TABLE 1.

Sensitivities of various mastitic streptococcal and staphylococcal strains to concentrated lacticin 3147^a

Strain	Inhibition zoneb (mm)
Streptococcus agalactiae H	12.4 ± 0.4
Streptococcus dysgalactiae M	17.0 ± 2.0
Streptococcus uberis 1	13.0 ± 0.1
Streptococcus uberis 2	13.5 ± 0.3
Streptococcus uberis 3	14.1 ± 0.7
Streptococcus uberis 4	13.6 ± 0.3
Streptococcus uberis 5	12.1 ± 0.4
Staphylococcus aureus V	12.3 ± 2.2
Staphylococcus aureus 1	11.7 ± 1.0
Staphylococcus aureus 2	11.5 ± 0.5
Staphylococcus aureus 5	11.6 ± 1.1
Staphylococcus aureus 10	12.5 ± 1.4
Staphylococcus aureus 12	13.2 ± 1.1
Staphylococcus aureus 13	11.6 ± 1.1
Staphylococcus aureus 22	14.1 ± 1.8
Staphylococcus aureus 27	10.1 ± 0.3
Staphylococcus aureus 36	11.5 ± 0.5
Staphylococcus aureus 423	12.2 ± 0.9
Staphylococcus aureus 425	11.2 ± 0.4
Staphylococcus aureus 431	12.7 ± 1.4
Staphylococcus aureus 426	14.7 ± 2.8
Staphylococcus aureus 427	13.5 ± 0.6
Staphylococcus aureus 429	10.8 ± 1.2
Staphylococcus aureus 430	11.6 ± 2.0

^aAll staphylococci and streptococci were aerobically incubated in BHI at 37°C. All strains were obtained from Dairy Products Research Centre, Moorepark, Fermoy, County Cork, Ireland, except S. aureus V, which was obtained from the American Type Culture Collection, Rockville, Md. 

^bResults of triplicate assays.