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Effect of supplementation of a Bacillus-based probiotic on broiler growth performance

Published on: 04/19/2019
Author/s : Alain RIGGI*¹, Anis HEDHLI¹, Douglas CURRIE², Eric AUCLAIR¹, Ruth RASPOET¹. ¹ Phileo - Lesaffre Animal Care; ²Roslin Nutrition Ltd

Abstract Since the ban of using antibiotic growth promoters (AGPs) in livestock in several countries, probiotics have been considered as possible alternative. Spore forming bacteria that belong to Bacillus species are one of those probiotics selected for their ability to resist adverse environmental and nutritional conditions such as, low pH in the stomach and high temperature of the feed manufac...

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April 19, 2019

Dr. Alain, the strain of Bacillus used produces the enzyme BSH, like some strains of Lactobacillus? In case it does, its use in diets containing oil, could not compromise the performance of chickens?

Alain Riggi Alain Riggi
Global Poultry manager
Phileo by Lesaffre Phileo by Lesaffre
Nord-Pas-de-Calais, France
April 24, 2019

Two of the strains, B amilolyquifaciens and B pumilus, in the Microsaf probiotic mix indeed have bile salt hydrolase activity. With respect to your question, if presence of this activity would influence broiler production yield when feeding a diet with acid, we speculate that this is not the case like for the lactobacilli having this activity. The bacilli in the Microsaft mix are all treated with our patented GO-technology® which ensures germination of the spores will take place once they encounter freely available water, even in the presence of acids from the diet.

April 24, 2019

Thank you. I appreciate the clarifications.

April 24, 2019

Dr. Alain, as far as my question is concerned, I would like to clarify that I was not referring to diets with the addition of acid, but with vegetable oil.

August 15, 2019

How does the probiotics given added to the feed or formulated diet including the probiotics?

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