Caldas ED, Michelon A, Foppa L, Simonelli SM, Pierozan CR, Dario JGN, Duarte JVS, Silva CCR, Silva CA. Effect of stocking density and use of environmental enrichment materials on the welfare and the performance of pigs in the growth and finishing phases. Span. j. agric. res. [Internet]. 2020Dec.30 [cited 2026Jul.31];18(4):e0504. Available from: https://sjar.revistas.csic.es/index.php/sjar/article/view/15946