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Table 2 Scores for the parameters tail lesion and blood freshness (modified from Zonderland et al., [12])

From: Provision of straw by a foraging tower –effect on tail biting in weaners and fattening pigs

Parameter Score Description
Tail lesion 0 No tail lesion visible
  1 Little lesions/bite marks are visible (size of a pinhead)
  2 Clearly visible wound ≤ cross section of the tail
  3 Clearly visible wound ≥ cross section of the tail without signs of inflammation (redness, swelling, heat)
  4 Clearly visible wound ≥ cross section of the tail with mild signs of inflammation (redness, swelling, heat)
  5 Clearly visible wound ≥ cross section of the tail with severe signs of inflammation (redness, swelling, heat)
Blood freshness 0 No blood visible
  1 Old dried black blood in the form of a scab
  2 Sticky dark red blood, mainly half a day to a day old
  3 Fresh bleeding wound