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Antimicrobial properties of Limosilactobacillus reuteri strains for control of Escherichia coli and Salmonella strains, diarrhoea cause in weaning pigs

Author

Listed:
  • Y Yoo

    (Department of Food and Nutrition, Sookmyung Women's University, Seoul, Republic of Korea)

  • J Lee

    (Department of Poultry Science, University of Georgia, Athens, GA, USA)

  • J Cho

    (Department of Animal Sciences, Chungbuk National University, Cheongju, Republic of Korea)

  • Y Yoon

    (Risk Analysis Research Center, Sookmyung Women's University, Seoul, Republic of Korea)

Abstract

This study aimed to use lactic acid bacteria isolated from piglet faeces to develop probiotics, allowing for the effective control of Escherichia coli and Salmonella. Lactic acid bacteria were isolated from the faeces of suckling piglets and identified by 16S rRNA sequencing, then examined for haemolysis; gelatinase activity; and resistance to acid, bile, and pancreatin. The antimicrobial activity of selected lactic acid bacteria isolates was examined for 8 E. coli and 7 Salmonella strains. One-hundred and sixty-four lactic acid bacteria isolates were identified from 118 piglet faecal samples, and 13 lactic acid bacteria isolates were selected from analyses of haemolysis; gelatinase activity; and resistance to acid, bile, and pancreatin. Of the selected 13 lactic acid bacteria isolates, Limosilactobacillus reuteri PF20-3 and PF30-3 strains had the highest antibacterial activity against E. coli and Salmonella.

Suggested Citation

  • Y Yoo & J Lee & J Cho & Y Yoon, 2023. "Antimicrobial properties of Limosilactobacillus reuteri strains for control of Escherichia coli and Salmonella strains, diarrhoea cause in weaning pigs," Veterinární medicína, Czech Academy of Agricultural Sciences, vol. 68(5), pages 191-199.
    • Handle: RePEc:caa:jnlvet:v:68:y:2023:i:5:id:112-2022-vetmed
    DOI: 10.17221/112/2022-VETMED
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