Ferraz, José Bento Sterman, and Francisco Alberto de Moura Duarte. “Repeatability of Litter Characteristics from Birth to Weaning in the Large White Breed”. Pesquisa Agropecuaria Brasileira 26, no. 4 (April 1, 1991): 575–583. Accessed February 7, 2026. https://apct.sede.embrapa.br/pab/article/view/3379.