Transmission among animals occurs primarily after parturition or abortion, due to the large quantity of bacteria that are spread through vaginal discharges, the placenta, and the skin of aborted fetuses Longbottom and Coulter, 2003; Rodolakis, 2001; Gutierrez et al., 2011.
La transmisión entre animales ocurre principalmente durante el parto o el aborto, debido a las bacterias que se excretan en las descargas vaginales, la placenta y la piel de los fetos abortados Longbottom y Coulter, 2003; Rodolakis, 2001; Gutierrez et al., 2011.