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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