Evaluation of the addition of ascorbic acid to the ration of cultivated Piaractus mesopotamicus (Characidae) on the infrapopulation of Anacanthorus penilabiatus (Monogenea)

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dc.contributor.authorMartins, M.L. [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:11:30Z
dc.date.available2014-05-20T15:11:30Z
dc.date.issued1998-05-01
dc.description.abstractSixty Piaractus mesopotamicus Holmberg, 1887 (pacu) fry fed a diet containing 0, 50, 100 and 200 mg ascorbic acid/kg dry feed were studied to evaluate the effect on parasitic infestation by the monogenean Anacanthorus penilabiatus Boeger, Husak and Martins, 1995 (Monogenea: Dactylogyridae) for a period of 24 weeks. The temperature of the aquaria was measured daily and remained between 28 and 31oC. At the beginning of the experiment, fish showed 6.15 ± 0.33 cm standard length and 8.64 ± 1.62 g average body weight. A sample of fish was examined and showed 43 ± 17 monogeneans per fish. At the end of the experiment, the gills of control and vitamin C-treated fish were collected for parasite counts. Control fish had 42.5 parasites per fish, a significantly higher number (P<0.05) when compared with fish fed vitamin C, that showed 16.5 parasites per fish. Ascorbic acid fortification in the food promoted an increase in fish resistance to parasites. It is suggested that an optimum level of 139 mg/kg vitamin C supplementation either elicited better nutritional conditions by stimulating the appetite of the fish or improved the immune response.en
dc.description.affiliationUniversidade Estadual Paulista
dc.description.affiliationUnespUniversidade Estadual Paulista
dc.format.extent655-658
dc.identifierhttp://dx.doi.org/10.1590/S0100-879X1998000500008
dc.identifier.citationBrazilian Journal of Medical and Biological Research. Associação Brasileira de Divulgação Científica, v. 31, n. 5, p. 655-658, 1998.
dc.identifier.doi10.1590/S0100-879X1998000500008
dc.identifier.fileS0100-879X1998000500008.pdf
dc.identifier.issn0100-879X
dc.identifier.scieloS0100-879X1998000500008
dc.identifier.urihttp://hdl.handle.net/11449/28056
dc.language.isoeng
dc.publisherAssociação Brasileira de Divulgação Científica (ABRADIC)
dc.relation.ispartofBrazilian Journal of Medical and Biological Research
dc.relation.ispartofjcr1.492
dc.rights.accessRightsAcesso aberto
dc.sourceSciELO
dc.subjectascorbic aciden
dc.subjectmonogeneanen
dc.subjectAnacanthorus penilabiatusen
dc.subjectinfestationen
dc.subjectfishen
dc.subjectPiaractus mesopotamicusen
dc.titleEvaluation of the addition of ascorbic acid to the ration of cultivated Piaractus mesopotamicus (Characidae) on the infrapopulation of Anacanthorus penilabiatus (Monogenea)en
dc.typeArtigo

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