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Neobenedenia melleni (Monogenea: Capsalidae) in ornamental reef fish imported to Brazil
Article in En | VETINDEX | ID: vti-18679
Responsible library: BR68.1
ABSTRACT
Abstract The capsalid monogenean Neobenedenia melleni is known as a lethal pathogen for captured marine teleost ornamental fish, if left untreated. This study reports the occurrence of N. melleni parasitizing four species of ornamental reef fish imported into Brazil and maintained in quarantine Arabian angelfish (Pomacanthus asfur ), yellowbar angelfish (Pomacanthus maculosus), regal angelfish (Pygoplites diacanthus), and bluecheek butterflyfish (Chaetodon semilarvatus). Ten days after the beginning of quarantine, some fish showed behavioral alterations, such as irritability, and corneal opacity, which were rapidly diagnosed to be caused by monogenean parasites by body surface scraping. The fish from the same batch were treated with two applications of 2 mg L-1 praziquantel each at an interval of four days. Seven days after the first treatment, the mucus surface of the fish was re-examined, which did not reveal the parasites presence being delivered for commercialization.
RESUMO
Resumo Neobenedenia melleni é conhecido como um parasito letal para peixes teleósteos ornamentais marinhos capturados se não tratado. Este estudo relata a ocorrência de N. melleni parasitando quatro espécies de peixes ornamentais importados para o Brazil Arabian angelfish (Pomacanthus asfur), yellowbar angelfish (Pomacanthus maculosus), regal angelfish (Pygoplites diacanthus) e bluecheek butterflyfish ( Chaetodon semilarvatus). Dez dias depois do início da quarentena, foram observados irritabilidade e opacidade na córnea dos peixes que, foram diagnosticadas com N. melleni na superfície corporal. Todos os peixes foram tratados com duas aplicações de praziquantel 2 mg L-1 em intervalo de quatro dias. Sete dias após o início do tratamento, um novo exame parasitológico foi realizado o qual não revelou a presença dos parasitos, sendo liberados para comercialização.
Key words
Full text: 1 Collection: 01-internacional Database: VETINDEX / LILACS Country/Region as subject: America do sul / Brasil Language: En Journal: R. bras. Parasitol. Vet. / Rev. Bras. Parasitol. Vet. (Online) Journal subject: Animais Dom‚sticos / Biologia Celular / Cria‡Æo de Animais Dom‚sticos / Medicina Cl¡nica / Patologia Year: 2017 / 2018 Document type: Article Country of publication: Brazil
Full text: 1 Collection: 01-internacional Database: VETINDEX / LILACS Country/Region as subject: America do sul / Brasil Language: En Journal: R. bras. Parasitol. Vet. / Rev. Bras. Parasitol. Vet. (Online) Journal subject: Animais Dom‚sticos / Biologia Celular / Cria‡Æo de Animais Dom‚sticos / Medicina Cl¡nica / Patologia Year: 2017 / 2018 Document type: Article Country of publication: Brazil