Table 3.

Percentage survival rate of the C. perfringens in response to B. subtilis-derived surfactin treatment

Concentration (μg/ml)	0.5 h		1 h
	Survival rate (%)
	Mean	SD	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

^a–cMeans within a column with no common superscript are significantly different (P <0.05)

^x–yMeans within a row with no common superscript are significantly different (P <0.05)

^dValues are expressed as mean ± SD (n = 3)