Surveillance results of communicable swine diseases in breeding pig farms near Ulaanbaatar city. Mongolian Journal of Agricultural Sciences, [S. l.], v. 29, n. 1, p. 56–63, 2020. DOI: 10.5564/mjas.v29i1.1316. Disponível em: https://www.mongoliajol.info/index.php/MJAS/article/view/1316. Acesso em: 22 jun. 2026.