Outbreak of francisellosis (Francisella noatunensis subsp. orientalis) in cultured neon jewel cichlids Hemichromis bimaculatus from Morelos, Mexico
Por:
Lopez-Crespo, Ruben A., Martinez-Chavarria, Luary C., Lugo-Garcia, Alheli T., Romero-Romero, Laura P., Garcia-Marquez, Luis J., Reyes-Matute, Alonso
Publicada:
1 ene 2019
Resumen:
Francisellosis is a disease caused by different species of the bacterial genus Francisella and has been diagnosed in a wide variety of animals, including fish. Francisellosis in fish is characterized by the development of non-specific clinical signs as well as the presence of numerous granulomas in several organs (mainly spleen and kidney). Ten neon jewel cichlids He mi-chromis bimaculatus were submitted for diagnosis from a farm located in Morelos, Mexico. Gross examination, wet preparations, cytology, histopathology and PCR were performed. Affected fish showed lethargy, erratic swimming, imbalance and gasping. At the post mortem examination, multiple granulomas were observed in the kidney and spleen. Microscopically, granulomatous inflammation was observed in several organs. Species-specific PCR assay using DNA from the affected tissues of H. bimaculatus as a template demonstrated the presence of F. noatunensis subsp. orientalis (Fno) by amplifying a hypothetical protein gene of the Fno species. The end diagnosis of francisellosis is important for Mexican ornamental aquaculture, since it is necessary to implement measures for treatment, prevention, control and diagnosis. This is the first report of francisellosis in the neon jewel cichlid. © 2019 Inter-Research.
Filiaciones:
Lopez-Crespo, Ruben A.:
Departamento de Patologia, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autonoma de Mexico, Ciudad de Mexico, CP 04510, Mexico
Univ Nacl Autonoma Mexico, Fac Med Vet & Zootecnia, Dept Patol, Ciudad De Mexico 04510, Mexico
Martinez-Chavarria, Luary C.:
Departamento de Patologia, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autonoma de Mexico, Ciudad de Mexico, CP 04510, Mexico
Univ Nacl Autonoma Mexico, Fac Med Vet & Zootecnia, Dept Patol, Ciudad De Mexico 04510, Mexico
Lugo-Garcia, Alheli T.:
Departamento de Medicina y Zootecnia de Abejas, Conejos y Organismos Acuaticos, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autonoma de Mexico, Ciudad de Mexico, CP 04510, Mexico
Univ Nacl Autonoma Mexico, Fac Med Vet & Zootecnia, Dept Med & Zootecnia Abejas Conejos & Organismos, Ciudad De Mexico 04510, Mexico
Romero-Romero, Laura P.:
Departamento de Patologia, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autonoma de Mexico, Ciudad de Mexico, CP 04510, Mexico
Univ Nacl Autonoma Mexico, Fac Med Vet & Zootecnia, Dept Patol, Ciudad De Mexico 04510, Mexico
Garcia-Marquez, Luis J.:
Facultad de Medicina Veterinaria y Zootecnia, Universidad de Colima, Colima, CP 28100, Mexico
Univ Colima, Fac Med Vet & Zootecnia, Colima 28100, Mexico
Reyes-Matute, Alonso:
Departamento de Patologia, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autonoma de Mexico, Ciudad de Mexico, CP 04510, Mexico
Univ Nacl Autonoma Mexico, Fac Med Vet & Zootecnia, Dept Patol, Ciudad De Mexico 04510, Mexico
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