Colic Treatments For Barrel Horses help barrel racing horses at the onset of colic. The moment your horse begins to display signs of colic, you need to act fast. Information on affordable, effective colic treatments to help your barrel horse are in this section. Make sure to keep your barrel horse hydrated and never ride your horse without some feed in him or her. Soaked hay cubes are a good way to hydrate your barrel horse also and that will discourage colic too.