<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Probiotics are considered an alternative to antibiotics in the prevention and treatment of <italic>Salmonella</italic> diseases in poultry. However, to use probiotics as proposed above, it is necessary to evaluate their properties in detail and to select the most effective bacterial strains in the application targeted. In this study, probiotic properties of new <italic>Lactobacillus</italic> sp. strains were investigated and their antimicrobial activity against 125 environmental strains of <italic>Salmonella</italic> sp. was determined using the agar slab method. Furthermore, their survival in the presence of bile salts and at low pH, antibiotics susceptibility, aggregation and coaggregation ability, adherence to polystyrene and Caco-2 cells, and cytotoxicity were investigated. Each strain tested showed antagonistic activity against at least 96% of the environmental <italic>Salmonella</italic> sp. strains and thus representing a highly epidemiologically differentiated collection of poultry isolates. In addition, the probiotic properties of new <italic>Lactobacillus</italic> strains are promising. Therefore, all strains examined showed a high potential for use in poultry against salmonellosis.</p>
</abstract>

Probiotics are considered an alternative to antibiotics in the prevention and treatment of Salmonella diseases in poultry. However, to use probiotics as proposed above, it is necessary to evaluate their properties in detail and to select the most effective bacterial strains in the application targeted. In this study, probiotic properties of new Lactobacillus sp. strains were investigated and their antimicrobial activity against 125 environmental strains of Salmonella sp. was determined using the agar slab method. Furthermore, their survival in the presence of bile salts and at low pH, antibiotics susceptibility, aggregation and coaggregation ability, adherence to polystyrene and Caco-2 cells, and cytotoxicity were investigated. Each strain tested showed antagonistic activity against at least 96% of the environmental Salmonella sp. strains and thus representing a highly epidemiologically differentiated collection of poultry isolates. In addition, the probiotic properties of new Lactobacillus strains are promising. Therefore, all strains examined showed a high potential for use in poultry against salmonellosis.

Anti-Salmonella Potential of New <italic>Lactobacillus</italic> Strains with the Application in the Poultry Industry

Polish Journal of Microbiology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Anti-Salmonella Potential of New  Strains with the Application in the Poultry Industry

Probiotics are considered an alternative to antibiotics in the prevention and treatment of Salmonella diseases in poultry. However, to use probiotics as...

Anti-Salmonella Potential of New Lactobacillus Strains with the Application in the Poultry Industry

Article Category: original-paper

Published Online: Jan 28, 2020

Page range: 5 - 18

Received: Oct 03, 2019

Accepted: Dec 02, 2019

DOI: https://doi.org/10.33073/pjm-2020-001

Keywords
sp., sp., antimicrobial activity, cytotoxicity, poultry, probiotic potential

© 2020 Justyna D. Kowalska et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Anti-Salmonella Potential of New Lactobacillus Strains with the Application in the Poultry Industry

Article Category: original-paper

Published Online: Jan 28, 2020

Page range: 5 - 18

Received: Oct 03, 2019

Accepted: Dec 02, 2019

DOI: https://doi.org/10.33073/pjm-2020-001

Keywordssp., sp., antimicrobial activity, cytotoxicity, poultry, probiotic potential

© 2020 Justyna D. Kowalska et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
sp., sp., antimicrobial activity, cytotoxicity, poultry, probiotic potential