Influência de diferentes níveis de vitamina C na ração sobre parâmetros hematológicos de alevinos de Piaractus mesopotamicus Holmberg (Osteichthyes, Characidae)

dc.contributor.authorMartins, Maurício Laterça [UNESP]
dc.contributor.authorCastajjnolli, Newton [UNESP]
dc.contributor.authorZuim, Sônia Maria Fontes [UNESP]
dc.contributor.authorUrbinati, Elisabeth Criscuolo [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:12:43Z
dc.date.available2014-05-20T13:12:43Z
dc.date.issued1995-09-01
dc.description.abstractHaematological changes in ascorbic acid deficient fishes, observed by some authors, awoked the interest in the haematological response of pacu, Piaractus mesopotamicus. The present work studied the influence of different levels of ascorbic acid (vitamin C) in the ration on the haematological parameters of pacu. Fishes at the beginning of the experiment, presented average body weight 8.64±1.62g and 6.15±0.33cm standard length, were fed with diets containing 0. 50, 100 and 200mg ascorbic acid/kg dry ration. The present work was developed for a period of 24 weeks at the Fish Nutrition Laboratory of Aquaculture Center of Universidade Estadual Paulista (Unesp), Jaboticabal (São Paulo). The fishes were distributed by the completely randomized design in 20 aquaria of 100 liters capacity with six animals in each and five fold treatment. Condutivity, alcalinity. pH and oxigen were measured weekly and temperature daily. The blood colect was done in 60 anesthetized fishes with 50mg MS-222/1. The results suggests that 50mg ascorbic acid/kg dry ration improved the mean corpuscular volume, mean corpuscular haemoglobin, mean corpuscular haemoglobin concentration and decreased haematocril in unsupplemented fishes, although not differing significantly (P>0.05). The erytrocyte diameter indicated the presence of macrocytic cells in unsupplemented fishes (P<0.05) and the regression analysis showed too reduced neutrophils in unsupplemenled ones, 50mg ascorbic acid/kg dry ration supplementation was enough to development and haematological responses. Furthtermore, the optimum level to the growth is 139mg vitamin C/kg dry ration (P<0.05).en
dc.description.affiliationUniversidade Estadual Paulista Campus de Jaboticabal Centro de Aquicultura
dc.description.affiliationUniversidade Estadual Paulista Campus de Jaboticabal Departamento de Zootecnia de não Ruminantes
dc.description.affiliationUniversidade Estadual Paulista Campus de Rio Claro Instituto de Biociências
dc.description.affiliationUniversidade Estadual Paulista Campus de Jaboticabal Departamento de Morfologia e Fisiologia Animal
dc.description.affiliationUnespUniversidade Estadual Paulista Campus de Jaboticabal Centro de Aquicultura
dc.description.affiliationUnespUniversidade Estadual Paulista Campus de Jaboticabal Departamento de Zootecnia de não Ruminantes
dc.description.affiliationUnespUniversidade Estadual Paulista Campus de Rio Claro Instituto de Biociências
dc.description.affiliationUnespUniversidade Estadual Paulista Campus de Jaboticabal Departamento de Morfologia e Fisiologia Animal
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.format.extent609-618
dc.identifierhttp://dx.doi.org/10.1590/S0101-81751995000300016
dc.identifier.citationRevista Brasileira de Zoologia. Sociedade Brasileira de Zoologia, v. 12, n. 3, p. 609-618, 1995.
dc.identifier.doi10.1590/S0101-81751995000300016
dc.identifier.fileS0101-81751995000300016.pdf
dc.identifier.issn0101-8175
dc.identifier.lattes0089991497257336
dc.identifier.scieloS0101-81751995000300016
dc.identifier.urihttp://hdl.handle.net/11449/627
dc.language.isopor
dc.publisherSociedade Brasileira de Zoologia
dc.relation.ispartofRevista Brasileira de Zoologia
dc.rights.accessRightsAcesso aberto
dc.sourceSciELO
dc.subjectOsteichthyesen
dc.subjectCharacidaeen
dc.subjectPiaractus mesopotamicusen
dc.subjectHematologyen
dc.subjectVitamin Cen
dc.subjectFishen
dc.titleInfluência de diferentes níveis de vitamina C na ração sobre parâmetros hematológicos de alevinos de Piaractus mesopotamicus Holmberg (Osteichthyes, Characidae)pt
dc.title.alternativeInfluence of different levels of vitamin C in the ration on the haematological parameters of Piaractus mesopotamicus Holmberg (Osteichthyes, Characidae) friesen
dc.typeArtigo
unesp.author.lattes0089991497257336
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabalpt
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