Grimace scores have emerged as a vital tool in the identification and assessment of pain in mammals. These scores, derived from systematic observations of facial expressions, offer a non-invasive and objective method for evaluating pain. This article explores the development, application, and significance of grimace scores in research and veterinary practice. It delves into the historical context, methodology, and the current state of research on grimace scales, providing a comprehensive review of their efficacy and limitations. The discussion highlights the broader implications of grimace scores in enhancing animal welfare and guiding pain management strategies, while the conclusion emphasizes the need for further research and standardization in this evolving field.
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Journal of Animal Health and Behavioural Science received 38 citations as per Google Scholar report
