My horse refuses to load in the trailer — how do I work through it?

A horse that flatly refuses to load has a history with the trailer that has taught it the trailer is not worth entering — either through a frightening experience, rough handling during loading, a bad trip, or simply never having been taught with patience in the first place. The approach for a confirmed refuser requires resetting that association from the ground up rather than escalating pressure at the trailer door. Park the trailer in the horse's daily environment if possible — in or near the paddock — and feed hay or grain at the trailer entrance for several days without any loading attempt. The trailer becomes associated with food and relaxation rather than conflict. When you do begin asking the horse to load, use pressure and release at a level the horse can tolerate: ask for one step forward, release, allow the horse to stand, then ask again. A dressage whip or flag used rhythmically behind the horse creates forward pressure without requiring anyone to push from behind in a dangerous position. Long lines run through the trailer and back to the handler give forward direction without crowding. If the horse allows it, a calm confident companion that loads first is one of the most effective tools available. Every session should end with the horse calmer and closer to loading than when it started — even if full loading takes multiple sessions over several days. Patience invested here pays dividends every time you need to move this horse for the rest of its life.