Sobestiansky, Jurij, et al. “Hoof Lesions and Lameness in Pedigree Swine”. Pesquisa Agropecuaria Brasileira, vol. 19, no. 10, Apr. 2014, pp. 1295-00, https://doi.org/10.1590/S1678-3921.pab1984.v19.16134.