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Hematological aspects of tilapia, Oreochromis niloticus (Osteichthyes: Ciclidae), captured from cultivated areas of Piraí in the State of Rio de Janeiro, Brazil

Authors: Barros, Renato Clapp do Rego; Almosny, Nádia Regina Pereira; de Mesquita, Eliana de Fátima Marques; Filho, Rodolpho de Almeida Torres;

Hematological aspects of tilapia, Oreochromis niloticus (Osteichthyes: Ciclidae), captured from cultivated areas of Piraí in the State of Rio de Janeiro, Brazil

Abstract

ABSTRACT. Barros R.C. do R., Almosny N.R.P., de Mesquita E. de F.M. & Torres Filho R. de A. [Hematological aspects of tilapia, Oreochromis niloticus (Osteichthyes: Ciclidae), captured from cultivated areas of Piraí in the State of Rio de Janeiro, Brazil]. Observação sobre os aspectos hematológicos de tilápia, Oreochromis niloticus (Osteichthyes: Ciclidae), capturada em cultivos na região de Piraí, Rio de Janeiro, Brasil. Revista Brasileira de Medicina Veterinária, 34(3):183-187, 2012. Departamento de Zootecnia, Laboratório de Aqüicultura, Faculdade de Veterinária, Universidade Federal Fluminense, Rua Dr. Vital Brazil Filho, 64, Niterói, RJ 24230-340, Brasil. E-mail: renatoclapp@yahoo.com.br The hematological values give a diagnostic support to find out the type of disease that is spreading into the population or individual, and also the evolution of it. Studies in blood cells of several species are rare. This research has the objective of a comparative study on fishes’ hematology, in order to obtain patterns to be used in tilapias, Oreochromis niloticus, examinations commercialized and cultivated in Piraí region, Rio de Janeiro state. Fifty blood samples were analyzed and hematological determination was done. The hematocrit (Ht or HCT), hemoglobin, hematimetric reference values, VHCM and CHCM show variation among the samples. It was observed that thrombocytes, monocytes and lymphocytes were high. The hematocrit was the minor average variation index.

Os valores hematológicos oferecem a possibilidade de apoio diagnóstico para se descobrir que tipo de enfermidade está acometendo o indiví- duo ou uma população, e uma avaliação da evolução da mesma. Entretanto, raros estudos têm sido desenvolvidos no sentido de diferenciar as células sanguíneas nas várias espécies. Com o objetivo de realizar um estudo comparativo na hematologia de peixes, foram realizados exames na espécie tilápia, Oreochromis niloticus, comercializada e cultivada por produtores da região de Piraí, Rio de Janeiro. Foram analisadas 50 amostras de sangue e realizada a determinação hematológica. Entre as amostras dos valores de hematócrito, hemoglobina, hematimetria, VHCM e CHCM ocorreram variações. Foram, também, verificados aumento nas taxas de trombócitos, monócitos e linfócitos, sendo que o hematócrito foi o índice de menor variação média.

Keywords

commercialized and cultivated fishes, peixes comerciais cultivados., Hematology, Hematologia, tilápia, Tilapia

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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