Table 1 Description of different stages of bovine digital dermatitis lesion using “M scores”.
M-score | Descriptor |
|---|---|
M0 | Normal skin |
M1 | Early stage, small (< 2 cm) focal active state. The surface is moist and ragged with mottled red-grey |
M2 | Classical ulcerative active stage, usually large (> 2 cm across). Painful upon palpation |
M3 | Healing stage after antibiotic treatment. The ulcerated surface is covered by dry black scab |
M4 | Chronic stage. The hyperkeratotic lesion can have a proliferative aspect |
M4.1 | Chronic stage with small active M1 focus |