This training aims to highlight the importance of the tools of economic analysis in the decision-making process of the stakeholders in animal health (veterinarians, farmers, etc.). On the one hand, it allows to show the importance of theory by emphasizing economic reasoning. On the other hand, this training aims to apply economic approaches to concrete situations encountered by farmers and / or veterinarians. Indeed, animal health issues can be studied through different economic approaches, such as production economics, institutional economics, industrial economics, environmental economics, behavioral economics,…