Table 5

Main histological findings in 51 diarrhoeic (D) and 50 non-diarrhoeic (ND) piglets
Histological findings Herd 1 Herd 2 Herd 3 Herd 4 In total
D ND D ND D ND D ND D ND
n=13 n=13 n=11 n=12 n=14 n=13 n=13 n=12 n=51 n=50
(%) (%) (%) (%) (%) (%) (%) (%) (%) (%)
Small intestine
Villous atrophy 62* 8 82* 8 71* 0 38 33 63 12
Neutrophil infiltration 38 38 55 25 21 15 23 50 33 32
Epithelial lesions 15 15 36* 0 21 0 8 8 20 6
Mucosal necrosis 8 0 0 0 0 0 15 0 6 0
Large intestine1
Epithelial lesions 17 15 55* 8 46 22 15 0 33 11
Mucosal necrosis 0 0 0 0 0 0 8 0 2 0

1: In 2 diarrhoeic and 4 non-diarrhoeic piglets samples from colon were missing or autolytic and therefore not included in the analysis.

*denotes statistically significant positive associations with diarrhoea within herds (one-sided Fisher’s exact test (α=0,05)). Findings having a statisticallly significant association with diarrhoea across herds are presented in bold.

Kongsted et al.

Kongsted et al. BMC Veterinary Research 2013 9:206   doi:10.1186/1746-6148-9-206

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