Table 2.

Detection of Clostridium spp. in small intestinal biopsy samples by histology and culture (all confirmed as C. perfringens by mass spectrometry using MALDI‐TOF) in the 10 individual patients with acute hemorrhagic diarrhea syndrome. The first duodenal biopsy was taken with a sterile forceps and submitted for bacterial culture

Dog Number	1	2	3	4	5	6	7	8	9	10
Histology duodenum	+	+	−	+	−	−	+	+	−	+
Culture duodenum	Ne	+	+	+	+	−	−	+	−	+
Histology ileum	−	+	−	Ne	+	+	Ne	+	+	−
Either histology or culture	+	+	+	+	+	+	+	+	+	+

+, visualization of large rod‐shaped bacteria/culture of C. perfringens; −, no visualization of large rod‐shaped bacteria/no culture of C. perfringens; Ne, not evaluated.