Effect of environmental enrichment on weight gain and human-animal relationship in grazing cattle. Revista Sistemas de Producción Agroecológicos, [S. l.], v. 15, n. 2, p. e-1142, 2024. DOI: 10.22579/22484817.1142. Disponível em: https://ojsunillanos.dev5.metabiblioteca.com.co/index.php/sistemasagroecologicos/article/view/1142. Acesso em: 7 mar. 2026.