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Table 1 Case and score definitions for limb and body lesions in lactating sows

From: A cross sectional study of the prevalence, risk factors and population attributable fractions for limb and body lesions in lactating sows on commercial farms in England

Lesion Definition Score
Limb lesions   
Wounds Loss of the outer epidermis resulting in an open wound or a healing wound with a scab 0 = no lesion,
1 = <25%,
2 = 25-50%,
3 = >50% of the size of the nearest joint on the diseased limb.
Calluses 1Alopecia and hypercalcification of the skin  
Bursitis 2Fluid filled sac in the subcutaneous tissue  
Capped hock 2Bursa swelling on the point of the hock joint on the hind limb  
Body lesions   
Old scar Healed with no blood or scabs evident 0 = no scaring
1 = small scar (<2 cm)
2 = moderate scar (2-3 cm)
3 = large scar (>3 cm)
New lesion Fresh, open or healing wounds with scabs 0 = no lesion
1 = redness/soreness where the surface of the skin is not broken or a small area of broken skin/scab (<2 cm)
2 = moderate area of broken skin/scab (2-3 cm)
3 = large area of broken skin/scab (>3 cm)
  1. 1[3]
  2. 2[13]