Please use this identifier to cite or link to this item: https://repositorio.inpa.gov.br/handle/1/14647
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dc.contributor.authorMello, Daniela Magalhães Drummond de-
dc.contributor.authorSilva, Vera Maria Ferreira da-
dc.date.accessioned2020-04-24T16:59:54Z-
dc.date.available2020-04-24T16:59:54Z-
dc.date.issued2019-
dc.identifier.urihttps://repositorio.inpa.gov.br/handle/1/14647-
dc.description.abstractHematological values are of primary importance when investigating the health and physiological status of populations as they reflect the biological equilibrium of aquatic ecosystems. The objectives of this study are to produce baseline values for hematological parameters of the Amazon River dolphin (Inia geoffrensis), as well as to investigate significant variations according to sex, age, reproductive status and stress level. One-hundred-and-ten dolphins from Mamirauá Sustainable Development Reserve (3°3'S, 64°51'W), Central Amazon, Brazil, were live captured and sampled in November 2004 and 2005. Further, the means, standard deviations, minimum and maximum values and reference values (90% CI) were calculated. Correlations were performed to assess the relationships among blood values and cardiac rate (CR), respiratory frequency (RF), handling time and level of stress. No significant differences were found between sexes. Also, no differences occurred among pregnant and non-pregnant females, pregnant females and adult males or non-pregnant females and adult males. Calves had a higher white blood cell (WBC) count, and the neutrophil and lymphocyte absolute counts were significantly higher in calves than adults. The level of stress determined by empirical observation positively correlated with the WBC, neutrophil, lymphocyte and monocyte absolute counts and CR and RF. It was found that less stressed animals tend to present lower platelet counts and lower CR. The handling time of the dolphins was positively correlated with hematocrit (Hct), red blood cells (RBC) and Hb level. The hematological and physiological parameters varied according to time of handling and proved to be a good bioindicator of acute stress in Amazon River dolphins. The data provided here can complement long-term monitoring and identify the early warning indicators of health problems at the population level. © 2019 Mello, da Silva. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.en
dc.language.isoenpt_BR
dc.relation.ispartofVolume 14, Número 12pt_BR
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Brazil*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/br/*
dc.subjectHemoglobinen
dc.subjectAcute Stressen
dc.subjectAdulten
dc.subjectAge Distributionen
dc.subjectAmazonasen
dc.subjectAnimals Captureen
dc.subjectAnimals Cellen
dc.subjectAnimals Experimenten
dc.subjectAnimals Trappingen
dc.subjectBiological Variationen
dc.subjectBlood Examinationen
dc.subjectBreathing Rateen
dc.subjectCalf (mammal)en
dc.subjectControlled Studyen
dc.subjectErythrocyte Counten
dc.subjectFemaleen
dc.subjectHeart Rateen
dc.subjectHematocriten
dc.subjectHematological Parametersen
dc.subjectHemoglobin Blood Levelen
dc.subjectInia Geoffrensisen
dc.subjectLeukocyte Counten
dc.subjectLymphocyte Counten
dc.subjectMaleen
dc.subjectMonocyte Counten
dc.subjectNeutrophil Counten
dc.subjectNonhumanen
dc.subjectPlatelet Counten
dc.subjectPopulation Researchen
dc.subjectPregnancyen
dc.subjectReference Valueen
dc.subjectReproductionen
dc.subjectRiveren
dc.subjectSamplingen
dc.subjectSex Differenceen
dc.subjectSustainable Developmenten
dc.subjectTimeen
dc.subjectToothed Whaleen
dc.subjectAnimalsen
dc.subjectBlooden
dc.subjectEcosystemen
dc.subjectStress, Physiologicalen
dc.subjectPhysiologyen
dc.subjectToothed Whaleen
dc.subjectAnimalssen
dc.subjectDolphinsen
dc.subjectEcosystemen
dc.subjectFemaleen
dc.subjectHeart Rateen
dc.subjectHematocriten
dc.subjectLeukocyte Counten
dc.subjectMaleen
dc.subjectRespiratory Rateen
dc.subjectStress, Physiologicalen
dc.titleHematologic profile of Amazon river dolphins Inia geoffrensis and its variation during acute capture stressen
dc.typeArtigopt_BR
dc.identifier.doi10.1371/journal.pone.0226955-
dc.publisher.journalPLoS ONEpt_BR
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