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Table 3 The percentage of porcine ear necrosis lesions according to severity score (from 1 to 4)

From: Porcine ear necrosis in weaned piglets: prevalence and impact on daily weight gain

Weaning batch 1 2a 3a 4 5 6a Total
Total number of lesionsb 201 239 98 224 207 274 1243
Percentage distribution of the lesions (%)
Score 1 78.0 90.5 76.5 88.0 90.0 84.5 84.6
Score 2 19.0 8.0 21.5 11.5 9.5 14.5 14.0
Score 3 3.0 1.5 2.0 0.5 0.5 0.3 1.3
Score 4 0.0 0.0 0.0 0.0 0.0 0.7 0.1
  1. Data collected at the end of the nursery period in the six weaning batches
  2. aA mycotoxin detoxifier was added to the feed of weaning batches 2, 3 and 6
  3. bThe total number of lesions is the sum of the number of pigs with unilateral lesions and twice the number of pigs with bilateral lesions