Sequencing and evaluation of the antimicrobial effect of lactic acid bacteria against strains of Salmonella Tiphymurium isolated from intensive and extensive pig production

ETCHEVERRÍA, ANALÍA INÉS; RUIZ, MARÍA JULIA; MEDINA, LUIS; COLELLO, ROCÍO

ARCHIVOS DE ZOOTECNIA

UCOPress. Cordoba University Press

Año: 2019 vol. 68 p. 534 - 538

0004-0592

The intensive and extensive production of pigs in Argentina and Spain, respectively, present different production factors. However, when dealing with pathogen threats, specifically Salmonella, both are affected by them. Salmonella is a common pathogen in food related to food outbreaks that cause serious problems in public health. Lactic acid bacteria, specifically the genera Lactobacillus and Pediococcus, have been characterized in the past few years for being of great importance as antagonists of different pathogenic bacteria. One control alternative is the application of Lactobacillus throughout the pig production chain, thus preventing the arrival of this pathogen to consumers. A preliminary assessment was made of the antagonistic capacity of lactic acid bacteria identified after sequencing as Lactobacillus plantarum and Pediococcus acidilactici against Salmonella Tiphymurium isolated from intensive pig production in Argentina, and Salmonella Tiphymurium isolated from extensive pig production in Spain. The results obtained showed the high antimicrobial capacity of the LAB selected against both pathogenic strains (93.75%). Thus, they can be proposed as potential biopreservative bacteria in the production of pig meat and its subproducts.