ISSUE, September. Vol. 51 - 3 - 2019. Austral Journal of Veterinary Sciences, [S.l.], v. 51, n. 3, sep. 2019. ISSN 0719-8132. Available at: <http://australjvs.cl/index.php/amv/article/view/930>. Date accessed: 20 sep. 2019.