Vices are uncommon in feral, free-ranging horses. In natural settings, horses graze 16 to 19 hours per day eating a wide variety of plants. Horses chew more than 30,000 bites a day, walking a few ...

Horses who crib-bite, weave and so on are often frowned upon in the equestrian world. But do some behaviours have greater effects on health than others? Professor Debra Archer FRCVS investigates ...