Description Oregano Magic - Poultry Treat is a health enhancing herb. This treat is 100% natural and contains no preservatives. This powerful oregano has natural antibiotic properties that can be used to support the overall health of your chickens. Oregano Magic is an effective natural alternative for medical antibiotics when fed to flock regularly. Feed 1-2 tablespoons per bird 2-3 times per week mixed in with food as a tasty treat.