Probiotic characterization of indigenous lactic acid bacteria isolates from chickens to be used as biocontrol agents in poultry industry

Lactic acid bacteria (LAB) are used as probiotics to improve animal health and production. This study aimed to characterize and assess three LAB, Ligilactobacillus salivarius 1234C, Ligilactobacillus agilis 1235C and Enterococcus durans 12311C, isolated from chicken, as potential probiotic candidate...

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Bibliographic Details
Published in:Journal of food processing and preservation 2022-12, Vol.46 (12), p.n/a
Main Authors: Moretti, Ana F., Gamba, Raúl, De Antoni, Graciela, Peláez, Ángela León, Golowczyc, Marina A.
Format: Article
Language:English
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Summary:Lactic acid bacteria (LAB) are used as probiotics to improve animal health and production. This study aimed to characterize and assess three LAB, Ligilactobacillus salivarius 1234C, Ligilactobacillus agilis 1235C and Enterococcus durans 12311C, isolated from chicken, as potential probiotic candidates to improve the production parameters of commercial poultry. Resistance to gastrointestinal conditions, growth in alternative culture media, antagonistic activity against Salmonella and mycotoxigenic fungi were investigated. Additionally, the strains were added to poultry feed to evaluate their in vivo effect. The three LAB showed high survival rates after sequential gastric and intestinal conditions, demonstrated bactericidal activity against Salmonella and were able to grow in alternative culture media. Also, ligilactobacilli strains exerted fungicidal activity against mycotoxigenic fungi. In vivo assay showed that dietary supplementation of a multi‐microbe probiotic product with 107 CFU/ml significantly increased (p 
ISSN:0145-8892
1745-4549
DOI:10.1111/jfpp.17145