equine pain face
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Horses may not be able to say how much it hurts with words, but researchers show their face tells all. Learn to recognise the signs of the equine pain face, also known as the equine grimace scale, with Karina Bech Gleerup.

To download The Equine Pain Face Poster, scroll down and click on the eBook link.

Recognising pain and pain intensity in horses has been a challenge for veterinarians and anaesthetists, making it difficult to assess if horses are receiving appropriate pain relief. New research, however, shows that, as happens in humans and other animals, certain facial expressions can indicate a horse is in pain, and that learning to recognise the signs is relatively easy and feasible for veterinarians, nurses and horse owners alike.

The findings follow the publication this year of two important studies. A team of researchers from Italy, Germany and the United Kingdom were first to publish a standardised pain scale based on facial expressions in horses. Similar to the Body Condition Scoring system, the Horse Grimace Scale (HGS) recommends scoring a number of different facial expressions and add them to produce a final pain-intensity score.

But team of researchers from Denmark and Sweden have followed up with another study that, not only agrees that facial expressions of pain can be appreciated in horses, but suggests an easier way for people to recognise the pain face.

The study shows that it is possible to score a ‘pain face’ as a simple yes/no (instead of scoring), and that the intensity of the expression may be sufficient. This makes Gleerup’s Equine Pain Face more applicable than the Horse Grimace Scale.

Karina Bech Gleerup, a veterinarian and lecturer from the University of Copenhagen, presented a poster of the findings at the 10th International Equitation Science Conference, Denmark.

The group of researchers have identified five key areas to watch out for:

  • ears,
  • eyes,
  • nostrils,
  • muzzle and
  • facial muscles

They also showed that learning to recognise facial expressions of pain is feasible. After a 20 minute lesson, the participants were able to successfully score a pain face (yes/no) and grade the pain intensity as ‘low’, ‘medium’ and ‘high’ with, on average, 82% accuracy.

To download The Equine Pain Face Poster, scroll down and click on the eBook link.

Gleerup says: “We think it is really important that more people learn to recognise pain in their horses.”

Although horses usually become less social when in pain, Gleerup has noticed her own horses displaying contact seeking behaviour while in pain.“This may be important for owners because contact seeking behaviour towards the people the horse trusts may be the first sign of pain” said Gleerup. “All my own research horses displayed this behaviour in a more or less obvious manner and I have seen it in patients too.”

Gleerup added that learning to recognise the equine pain face in their horses may help owners identify chronic or low grade pain at an earlier stage.

The study titled: An Equine Pain Face by Karina B Gleerup, Björn Forkman, Casper Lindegaard and Pia Andersen is open access and available here.

Download the FREE EQUINE PAIN FACE POSTER by clicking on the link below (eBook/pdf file).

Watch an interview with Karina Bech Gleerup by VetTALK.TV

Dr Karina Bech Gleerup

Dr Karina Bech Gleerup is a veterinarian who completed a PhD at the University of Copenhagen in Denmark.

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