Figure 3. a: Zone of inhibition of selected isolates of crude bacteriocin (R1, R2, and R3) (a) on E coli at pH 7 on nutrient agar; positive control showing Zone of inhibition of different antibiotics on E coli (b)

From

Antimicrobial Activity and Characteristics of Bacteriocin Producing Bacillus subtilis against Mastitis Pathogens

Juliana Maina, Julius Maina Mathara, Gideon M. Kikuvi, Eliud Wafula

American Journal of Food Science and Technology. 2021, 9(1), 20-29 doi:10.12691/ajfst-9-1-4