Isolation and characterization of pathology in case of massive mortality by Photobacterium damselae subsp. piscicida in Rachycentron canadum
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Bioscience journal (Online) |
Texto Completo: | https://seer.ufu.br/index.php/biosciencejournal/article/view/41745 |
Resumo: | This study aimed to investigate outbreak with high mortality in cultured juvenile cobia occurred in Southeast Brazil in 2011. Fish displayed retarded growth rates, lethargy, fin ulceration, skin depigmentation, corneal opacity, and physical deformities. Internally, livers were increased in volume and pale in different degrees. Firm whitish nodules were disseminated in the liver, kidney and spleen. A moderate number of parasites identified as Neobenedenia melleni were recovered from the body surface. Microscopically, severe hepatic steatosis and extensive granulomatous lesion were identified in all fish sampled. Microbiological analysis of moribund fish revealed the presence in pure culture of a Gram-negative bacterium identified as Photobacterium damselae subsp. piscicida using biochemical and molecular characteristics. Analysis of the partial 16S rRNA sequences confirmed the results demonstrating high identity (98%). The isolates were sensitive to chloramphenicol and enrofloxacin and resistant to ciprofloxacin, florfenicol, doxycycline hydrochloride, norfloxacin, oxytetracycline, and tetracycline. Chronic pasteurellosis was considered as the main problem in the farm, while hepatic steatosis and parasitic infestation may have contributed to the development of the process. |
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Isolation and characterization of pathology in case of massive mortality by Photobacterium damselae subsp. piscicida in Rachycentron canadumIsolamento e caracterização da patologia em caso de mortalidade maciça por Photobacterium damselae subsp. piscicida em Rachycentron canadum Cagespseudotuberculosisgranulomasantibiotic resistanceNeobenedenia melleniAgricultural SciencesGaiolas.PseudotuberculoseGranulomasResistência a antibióticos.This study aimed to investigate outbreak with high mortality in cultured juvenile cobia occurred in Southeast Brazil in 2011. Fish displayed retarded growth rates, lethargy, fin ulceration, skin depigmentation, corneal opacity, and physical deformities. Internally, livers were increased in volume and pale in different degrees. Firm whitish nodules were disseminated in the liver, kidney and spleen. A moderate number of parasites identified as Neobenedenia melleni were recovered from the body surface. Microscopically, severe hepatic steatosis and extensive granulomatous lesion were identified in all fish sampled. Microbiological analysis of moribund fish revealed the presence in pure culture of a Gram-negative bacterium identified as Photobacterium damselae subsp. piscicida using biochemical and molecular characteristics. Analysis of the partial 16S rRNA sequences confirmed the results demonstrating high identity (98%). The isolates were sensitive to chloramphenicol and enrofloxacin and resistant to ciprofloxacin, florfenicol, doxycycline hydrochloride, norfloxacin, oxytetracycline, and tetracycline. Chronic pasteurellosis was considered as the main problem in the farm, while hepatic steatosis and parasitic infestation may have contributed to the development of the process.Este estudo objetivou investigar um surto com alta mortalidade em cobia juvenis cultivadas na região Sudeste do Brasil em 2011. Os peixes apresentavam baixa taxa de crescimento, letargia, ulceração nas nadadeiras, despigmentação da pele, opacidade da córnea e deformidades físicas. Internamente o fígado apresentava aumentado e pálido em diferentes graus, com nódulos esbranquiçados e firmes disseminados no fígado, rins e baço. Na superfície corporal dos peixes foram observados moderado número de parasitas identificados como Neobenedenia melleni. Microscopicamente verificou-se esteatose hepática grave e extensa lesão granulomatosa em todos os peixes amostrados. A análise microbiológica dos peixes moribundos revelou a presença, em cultura pura de uma bactéria Gram-negativa identificada como Photobacterium damselae subsp. piscicida usando características bioquímicas e moleculares. A análise das sequências parciais de 16S rRNA confirmou os resultados demonstrando alta identidade (98%). Os isolados foram sensíveis a cloranfenicol e enrofloxacina e resistente a ciprofloxacina, florfenicol, cloridrato de doxiciclina, norfloxacina, oxitetraciclina e tetraciclina. A pasteurelose crônica foi considerada como o principal problema na maricultura, enquanto a esteatose hepática e a infestação parasitária podem ter contribuído para o desenvolvimento do processo.EDUFU2020-08-13info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.ufu.br/index.php/biosciencejournal/article/view/4174510.14393/BJ-v36n5a2020-41745Bioscience Journal ; Vol. 36 No. 5 (2020): Sept./Oct.; 1732-1741Bioscience Journal ; v. 36 n. 5 (2020): Sept./Oct.; 1732-17411981-3163reponame:Bioscience journal (Online)instname:Universidade Federal de Uberlândia (UFU)instacron:UFUenghttps://seer.ufu.br/index.php/biosciencejournal/article/view/41745/29634Brazil; ContemporaryCopyright (c) 2020 Marina T. Shimada, Jefferson Yunis Aguinaga, Victor A. Cueva-Quiroz, Gustavo S Claudiano, Jair R. Engrácia Filho, Jose L. P. Mouriño, Flávio Ruas de Moraes, Julieta R. Engrácia de Moraeshttps://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessShimada, Marina T.Yunis Aguinaga, JeffersonCueva-Quiroz, Victor A.Claudiano, Gustavo SEngrácia Filho, Jair R.Mouriño, Jose L. P.Ruas de Moraes, FlávioEngrácia de Moraes, Julieta R.2022-06-14T11:25:31Zoai:ojs.www.seer.ufu.br:article/41745Revistahttps://seer.ufu.br/index.php/biosciencejournalPUBhttps://seer.ufu.br/index.php/biosciencejournal/oaibiosciencej@ufu.br||1981-31631516-3725opendoar:2022-06-14T11:25:31Bioscience journal (Online) - Universidade Federal de Uberlândia (UFU)false |
dc.title.none.fl_str_mv |
Isolation and characterization of pathology in case of massive mortality by Photobacterium damselae subsp. piscicida in Rachycentron canadum Isolamento e caracterização da patologia em caso de mortalidade maciça por Photobacterium damselae subsp. piscicida em Rachycentron canadum |
title |
Isolation and characterization of pathology in case of massive mortality by Photobacterium damselae subsp. piscicida in Rachycentron canadum |
spellingShingle |
Isolation and characterization of pathology in case of massive mortality by Photobacterium damselae subsp. piscicida in Rachycentron canadum Shimada, Marina T. Cages pseudotuberculosis granulomas antibiotic resistance Neobenedenia melleni Agricultural Sciences Gaiolas. Pseudotuberculose Granulomas Resistência a antibióticos. |
title_short |
Isolation and characterization of pathology in case of massive mortality by Photobacterium damselae subsp. piscicida in Rachycentron canadum |
title_full |
Isolation and characterization of pathology in case of massive mortality by Photobacterium damselae subsp. piscicida in Rachycentron canadum |
title_fullStr |
Isolation and characterization of pathology in case of massive mortality by Photobacterium damselae subsp. piscicida in Rachycentron canadum |
title_full_unstemmed |
Isolation and characterization of pathology in case of massive mortality by Photobacterium damselae subsp. piscicida in Rachycentron canadum |
title_sort |
Isolation and characterization of pathology in case of massive mortality by Photobacterium damselae subsp. piscicida in Rachycentron canadum |
author |
Shimada, Marina T. |
author_facet |
Shimada, Marina T. Yunis Aguinaga, Jefferson Cueva-Quiroz, Victor A. Claudiano, Gustavo S Engrácia Filho, Jair R. Mouriño, Jose L. P. Ruas de Moraes, Flávio Engrácia de Moraes, Julieta R. |
author_role |
author |
author2 |
Yunis Aguinaga, Jefferson Cueva-Quiroz, Victor A. Claudiano, Gustavo S Engrácia Filho, Jair R. Mouriño, Jose L. P. Ruas de Moraes, Flávio Engrácia de Moraes, Julieta R. |
author2_role |
author author author author author author author |
dc.contributor.author.fl_str_mv |
Shimada, Marina T. Yunis Aguinaga, Jefferson Cueva-Quiroz, Victor A. Claudiano, Gustavo S Engrácia Filho, Jair R. Mouriño, Jose L. P. Ruas de Moraes, Flávio Engrácia de Moraes, Julieta R. |
dc.subject.por.fl_str_mv |
Cages pseudotuberculosis granulomas antibiotic resistance Neobenedenia melleni Agricultural Sciences Gaiolas. Pseudotuberculose Granulomas Resistência a antibióticos. |
topic |
Cages pseudotuberculosis granulomas antibiotic resistance Neobenedenia melleni Agricultural Sciences Gaiolas. Pseudotuberculose Granulomas Resistência a antibióticos. |
description |
This study aimed to investigate outbreak with high mortality in cultured juvenile cobia occurred in Southeast Brazil in 2011. Fish displayed retarded growth rates, lethargy, fin ulceration, skin depigmentation, corneal opacity, and physical deformities. Internally, livers were increased in volume and pale in different degrees. Firm whitish nodules were disseminated in the liver, kidney and spleen. A moderate number of parasites identified as Neobenedenia melleni were recovered from the body surface. Microscopically, severe hepatic steatosis and extensive granulomatous lesion were identified in all fish sampled. Microbiological analysis of moribund fish revealed the presence in pure culture of a Gram-negative bacterium identified as Photobacterium damselae subsp. piscicida using biochemical and molecular characteristics. Analysis of the partial 16S rRNA sequences confirmed the results demonstrating high identity (98%). The isolates were sensitive to chloramphenicol and enrofloxacin and resistant to ciprofloxacin, florfenicol, doxycycline hydrochloride, norfloxacin, oxytetracycline, and tetracycline. Chronic pasteurellosis was considered as the main problem in the farm, while hepatic steatosis and parasitic infestation may have contributed to the development of the process. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-08-13 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://seer.ufu.br/index.php/biosciencejournal/article/view/41745 10.14393/BJ-v36n5a2020-41745 |
url |
https://seer.ufu.br/index.php/biosciencejournal/article/view/41745 |
identifier_str_mv |
10.14393/BJ-v36n5a2020-41745 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://seer.ufu.br/index.php/biosciencejournal/article/view/41745/29634 |
dc.rights.driver.fl_str_mv |
https://creativecommons.org/licenses/by/4.0 info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by/4.0 |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.coverage.none.fl_str_mv |
Brazil; Contemporary |
dc.publisher.none.fl_str_mv |
EDUFU |
publisher.none.fl_str_mv |
EDUFU |
dc.source.none.fl_str_mv |
Bioscience Journal ; Vol. 36 No. 5 (2020): Sept./Oct.; 1732-1741 Bioscience Journal ; v. 36 n. 5 (2020): Sept./Oct.; 1732-1741 1981-3163 reponame:Bioscience journal (Online) instname:Universidade Federal de Uberlândia (UFU) instacron:UFU |
instname_str |
Universidade Federal de Uberlândia (UFU) |
instacron_str |
UFU |
institution |
UFU |
reponame_str |
Bioscience journal (Online) |
collection |
Bioscience journal (Online) |
repository.name.fl_str_mv |
Bioscience journal (Online) - Universidade Federal de Uberlândia (UFU) |
repository.mail.fl_str_mv |
biosciencej@ufu.br|| |
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1797069079205380096 |