Unlike Shivers, signs of stringhalt are often apparent when walking forward, with most or every stride appearing abnormal. Facial twitching and tail head elevation are absent. Signs of stringhalt are also observable at the trot, while Shivers horses trot normally.

Why would a horse be shivering?

They may shiver. However, shivering is also just a perfectly normal way to warm up, so a warm horse may shiver for a short while when he is cold and be happy. ... Horses really appreciate some sort of shelter on those wet days, so they can dry off a bit and get warm.

Should I buy a horse with shivers?

No. It may not affect way of going now but it is a progressive illness. It won't pass a vetting.