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Detecting horses' sickness: in search of visible signs

By M. Hausberger, C. Fureix, C. Lesimple

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Assessing sickness in animals, by which we refer to non-specific states involving both physical discomfort and negative emotional states, is a real challenge. In this review, we demonstrate the need for clear and simple indicators of sickness in horses, a species in which suffering is largely underestimated. We provide a critical review of existing tools available to assess sickness in equids, which include composite pain scales and scores and welfare assessment scoring. Many such scales and scoring systems involve subjective assessments and lack of clear definitions. We discuss possible objective, visible indicators (qualitative and quantitative behavioural modifications and some postures) associated with sickness in horses, highlighting the two predominant modalities of expression (becoming unresponsive to environmental stimuli and "lethargic", or becoming aggressive and hostile). Much work is still needed before an agreement can be achieved on the indicators of sickness in horses; there are however signs that, even if non-specific, should attract the owners' attention on the horses' welfare states.

Publication Title Applied Animal Behaviour Science
Volume 175
Pages 41-49
ISBN/ISSN 0168-1591
DOI 10.1016/j.applanim.2015.09.005
Author Address CNRS, Ethologie Animale et Humaine UMR Universite de Rennes 1 6552, Batiment 25, Campus de Beaulieu, 263 Avenue du General Leclerc, CS 74205, 35042 Rennes Cedex,
Additional Language English
Cite this work

Researchers should cite this work as follows:

  1. Animal behavior
  2. Animals
  3. Emotions
  4. Horses
  5. Indicators
  6. Mammals
  7. Pain
  8. peer-reviewed
  9. Reviews
  10. ungulates
  11. vertebrates
  1. peer-reviewed