Skip to main content

Table 2 Antagonistic activity of potential lactic acid bacteria (LAB) probiotic strains from poultry against pathogenic bacteria by agar spot test

From: Isolation, characterization, and assessment of lactic acid bacteria toward their selection as poultry probiotics

  Inhibition ± SDa
Strain Escherichia coli Escherichia coli O157:H7 Enterococcus faecalis Salmonella Typhimurium Salmonella Enteritidis Listeria monocytogenes
I1 3 ± 0 3 ± 0 2.3 ± 0.6 2 ± 0 2 ± 0 2 ± 0
I2 3.3 ± 0.6 2 ± 0 2.5 ± 0.4 1.8 ± 0.2 1 ± 0 2 ± 0
I4 2 ± 0 1 ± 0 1.7 ± 0.7 1 ± 0 1 ± 0 2 ± 0
I5 4 ± 0 2 ± 0 3 ± 0.1 3 ± 0 2.1 ± 0.5 3 ± 1
I6 2 ± 0 2 ± 0 2.3 ± 0.7 2 ± 0 2 ± 0 2 ± 0
I8 3 ± 0.1 2 ± 0 2 ± 0.3 2 ± 1 2 ± 0 3 ± 0
I9 2 ± 0 1 ± 0.5 2 ± 0 1.5 ± 0.4 1 ± 0 1 ± 0
I12 1 ± 0 1 ± 1 1.7 ± 0.4 1.5 ± 0.1 1 ± 0 2 ± 0
I13 3.2 ± 0.5 2 ± 0 2 ± 1 2.7 ± 0.6 1.7 ± 0.2 2.3 ± 0.5
c1 2 ± 0.1 1 ± 0.7 1.7 ± 0.3 1.5 ± 0 1 ± 0.5 1 ± 0
c2 2 ± 0.5 1 ± 0 1 ± 0 1.3 ± 0.4 1 ± 0.2 1 ± 0
c3 3 ± 0.1 2 ± 0 2.1 ± 0.5 1 ± 0 2 ± 0 2 ± 0.3
c5 2.4 ± 1 2 ± 0.3 2 ± 0.8 1.3 ± 0.3 1 ± 0.1 2 ± 0.7
c9 3 ± 0 2 ± 1 2 ± 0 2 ± 0 1.7 ± 0.6 2 ± 0
c12 2 ± 0.2 1 ± 1 1.4 ± 0.3 1.5 ± 0.9 2 ± 0 2 ± 0.4
c13 2 ± 0.1 0 ± 0 1 ± 0 1 ± 0.8 1 ± 0.3 1 ± 0.2
c14 3 ± 0 1.7 ± 1 2 ± 0 1.3 ± 0.3 1 ± 0 1.4 ± 0.3
c19 4 ± 0 2 ± 0 2.7 ± 1 1 ± 0 1.6 ± 0.3 1 ± 1
  1. aValues are expressed as the mean ± SD of triplicate independent experiments