PRIMEIRO RELATO DE Francisella noatunensis SUBESPÉCIE ORIENTALIS NO SUL DO BRASIL - RELATO DE CASO (First report of Francisella noatunensis subspecies orientalis in southern of Brazil - Cause Report)

The systemic visceral granuloma or franciselose is caused by Francisella noatunensis subspecies orientalis and F. noatunensis subspecies noatunensis. In Brazil, the first Francisella outbreak of Nile tilapia (Oreochromis niloticus) was recorded in the winters of 2012 and 2013 in the state of Minas Gerais. However, nothing was observed in the other producing regions. The aim of this study was to diagnose the causative agent of mortality Nile tilapia (Oreochromis niloticus) in a production unit in the state of Santa Catarina. For a mortality outbreak in September 2015, we were evaluated 35 Tilapia for the presence of parasites, microbiological evaluation and analysis of the polymerase chain reaction. After analysis, it was registered the presence of F. noatunensis subspecies orientalis, the first reported in southern Brazil