Table 2 Histopathological findings in duodenum ± jejunum and colon from control to PWD mink kits, respectively

Duodenum + jejunum

 Vacuolization (hydropic degeneration) of enterocytes (+/−)

8/12

1/19

0.02

 Coccoid bacteria attached to enterocytes (+/−)

16/4

1/19

< 0.0001

 Rod-shaped bacteria attached to enterocytes (+/−)

4/16

0/20

0.11

 Infiltration of neutrophils in villi (high/low)

9/11

14/6

0.11

 Infiltration of mononuclear cells (+/−)

0/20

0/20

–

 Eosinophilic bodies in enterocytes (+/−)

2/18

12/8

0.001

 Atrophy of villi (+/−)

4/16

0/20

0.11

 Fusion of villi (+/−)

5/15

0/20

0.05

 Number of mitosis [mean, (standard deviation)]

66.3 (30.3)

39.8 (20.9)

0.003

Colon

 Vacuolization (hydropic degeneration) of enterocytes (+/−)

11/9

1/19

0.001

 Infiltration of mononuclear cells (+/−)

3/17

1/19

0.61

 Eosinophilic bodies in enterocytes (+/−)

2/18

4/16

0.66

 Atrophy of the mucosa (+/−)

9/11

1/19

0.01