Table 2.

Description of the mobility scoring system used in this study³⁴.

Score	Mobility category	Description
0	Good mobility	Walks with even weight bearing and rhythm on all four feet, with a flat back. Long, fluid strides possible
1	Imperfect mobility	Steps uneven (rhythm or weight bearing) or strides shortened; affected limb or limbs not immediately identifiable
2	Impaired mobility	Uneven weight bearing on a limb that is immediately identifiable and or/obviously shortened strides (usually with an arch to the centre of the back)
3	Severely impaired mobility	Unable to walk as fast as a brisk human pace (cannot keep up with the healthy herd) and signs of score 2