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dc.contributor.author
Garcia, L. O.
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Becker, A.G.
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Bertuzzi, T.
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Cunha, M. A.
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Kochhann, D.
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Finamor, I. A.
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Riffel, A. P. K.
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Llesuy, Susana Francisca
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Pavanato, M. A.
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Baldisserotto, B.
dc.date.available
2019-01-07T16:58:05Z
dc.date.issued
2011-05
dc.identifier.citation
Garcia, L. O.; Becker, A.G.; Bertuzzi, T.; Cunha, M. A.; Kochhann, D.; et al.; Oxidative stress parameters in silver catfish (Rhamdia quelen) juveniles infected with Ichthyophthirius multifiliis and maintained at different levels of water pH; Elsevier Science; Veterinary Parasitology; 178; 1-2; 5-2011; 15-21
dc.identifier.issn
0304-4017
dc.identifier.uri
http://hdl.handle.net/11336/67550
dc.description.abstract
The aim of this study was to determine oxidative stress parameters in the liver, gill and muscle of silver catfish juveniles infected with Ichthyophthirius multifiliis and maintained at pH 5.0 or 7.0 for three days. Juveniles were infected by adding one I. multifiliis-infected juvenile and water containing theronts to tanks. After the appearance of white spots on the skin, infected juveniles exposed to pH 5.0 and 7.0 showed significantly higher thiobarbituric acid reactive substances (TBARS) levels in the liver and gills compared to uninfected juveniles. Liver of infected juveniles exposed to pH 7.0 showed higher catalase (CAT) and lower glutathione-S-transferase (GST) activities, but those maintained at pH 5.0 showed significantly higher GST activity than uninfected juveniles. The gills of infected juveniles showed significantly higher CAT (day two) and GST activity at both pH 5.0 and 7.0 compared to uninfected juveniles. Muscle of infected juveniles showed significantly lower CAT and GST activity and TBARS levels (at day three) when maintained at both pH 5.0 and 7.0 compared to uninfected juveniles. In conclusion, I. multifiliis infection induces liver and gill damage via lipid peroxidation products in silver catfish, but higher antioxidant enzyme activity could indicate a greater degree of protection against this parasite. © 2011 Elsevier B.V.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Catalase
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Gst
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Lipid Peroxidation
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Tbars
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Theronts
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White Spots Disease
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Otras Ciencias Biológicas
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dc.subject.classification
Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
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dc.title
Oxidative stress parameters in silver catfish (Rhamdia quelen) juveniles infected with Ichthyophthirius multifiliis and maintained at different levels of water pH
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-01-04T16:30:01Z
dc.journal.volume
178
dc.journal.number
1-2
dc.journal.pagination
15-21
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Garcia, L. O.. Universidade Federal de Santa Maria; Brasil
dc.description.fil
Fil: Becker, A.G.. Universidade Federal de Santa Maria; Brasil
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Fil: Bertuzzi, T.. Universidade Federal de Santa Maria; Brasil
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Fil: Cunha, M. A.. Universidade Federal de Santa Maria; Brasil
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Fil: Kochhann, D.. Instituto Nacional de Pesquisas da Amazônia; Brasil
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Fil: Finamor, I. A.. Universidade Federal de Santa Maria; Brasil
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Fil: Riffel, A. P. K.. Universidade Federal de Santa Maria; Brasil
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Fil: Llesuy, Susana Francisca. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Química Analítica y Fisicoquímica; Argentina
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Fil: Pavanato, M. A.. Universidade Federal de Santa Maria; Brasil
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Fil: Baldisserotto, B.. Universidade Federal de Santa Maria; Brasil
dc.journal.title
Veterinary Parasitology
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.1016/j.vetpar.2010.12.039
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://linkinghub.elsevier.com/retrieve/pii/S0304401711000082
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