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

WANG Xiaodan, KONG Xiangfeng, ZHAO Yue, ZHANG Wenming, WANG Zhanbin

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

Chinese Journal of Animal Nutrition >

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

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

Molecular Nutrition

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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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

Cite this article

WANG Xiaodan, KONG Xiangfeng, ZHAO Yue, ZHANG Wenming, WANG Zhanbin . Effects of Bacillus subtilis on Growth Performance and Plasma Biochemical Parameters of Weaned Piglets[J]. Chinese Journal of Animal Nutrition, 2019 , 31(2) : 605 -611 . DOI: 10.3969/j.issn.1006-267x.2019.02.016

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