Table 1.

Description of the lameness scoring scale applied to access lameness in sows

SCORE	Description
0	Normal ability to stand and move; symmetrical limb movements
1	Normal ability to stand and move; legs bearing weight similarly but compromised movement
2	Moderately lame: obviously reduced ability to stand; movement diminished or difficult; unwillingness to bear weight on affected leg(s); frequent weight shifting
3 (Not fit for transport)	Severely lame: compromised ability to stand and move; one or more nonweight-bearing limbs, often with swollen joints; stiffness; frequent vocalizations if made to move.

Scale modified from Karlen et al., 2007.