Edwardsiella tarda outbreak affecting fishes and aquatic birds in Brazil.

ABSTRACT:

Background

Edwardsiella tarda infections are frequent causes of severe outbreaks in the fish farming industry besides representing possible zoonotic risks. However, naturally occurring outbreaks that affect various species besides fishes are seldom described.

Aim

To report an outbreak of acute mortality caused by E. tarda affecting multiple species that inhabited a natural pond in the state of São Paulo, Brazil.

Materials and methods

Three adult tilapias, three Mallard ducks and one Snow egret were necropsied and subjected to further microbiological tests. Gross and microscopic lesions were documented. The antibiotic susceptibility and phylogenetic similarities among fish and avian strains were also determined. The E. tarda species was confirmed through MALDI-TOF, par

SUBMITTER: Miniero Davies Y 

PROVIDER: S-EPMC6830998 | biostudies-literature | 2018 Dec

REPOSITORIES: biostudies-literature