The epidemiology of Clostridium perfringens type A on Ontario swine farms, with special reference to cpb2-positive isolates

Table 1 Log ₁₀ CFU/g of C. perfringens in fecal samples and the positive proportion of toxin genes

	Log₁₀(CFU/g)	Percentage of positive samples		Total No. of Samples
	Mean ± SD	Cpb2	Atyp-cpb2
Suckling pigs	5.0 ± 1.70	77	44	57
Lactating Sows	4.0 ± 1.86	26	16	57
Gestating Sows	4.3 ± 1.85	5	0	37
Weanling pigs	1.3 ± 1.87	18	7	44
Grower-finisher pigs	0.6 ± 1.24	2	5	99
Manure Pit	2.7 ± 1.82	27	17	60
Total	2.7 ± 2.38	25	15	354

ISSN: 1746-6148