Table 1.

Lameness grade at a walk and trot.

Grade	Description
0 (None)	No lameness is observed at a walk or trot
1 (Mild)	Lameness is present, but may only be consistently apparent at a trot
2 (Mild to moderate)	Mild lameness is obviously present at a walk and is worse at a trot
3 (Moderate)	Obvious lameness is present at both gaits
4 (Moderate to severe)	Obvious lameness is present at both gaits and may be intermittently non-weight bearing
5 (Severe)	Lameness is non-weight bearing most or all of the time