If you are having trouble finding horses and you are playing the PC version of Minecraft, you can summon a horse using a cheat.
Your horses will need to be close together when breeding, so we have built a fence to keep our two horses from running away.
2. Tame the Horses
Now a common mistake made when breeding horses is to try to breed wild horses. You can't breed wild horses in Minecraft. You can only breed tamed horses and both horses need to be tame to breed properly.