Table 2 Prevalence of histopathological lesions in ear biopsies from nursery pigs with different severity of lesions.
From: Porcine ear necrosis: characterization of lesions and associated pathogens
Farm | A (n = 30) | B (n = 30) | C (n = 29) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lesion score | 0 (n = 8) | 1 (n = 11) | 2 (n = 11) | 3 (n = 0) | 0 (n = 10) | 1 (n = 12) | 2 (n = 8) | 3 (n = 0) | 0 (n = 10) | 1 (n = 6) | 2 (n = 6) | 3 (n = 7) |
Epidermal hyperplasia | 2 | 11 | 11 | – | 5 | 12 | 8 | – | 1 | 6 | 6 | 7 |
Epidermal hyperkeratosis | 2 | 11 | 11 | – | 2 | 12 | 8 | – | 5 | 6 | 6 | 7 |
Epidermal pallor | 0 | 0 | 1 | – | 0 | 5 | 2 | – | 0 | 1 | 5 | 2 |
Epidermal separation | 0 | 8 | 5 | – | 0 | 8 | 4 | – | 0 | 4 | 6 | 7 |
Epidermal erosion | 0 | 11 | 10 | – | 0 | 11 | 8 | – | 0 | 4 | 6 | 7 |
Serocellular crust | 1 | 11 | 10 | – | 0 | 9 | 7 | – | 0 | 5 | 4 | 5 |
Bacterial microcolonies | 0 | 8 | 5 | – | 0 | 4 | 3 | – | 0 | 4 | 3 | 6 |
Inflammation neutrophils | 1 | 11 | 11 | – | 0 | 11 | 8 | – | 1 | 4 | 6 | 7 |
Dermal granulation tissue | 0 | 8 | 11 | – | 0 | 7 | 8 | – | 0 | 3 | 4 | 4 |
Vasculitis | 0 | 0 | 0 | – | 0 | 0 | 1 | – | 0 | 0 | 1 | 1 |
Thrombosis | 0 | 0 | 0 | – | 0 | 0 | 2 | – | 0 | 0 | 1 | 1 |