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Table 1 Scoring system by Hopster et al. [10] to evaluate the degree of ataxia, chewing, head movement and tongue activity of horses

From: Effect of butorphanol, midazolam or ketamine on romifidine based sedation in horses during standing cheek tooth removal

Score

Ataxia

Chewing/head movement/tongue activity

1

No signs of ataxia, even load on the limbs

No chewing/head movement/tongue activity

2

Mild ataxia, mild swaying, occasionally leaning against the stocks

Occasional chewing/head movement/tongue activity

3

Moderate ataxia, constant leaning against the stocks, buckling of the limbs

Continuously mild chewing/head movement/tongue activity

4

Severe ataxia constant leaning against the stocks, buckling of the limbs

Continuously severe chewing/head movement/tongue activity

5

Recumbency

No manipulation possible