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Effects of Bacillus licheniformis and Bacillus subtilis complex on growth performance and faecal noxious gas emissions in growing‐finishing pigs
Author(s) -
Lan Ruixia,
Kim In Ho
Publication year - 2018
Publication title -
journal of the science of food and agriculture
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.782
H-Index - 142
eISSN - 1097-0010
pISSN - 0022-5142
DOI - 10.1002/jsfa.9333
Subject(s) - bacillus licheniformis , bacillus subtilis , lactobacillus , food science , dry matter , zoology , chemistry , ammonia , biology , bacteria , biochemistry , fermentation , genetics
BACKGROUND Probiotics have been used to address antibiotic alternatives and environmental concerns. This study was conducted to evaluate the effects of Bacillus licheniformis and Bacillus subtilis complex supplementation on growth performance, nutrient digestibility, faecal microflora and faecal noxious gas emissions in growing‐finishing pigs. RESULTS Dietary B. licheniformis and B. subtilis complex ( B. licheniformis and B. subtilis in a 1:1 ratio) supplementation showed a linear increase ( P < 0.05) in digestibility of dry matter at weeks 6, 12 and 15, a linear increase ( P < 0.05) in digestibility of nitrogen at week 12, a linear increase ( P < 0.05) in faecal Lactobacillus counts at weeks 6 and 12, a linear decrease ( P < 0.05) in ammonia (NH 3 ) emission at weeks 6 and 12 and a linear decrease ( P < 0.05) in total mercaptan emission at weeks 3, 9 and 15. CONCLUSION Dietary B. licheniformis and B. subtilis complex supplementation increased digestibility and faecal Lactobacillus counts and decreased faecal NH 3 and total mercaptan emissions in growing‐finishing pigs. © 2018 Society of Chemical Industry

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