From: Antibacterial activity of Bacillus species-derived surfactin on Brachyspira hyodysenteriae and Clostridium perfringens
Concentration (μg/ml)
0.5Â h
1Â h
Survival rate (%)
Mean
SD
0
98.0a,x,d
2.8
95a,x
2.2
31.25
89.1a,x
9.2
83ab,x
3.8
62.5
81.3ab,x
10.3
72b,x
3.4
125
72.1ab,x
1.2
57c,y
2.1
250
68.4b,x
5.4
52c,y
7.9