Campagna, Daniel Aldo, Luciana Dichio, Alfredo Ausilio, Pablo Bessón, Patricia Silvia Silva, and Luciano Spinollo. 2012. “Effect of Stocking Rate on Ecological Sustainability Measured through Standardized Indicators in a System of Outdoor Pig Production”. Archivos Latinoamericanos De Producción Animal 20 (3-4). https://ojs.alpa.uy/index.php/ojs_files/article/view/706.