影响

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1. 河南科技大学动物科技学院, 洛阳 471003;
2. 中国科学院亚热带农业生态研究所, 动物营养生理与代谢过程湖南省重点实验室, 长沙 410125;
3. 赢创德固赛(中国)投资有限公司, 北京 100600

王晓丹(1992-),女,河南永城人,硕士研究生,从事动物营养与饲料科学研究。E-mail:2668632718@qq.com

收稿日期: 2018-07-04

网络出版日期: 2019-02-18

基金资助

国家重点研发计划课题（2017YFD0500503）；长沙市科技计划重大专项（kq1703007）；赢创德固赛（中国）投资有限公司横向课题

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Effects of Bacillus subtilis on Growth Performance and Plasma Biochemical Parameters of Weaned Piglets

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1. College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471003, China;
2. Institute of Subtropical Agriculture, Chinese Academy of Sciences, Hunan Provincial Key Laboratory of Animal Nutrition Physiology and Metabolism Process, Changsha 410125, China;
3. Evonik Degussa(China) Co., Ltd., Beijing 100600, China

Received date: 2018-07-04

Online published: 2019-02-18

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摘要

本试验旨在研究枯草芽孢杆菌对断奶仔猪生长性能和血浆生化参数的影响。试验选取25日龄"长×大"断奶仔猪120头，适应3 d后随机分为3组，分别为空白对照组（不添加抗生素）、抗生素组（添加40 mg/kg的维吉尼亚霉素制剂，有效含量为20 mg/kg）和枯草芽孢杆菌组（添加250 g/t的枯草芽孢杆菌制剂，活菌数量≥4.0×10⁹ CFU/g），每组5个重复，每个重复8头猪。试验期42 d。结果表明：与空白对照组相比，枯草芽孢杆菌组试验第7、21和42天的体重以及试验第1~42天的平均日增重显著增加（P<0.05），试验第8~21天、第22~42天和第1~42天枯草芽孢杆菌组和抗生素组的腹泻率均显著降低（P<0.05）；与抗生素组相比，枯草芽孢杆菌组试验第22~42天的腹泻率以及试验第21天的血浆葡萄糖含量均显著降低（P<0.05），试验第42天的血浆乳酸脱氢酶和天冬氨酸转氨酶活性显著升高（P<0.05）。由此可见，饲粮添加枯草芽孢杆菌可以降低仔猪腹泻，促进仔猪生长。

关键词： 枯草芽孢杆菌; 断奶仔猪; 生长性能; 腹泻率; 血浆生化参数

本文引用格式

王晓丹, 孔祥峰, 赵越, 章文明, 王占彬 . 枯草芽孢杆菌对断奶仔猪生长性能和血浆生化参数的影响[J]. 动物营养学报, 2019 , 31(2) : 605 -611 . DOI: 10.3969/j.issn.1006-267x.2019.02.016

Abstract

This study was conducted to detemine the effects of Bacillus subtilis on the growth performance and plasma biochemical parameters of weaned piglets. A total of 120 Large White×Landrace piglets weaned at 25 days of age were randomly assigned to one of three groups:blank control group (without antibiotics), antibiotic group (supplemented with 40 mg/kg virginia mycin with 20 mg/kg of effective content), and Bacillus subtilis group (supplemented with 250 g/t Bacillus subtilis with ≥ 4.0×10⁹ CFU/g live bacteria). There were 5 replicates per group and 8 piglets per replicate. The experiment lasted for 42 d. The results showed that the body weight of Bacillus subtilis group significantly increased (P<0.05) on days 7, 21 and 42 of the experiment, as well as the average daily gain on days 1 to 42 of the experiment, while the diarrhea rate of the Bacillus subtilis and antibiotic groups significantly decreased (P<0.05) on days 8 to 21, 22 to 42 and 1 to 42 of the experiment, when compared with the blank control group. The diarrhea rate of Bacillus subtilis group on days 22 to 42 of the experiment significantly decreased (P<0.05), as well as the plasma glucose content on day 21 of the experiment, while the plasma activities of lactate dehydrogenase and aspartate transaminase of Bacillus subtilis group significantly increased (P<0.05) on day 42 of the experiment, when compared with the antibiotic group. These findings indicate that dietary supplementation with Bacillus subtilis can reduce the diarrhea rate, and then promote the growth of weaned piglets.

Key words： Bacillus subtilis; weaned piglets; growth performance; diarrhea rate; plasma biochemical parameters

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