Research out of Sydney University has revealed welfare issues arising from the use of tight nosebands on horses. The scientists are calling for new regulations to reduce potential pain and distress from the equipment.

Professor Paul McGreevy and his colleagues undertook the study, randomly assigning 12 horses to four treatments involving a double bridle and crank noseband, common at elite dressage levels.

The study team monitored the physiological changes in the horse indicating stress. They found that heart rates were raised and the horses struggled to chew when nosebands were fitted too tightly.

McGreevy's study team said these stress responses may be a result of either the inhibition of normal behaviors, or from pain or discomfort, or a combination of the two.

Crank nosebands are buckled, padded straps developed in the 1980s. They are frequently used in equestrian sports and racehorse training today, most commonly in dressage events, where they are used with a double bridle.

McGreevy's research said modern crank nosebands could be tightened to the extent that they can compromise blood supply and may even cause nerve and bone damage. “The use of these crank nosebands and the extreme tightening of nosebands is thought to be increasing in equestrian sports, and is likely to have an impact on the welfare of the horse,” the study team noted.

David Mountford, of The British Equine Veterinary Association, has agreed that poorly-fitted or inappropriate equipment can have a negative impact on the welfare of the horse. Mountford suggested that all riding equipment should be checked for fit but warned that any bridle can cause significant discomfort and stress when in the hands of an inexperienced rider. “Over reliance on tack is not a substitute for good training.”

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