The “Organic Pig Farming Manual” provides detailed technical guidance to support farmers in adopting sustainable livestock systems in Vietnam . It outlines requirements for site selection and housing design, including outdoor access, buffer zones, and hygienic conditions. The manual emphasizes selecting pig breeds adapted to local environments, prioritizing natural reproduction and limiting artificial interventions. Feed must meet organic standards, be free from genetically modified organisms, antibiotics, and growth promoters, while ensuring balanced nutrition. In addition, animal care and health management are based on biological approaches that respect natural behaviors. Disease prevention focuses on good husbandry practices rather than chemical treatments. Overall, the model aims to enhance food safety, protect the environment, and improve economic value for farmers. It contributes to sustainable agriculture by promoting ecological balance, animal welfare, and long-term productivity in organic livestock systems.