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In 16 dairy herds, a lameness scoring system which was reasonably quick and easy to use was evaluated with regard to reliability and repeatability. The ultimate aim was to include it into an on-farm welfare assessment protocol. Locomotion scores in individual cows (n = 206) were significantly correlated with the heel and sole disorder indices obtained at routine claw trimmings (e.g. index for hind limb lesions: r(s) = 0.40, p = 0.0001 ; Spearman Rank Correlation Coefficients). The inclusion of lesions caused by digital dermatitis increased correlation coefficients when hind limbs and all four feet were considered (r(s) = 0.47/0.50). The inter-observer repeatability of locomotion scores in individual cows was high, and the variation between observers was low when calculated as a percentage of animals within each scoring class. Thus the locomotion scoring system proved to be a useful tool for assessing lameness, and as such a valuable part of on-farm welfare assessment in dairy cattle. It is recommended that scoring be performed at least twice during the housing period.
Winckler et al. (Mon,) studied this question.