Horse Bit and Bridle Welfare: The Mouth-Pain Connection

Bit-related oral pain is widespread in ridden horses but rarely recognised. Equine dental care, bit selection, and training methods all profoundly affect welfare during work.

Key Facts

Studies using pressure-sensing bits find that average rein tension during schooling frequently exceeds pain thresholds
Oral ulcers, tongue bruising, and bar lacerations are common post-competition findings in performance horses
The Ridden Horse Pain Ethogram identifies 24 pain-related behaviours that ridden horses display — most go unrecognised
Horses cannot report pain during work; behaviour changes like head shaking, tongue lolling, and resistance are often misinterpreted as disobedience
Bitless bridle systems and softer bitting can significantly improve welfare without compromising rideability in most disciplines

Welfare Considerations

Bit-related pain is one of the most pervasive and least recognised welfare problems in equestrian sport. Riders misattribute pain behaviour as temperament or disobedience, respond with stronger aids, and inadvertently increase suffering. Six-monthly equine dental care, correct bit sizing and fitting, and knowledge of the Ridden Horse Pain Ethogram are practical interventions any rider can implement. Competition rulebooks increasingly include bit and equipment welfare standards, but cultural change in how resistance is interpreted is the most important shift needed.

What You Can Do

Ensure your horse receives equine dental care at least every 6-12 months from a qualified EDT or vet
Learn the Ridden Horse Pain Ethogram to recognise pain behaviour during schooling and competition
Have your horses bit professionally fitted and checked regularly for appropriate size and placement
Consider bitless alternatives for horses showing signs of oral discomfort during work