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- Als Headshaking wird bei Pferden eine Symptomatik bezeichnet, die Ausdruck eines Krankheitsgeschehens ist. (de)
- Headshaking is a behaviour displayed by horses, where the horse continuously shakes its head vertically and/or horizontally. In the 1980s it was considered a bad behaviour, but instead it turned out to be a painful medical condition. Minor head tossing is quite common in most horses as a response to insects and airborne irritants, however headshaking is a separate, severe issue. The headshaking needs veterinary attention if it occurs spontaneously with no sign of any external stimuli that may cause the motion. The behaviour is most commonly described as a vertical flicking of the head, as if an insect has flown up the animal's nostrils. Many horses also show nasal irritation and engage in rubbing or striking the muzzle off of stationary objects, such as walls and fences. The behaviour is most commonly displayed while the horse is being led, lunged, or ridden, and typically subsides while the horse is at rest. This makes riding a horse with the syndrome dangerous, as they may begin to violently toss their heads and thus, throw off the rider's balance. Because of its prevalence during exercise, many riders incorrectly attribute headshaking to a behavioural problem or to poorly fitted tack. Although other causes have been noted, the most common cause of headshaking is the neurological disorder known as trigeminal neuralgia. It has been found that many factors, such as environment, sex, and breed, contribute to the prevalence of the behaviour. Many treatments have been proposed to help control the symptoms of the condition, but a solution to cure the behaviour has yet to be found. (en)
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