Assessment of the Contamination of Some Foodstuffs by Escherichia coli O157 in Benin, West Africa

Table 4

Results of analyses of samples descending from the pig.

Samples	Results		Total
	Positive	Negative
Faeces
Raising farms	01 (25%)	03 (75%)	04 (100%)
Slaughterhouse	02 (100%)	00 (00%)	02 (100%)
Surfaces of carcasses
External face	01 (20%)	04 (80%)	05 (100%)
Internal face	00 (00%)	05 (100%)	05 (100%)
Intestines	00 (00%)	05 (100%)	05 (100%)
Stomachs	00 (00%)	05 (100%)	05 (100 %)
Surfaces of tables	00 (00%)	05 (100%)	05 (100%)
Surfaces of knives	00 (00%)	05 (100%)	05 (100%)
Total	04 (11,11%)	32 (88,89%)	36 (100%)