At EPRUMA (European Platform for the Responsible Use of Medicines for Animals),the goal is always to prevent disease and maintain healthy animals, but when animals do become sick they deserve and must be treated, with ‘responsible use’ of medicines including antibiotics. Gwyn Jones, AHDB Main Board Member and Chairman of Dairy Co. And Chairman of RUMA, evaluates the benefits of an ‘as little as possible but as much as necessary’ approach, and the vital importance of a correct diagnosis and treatment course completion.