Similarly, subspecies identification has not been carried out in cases of S.dysgalactiae infection associated with high mortality in amberjack (Seriola dumerili) and yellowtail (Seriola quinqueradiata) [13], and with polyarthritis in dairy goats [3]. In summary, exhaustive epidemiological data about S.equisimilis infection in animals are not available and, despite the fact that it is considered by some authors as an opportunistic pathogen, specific and definitive studies have been not carried out