2015
DOI: 10.11606/issn.1678-4456.v52i3p249-256
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Hematology, biochemical profile and thyroid hormones of four species of freshwater stingrays of the genus Potamotrygon

Abstract: <p>Potamotrygonidae e um grupo de raias endêmicas da América do Sul distribuídas nas principais bacias hidrográficas brasileiras, mas informações sobre suas variáveis hematológicas e bioquímicas são escassas. Este estudo teve como objetivo determinar estas variáveis em <em>Potamotrygon motoro </em>e <em>P. falkneri </em>na Bacia do Rio Paraná, Estado do Paraná e de <em>P. orbignyi </em>e <em>P. scobina </em>do Rio Piririm, na Bacia Amazônica, Estado do Amap… Show more

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Cited by 17 publications
(16 citation statements)
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“…According to this, results here obtained are more related with natural features of the species than influenced by environmental factors. The high intraspecific variation found for white blood cells (/μL) and thrombocytes counts is consistent with previous reports in marine and freshwater batoids in both wildlife and captive environments (Brito et al, 2015;Oliveira et al, 2016b;Greene et al, 2018;Grant and Campbell, 2020). This information mean that our results might be reflecting natural features of the species since all sampled animals were in good condition, apparently good health and showing continue reproductive events.…”
Section: Discussionsupporting
confidence: 91%
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“…According to this, results here obtained are more related with natural features of the species than influenced by environmental factors. The high intraspecific variation found for white blood cells (/μL) and thrombocytes counts is consistent with previous reports in marine and freshwater batoids in both wildlife and captive environments (Brito et al, 2015;Oliveira et al, 2016b;Greene et al, 2018;Grant and Campbell, 2020). This information mean that our results might be reflecting natural features of the species since all sampled animals were in good condition, apparently good health and showing continue reproductive events.…”
Section: Discussionsupporting
confidence: 91%
“…The absence of differences in red blood cell parameters between females and males in our work confirm the little variations of red blood parameters described in freshwater stingrays, without influence of sex, reproductive stage or species in wildlife populations (Brito et al 2015;Oliveira et al, 2015Oliveira et al, , 2016b.…”
Section: Discussionsupporting
confidence: 87%
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“…The PCA on the complete blood counts (Figure 1) constitutes a system of differentiated demand for oxygen, given that studies that investigated the complete blood count in freshwater stingrays have correlated the red series with respiratory activity and capacity (Brito et al, 2015;Oliveira et al, 2015c). P. wallacei presented clear differentiation in the X axis, in relation to P. aiereba.…”
Section: Discussionmentioning
confidence: 99%