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| 21. |  | BALBINOT JÚNIOR, A. A.; VEIGA, M. da; FONSECA, J. A.; VOGT, G. A.; COSTA, E. R. O.; PANISON, F. Atributos do solo e produtividade de soja afetados pela aplicação de resíduo de reciclagem de papel em um Cambissolo Háplico. In: CONGRESSO BRASILEIRO DE SOJA, 6., 2012, Cuiabá, MT. Anais... Cuiabá, MT: Embrapa, 2012. p. 1-4.| Biblioteca(s): Epagri-Sede. |
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| 22. | | BALBINOT JÚNIOR, A. A.; VEIGA, M. da; FONSECA, J. A.; VOGT, G. A. da. Produtividade de feijão e acidez do solo afetadas pela aplicação e reaplicação de resíduo de reciclagem de papel em solo ácido. In: REUNIÃO TÉCNICA CATARINENSE DE MILHO E FEIJÃO, 8., 2011, Chapecó, SC. Resumos expandidos... Chapecó, SC: Epagri, 2011.| Biblioteca(s): Epagri-Sede. |
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| 23. | | BALBINOT JÚNIOR, A. A.; VEIGA, M. da; SPAGNOLLO, E.; VOGT, G. A.; HANISCH, A. L. Atributos químicos do solo e rendimento de feijão em diferentes formas de uso do solo no inverno. In: REUNIÃO TÉCNICA CATARINENSE DE MILHO E FEIJÃO, 8., 2011, Chapecó, SC. Resumos expandidos... Chapecó, SC: Epagri, 2011.| Biblioteca(s): Epagri-Sede. |
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| 24. | | BALBINOT JÚNIOR, A. A.; VEIGA, M.; FONSECA, J. A.; VOGT, G. A.; ALBUQUERQUE, J. A.; COSTA, E. R. O. Atributos de solo e produtividade de feijão em função da aplicação de resíduo de reciclagem de papel em cambissolo muito ácido. In: REUNIÃO TÉCNICA CATARINENSE DE MILHO E FEIJÃO, 8., 2011, Chapecó, SC. Resumos expandidos... Chapecó, SC: Epagri, 2011.| Biblioteca(s): Epagri-Sede. |
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| 25. | | BALBINOT JÚNIOR, A. A.; VEIGA, M.; FONSECA, J. A.; VOGT, G. A.; ALBUQUERQUE, J. A.; COSTA, E. R. O. Aplicação de resíduo de reciclagem de papel em Cambissolo Háplico e seu efeito no solo e no cultivo de plantas. Revista Brasileira de Ciência do Solo, Viçosa, MG, v. 38, n. 1, p. 336-344, 2014.| Biblioteca(s): Epagri-Sede. |
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| 26. | | BALBINOT JÚNIOR, A. A.; VEIGA, M.; FONSECA, J. A.; VOGT, G. A.; PANISON, F. Atributo de solo e produtividade de soja afetados pela aplicação de e reaplicação de resíduos de reciclagem de papel em Latossolo Vermelho. In: CONGRESSO BRASILEIRO DE SOJA, 6., 2012, Cuiabá, MT. Anais... Cuiabá, MT: Embrapa, 2012. p. 1-4.| Biblioteca(s): Epagri-Sede. |
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| 27. | | BALBINOT JÚNIOR, A. A.; VEIGA, M.; VOGT, G. A.; SPAGNOLLO, E. Atributos de solo e produtividade de feijão após diferentes formas de uso do solo no inverno, no quinto ano de experimentação. Ciência Rural, Santa Maria, RS, v. 42, n. 3, p. 401-406, 2012. ISSN, 0103-8478| Biblioteca(s): Epagri-Sede. |
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| 28. | | BALBINOT JÚNIOR, A. A.; VOGT, G. A.; HEMP, S.; NICKNICH, W.; TREZZI, M. M. Características de plantas em genótipos de feijão preto relacionadas à habilidade competitiva com plantas daninhas. In: REUNIÃO TÉCNICA CATARINENSE DE MILHO E FEIJÃO, 8., 2011, Chapecó, SC. Resumos expandidos... Chapecó, SC: Epagri/Cepaf, 2011.| Biblioteca(s): Epagri-Sede. |
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| 29. | | BALBINOT JÚNIOR, A. A.; VOGT, G. A.; TREZZI, M. M. Integração de práticas para o manejo de plantas daninhas na cultura do milho. Scientia Agraria, Curitiba, PR, v. 12, n. 2, p. 81-87, 2011. ISSN, 1519-1125| Biblioteca(s): Epagri-Sede. |
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| 32. | | BALBINOT JÚNIOR, A. A.; VOGT, G. A.; TREZZI, M. M.; VEIGA, M. Intervalos de tempo entre a dessecação de pastagem de azevém e a semeadura de feijão, soja e milho. Scientia Agrícola, Curitiba, v. 12, n. 2, p. 89-96, 2011. ISSN, 1519-1125| Biblioteca(s): Epagri-Sede. |
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| 36. | | BERTOLDO, J. G.; COIMBRA, J. L. M.; ELIAS, H. T.; HEMP, S.; VOGT, G. A.; ROCHA, F.; STAHELIN, D. Adaptabilidade e estabilidade fenotípica para caráter tempo de cocção do feijão preto. Revista Ceres, Viçosa, MG, v. 56, n. 3, p. 315-321, 2009.| Biblioteca(s): Epagri-Sede. |
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| 39. | | CHAIMSOHN, F. P.; MACHADO, N. C.; GOMES, E. P.; VOGT, G. A.; NEPPEL, G.; SOUZA, A. M.; MARQUES, A. C. Sistemas tradicionais e agroflorestais de erva mate e impactos no desenvolvimento territorial: o Centro-sul do Paraná e Norte catarinense. In: DALLABRIDA, V. R. (Org.). Desenvolvimento territorial: políticas públicas brasileiras, experiências internacionais e a indicação geográfica como referência. São Paulo: LiberArs, 2014. p. 47-54.| Biblioteca(s): Epagri-Sede. |
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| 40. | | DALLA COSTA, M.; BALDISSERA, T. C.; WERNER, S. S.; PARIZOTTO, C.; PINTO, C. E.; VOGT, G. A. Avaliação de tolerância ao frio de acessos de Axonopus catharinensis VALLS. In: SIMPÓSIO INTERNACIONAL DE CIÊNCIA, SAÚDE E TERRITÓRIO, 5., 2019, Lages. Resumos... Lages: Uniplac, 2019.| Biblioteca(s): Epagri-Sede. |
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Registro Completo
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
16/08/2019 |
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Data da última atualização: |
16/08/2019 |
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Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
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Autoria: |
FURTADO, W. E.; CARDOSO, L.; FIGUEREDO, A. B.; MARCHIORI, N. C.; MARTINS, M. L. |
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Título: |
Histological and hematological alterations of silver catfish Rhamdia quelen highly parasitized by Lernaea cyprinacea. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Diseases of Aquatic Organisms, Oldendorf, v. 135, n. 2, p. 157-168, 2019. |
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Idioma: |
Inglês |
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Conteúdo: |
The main objective of this study was to evaluate the histological and hematological alterations of silver catfish Rhamdia quelen (Quoy & Gaimard, 1824) against intense parasitism by anchor worm Lernaea cyprinacea Linnaeus, 1758. Thirteen fish specimens were collected at the Fish Genetic Improvement Unit (Epagri/Cedap), Brazil. After acclimatization, the fish were anesthetized for blood collection, and the samples were used for counting thrombocytes, total leukocytes, differential leukocytes and for quantification of total erythrocytes. Afterwards, the animals were euthanized, the parasites removed and quantified, and the portions of the affected tegument fixed in 10% buffered formalin. All the analyzed animals were parasitized by L. cyprinacea with mean intensity of 192 specimens per fish. The hematological profile of the animals was different that reported for healthy fish. Imature leukocytes were the most abundant cells, followed by monocytes, lymphocytes, neutrophils, and periodic acid Schiff-positive granular leukocytes. A small number of neutrophils were present in the bloodstream of parasitized fish, while histological examination evidenced the accumulation of this cell type near the place of infection by the parasite. Total leukocytes correlated significantly and positively (r = 0.6, p = 0.030) with the intensity of L. cyprinacea infection and the fish weight. Histological changes included hemorrhage, liquefactive necrosis and connective tissue disarrangement, necrosis, granulomatous inflammation, mononuclear and polynuclear inflammation, as well as hyperplasia and hypertrophy oh the alarm and mucous cells. The L. cyprinacea infection intensity caused deleterious changes both in the hematological profile and the integument of R. quelen, confirming the pathogenic potential of this parasite to the affected fish species. MenosThe main objective of this study was to evaluate the histological and hematological alterations of silver catfish Rhamdia quelen (Quoy & Gaimard, 1824) against intense parasitism by anchor worm Lernaea cyprinacea Linnaeus, 1758. Thirteen fish specimens were collected at the Fish Genetic Improvement Unit (Epagri/Cedap), Brazil. After acclimatization, the fish were anesthetized for blood collection, and the samples were used for counting thrombocytes, total leukocytes, differential leukocytes and for quantification of total erythrocytes. Afterwards, the animals were euthanized, the parasites removed and quantified, and the portions of the affected tegument fixed in 10% buffered formalin. All the analyzed animals were parasitized by L. cyprinacea with mean intensity of 192 specimens per fish. The hematological profile of the animals was different that reported for healthy fish. Imature leukocytes were the most abundant cells, followed by monocytes, lymphocytes, neutrophils, and periodic acid Schiff-positive granular leukocytes. A small number of neutrophils were present in the bloodstream of parasitized fish, while histological examination evidenced the accumulation of this cell type near the place of infection by the parasite. Total leukocytes correlated significantly and positively (r = 0.6, p = 0.030) with the intensity of L. cyprinacea infection and the fish weight. Histological changes included hemorrhage, liquefactive necrosis and connective tissue disarrangement, necrosi... Mostrar Tudo |
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Palavras-Chave: |
Anchor worm; Catfish; Disease; Fish farm; Hematology; Histopathology. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02579naa a2200241 a 4500
001 1128648
005 2019-08-16
008 2019 bl uuuu u00u1 u #d
100 1 $aFURTADO, W. E.
245 $aHistological and hematological alterations of silver catfish Rhamdia quelen highly parasitized by Lernaea cyprinacea.$h[electronic resource]
260 $c2019
520 $aThe main objective of this study was to evaluate the histological and hematological alterations of silver catfish Rhamdia quelen (Quoy & Gaimard, 1824) against intense parasitism by anchor worm Lernaea cyprinacea Linnaeus, 1758. Thirteen fish specimens were collected at the Fish Genetic Improvement Unit (Epagri/Cedap), Brazil. After acclimatization, the fish were anesthetized for blood collection, and the samples were used for counting thrombocytes, total leukocytes, differential leukocytes and for quantification of total erythrocytes. Afterwards, the animals were euthanized, the parasites removed and quantified, and the portions of the affected tegument fixed in 10% buffered formalin. All the analyzed animals were parasitized by L. cyprinacea with mean intensity of 192 specimens per fish. The hematological profile of the animals was different that reported for healthy fish. Imature leukocytes were the most abundant cells, followed by monocytes, lymphocytes, neutrophils, and periodic acid Schiff-positive granular leukocytes. A small number of neutrophils were present in the bloodstream of parasitized fish, while histological examination evidenced the accumulation of this cell type near the place of infection by the parasite. Total leukocytes correlated significantly and positively (r = 0.6, p = 0.030) with the intensity of L. cyprinacea infection and the fish weight. Histological changes included hemorrhage, liquefactive necrosis and connective tissue disarrangement, necrosis, granulomatous inflammation, mononuclear and polynuclear inflammation, as well as hyperplasia and hypertrophy oh the alarm and mucous cells. The L. cyprinacea infection intensity caused deleterious changes both in the hematological profile and the integument of R. quelen, confirming the pathogenic potential of this parasite to the affected fish species.
653 $aAnchor worm
653 $aCatfish
653 $aDisease
653 $aFish farm
653 $aHematology
653 $aHistopathology
700 1 $aCARDOSO, L.
700 1 $aFIGUEREDO, A. B.
700 1 $aMARCHIORI, N. C.
700 1 $aMARTINS, M. L.
773 $tDiseases of Aquatic Organisms, Oldendorf$gv. 135, n. 2, p. 157-168, 2019.
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