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Abstract
In this study, sex and age influenced the hematological profiles of Jundiá (Silver Catfish) Rhamdia quelen. Females showed lower levels of hemoglobin, young fish increased lymphocyte counts, and older fish increased hematocrit values. These results indicate that, depending on age and sex, the fish have disparate hematological profiles. For this reason, it is important to consider the sex and age of an R. quelen when examining the impact of environmental and management factors on this species in terms of their hematological profiles.
Received May 24, 2015; accepted March 24, 2016 Published online August 2, 2016
Acknowledgments
The authors would like to thank the Instituto de Pesquisas em Aquicultura Ambiental for providing the infrastructure for this project and the Conselho Nacional de Desenvolvimento Científico e Tecnológico for financial support.