TABLE 2.

Bacteriological results for equine fecal samples, samples of intestinal ingesta, or biopsy specimens of the intestinal wall (small intestine and large colon)

Sample(s) and Group	No. of animals
	Animals infected with β2-toxigenic C. perfringens	Animals infected with C. perfringens type A	Animals infected with C. difficile	Animals without C. perfringens and C. difficile infection
Fecal samples
I (n = 9)	2	0	3	4
II (n = 4)	2	0	1	1a
III (n = 8)	1	0	0	7
IV (n = 53)	0	1	0	52
Ingesta or biopsy samples
I (n = 9b)	6c	2	1c	1
II (n = 3)	3c	0	1c	0
III (n = 8)	5	1	2	0
IV (n = 5)	0	0	0	5

^aOne animal was infected with Salmonella typhimurium. 

^bIncludes five biopsy samples. 

^cOne animal was infected with both β2-toxigenic C. perfringens and C. difficile.