Rashid, M., Silventoinen, A., Gleerup, K. B. et al. 2020. Equine Facial Action Coding System for determination of pain-related facial responses in videos of horses. PLOS ONE 15(11), e0231608.
During the last decade, a number of pain assessment tools based on facial expressions have been developed for horses. While all tools focus on moveable facial muscles related to the ears, eyes, nostrils, lips, and...