Table 3.

Distribution of Salmonella serotypes from pigs and the environmental samples at farm and slaughter^a

Serotype identified	No. (%) of each type of isolate with each serotype
	Farm				Slaughter
	ABF		Conventional		ABF		Conventional
	Pigs (n = 5)	Environment (n = 14)	Pigs (n = 189)	Environment (n = 439)	Carcasses (n = 86)	Environment (n = 63)	Carcasses (n = 197)	Environment (n = 97)
S. Agona	0	0	0	0	1 (1.1)	0	1 (0.5)	0
S. Anatum	3 (60)	3 (21.4)	30 (15.8)	53 (12)	9 (10.4)	18 (28.5)	6 (3)	15 (15.4)
S. Braenderup	0	0	0	1 (0.2)	3 (3.4)	0	0	0
Salmonella enterica serovar Cerro	0	0	12 (6.3)	3 (0.6)	0	0	0	0
S. Derby	0	0	4 (2.1)	31 (7)	5 (5.8)	0	70 (35.5)	1 (1)
S. Give	2 (40)	6 (42.8)	0	0	3 (3.4)	0	0	0
S. Heidelberg	0	0	0	17 (3.8)	0	0	0	0
S. Infantis	0	0	31 (16.4)	61 (13.8)	34 (39.5)	38 (60.3)	13 (6.5)	47 (48.4)
S. Inverness	0	0	0	2 (0.4)	13 (15.1)	0	0	0
Salmonella enterica serovar Johannesburg	0	0	0	1 (0.2)	0	0	5 (2.5)	0
S. London	0	0	0	3 (0.6)	0	3 (4.7)	0	2 (2)
Salmonella enterica serovar Mbandaka	0	0	2 (1)	2 (0.4)	0	0	3 (1.5)	1 (1)
S. Muenchen	0	0	3 (1.5)	0	11 (12.7)	0	0	0
S. Newport	0	0	0	1 (0.2)	3 (3.4)	0	0	0
S. Ohio	0	0	20 (10.5)	24 (5.4)	0	0	6 (3)	1 (1)
S. Ouakam	0	0	23 (12.1)	41 (9.3)	0	0	8 (4)	0
S. Rissen	0	0	6 (3.1)	39 (8.8)	0	0	1 (0.5)	0
Salmonella enterica serovar Rough_O:r:1,5	0	0	0	0	0	1 (1.5)	9 (4.5)	0
Salmonella enterica serovar Schwarzengrund	0	0	0	2 (0.4)	0	0	0	0
Salmonella enterica serovar Senftenberg	0	0	4 (2.1)	2 (0.4)	0	0	1 (0.5)	0
S. Typhimurium	0	3 (21.4)	54 (28.5)	154 (35)	1 (1.1)	3 (4.7)	73 (37)	30 (30.1)
S. Typhimurium Var 5	0	2 (14.2)	0	0	0	0	1 (0.5)	0
6,7, nonmotile	0	0	0	2 (0.4)	0	0	0	0
III_44:z4,z32:-	0	0	0	0	3 (3.4)	0	0	0

^an = 1,090.