Q What is the latest theory about that annoying habit of head-shaking in horses? I have a warmblood who does this and it is getting worse. I have tried all the usual remedies to no effect. A The cause ...

For horses (and horse owners) who struggle with it, trigeminal nerve-mediated head-shaking can be a challenge. Horses who shake their heads may do so for a variety of reasons, but the most common ...