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Table 1 Scores used to evaluate pigs’ gait

From: Osteochondrosis, but not lameness, is more frequent among free-range pigs than confined herd-mates

Scale Gait Criteria(s)
0 Normal No visible gait deviation
1 Irregular Tendency to abnormal stride length, or a slightly uneven weight bearing on one or more legs
2 Mild–moderate lameness Obvious deviation in weight bearing on one or more legs, with clear difficulties walking
3 Severe lameness No weight on the affected leg(s)/could not walk