Can horses drink a cold one?

You can give a horse beer, but it is bad for them. Many racehorse trainers give horses beer believing in many of the old wives tales about it. Some rumors are that beer increases a horses appetite, makes them sweat more et cetera. However there are horse specific products on the market that do those things and are proven to work. Beer is classed as a stimulant by many riding associations and when a horse is drug tested, beer will show up and the horse will be disqualified for having a stimulant in it's system. Also horses cannot burp or throw up and the carbonation in beer can cause painful gas build up that may require veterinarian attention.