Antagonistic activity (number of inhibited pathogen strains) and pH of the LAB (bacilli, d and cocci, ) supernatants. The pH was determined in 16 h-cultures in LAPTg broth. The pathogenic microorganisms were: Salmonella dublin MP/07, Y.
enterocolitica, Escherichia coli 3511AD, Streptococcus uberis MP/06 and S. dysgalactiae
05/84 provided and Klebsiella sp. MP/05