Will an Omega-3 Fat Supplement Help My Horse'r Allergies? A horse owner asks how omega-3s might help her hives-afflicted horse and if adding a fat supplement will imbalance his diet. By Clair Thunes, PhD | May 11, 2020 https://thehorse.com/164293/will-an-omega-3-fat-supplement-help-my-horses-allergies/