Table 1.

Percentage survival rate of B. hyodysenteriae in response to B. subtilis-derived surfactin treatment

Concentration (μg/ml)	0.5 h		1 h
	Survival rate (%)
	Mean	SD	Mean	SD
0	100a,d	0	100a	0
10	95.2a	5.1	92.4a	3.8
50	63.7b	8.3	53.1b	4.6
100	42.5bc	3.5	38.2b	7.4
250	12.8c	6.7	12.4c	5.2

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

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