Biochemical and hematological profile of Otaria flavescens in the reproductive colony of Cobquecura, central-south Chile

Despite the ecological importance of the common sea lion Otaria flavescens, there is currently no information available on the blood chemistry and hematology of this species. Here, we report for the first time, 14 blood chemistry variables of O. flavescens and differential blood cell counts obtained...

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Autores principales:	González-Saldía,Rodrigo R, Lincoñir,Paulina A, Quiñones,Renato A, Krautz,M. Cristina, Catchpole,Sam, Alarcón,Wilfredo
Lenguaje:	English
Publicado:	Universidad de Valparaíso. Facultad de Ciencias del Mar 2015
Materias:	Otaria flavescens South American sea lion blood chemistry hematology differential leukocyte counts
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-19572015000100007
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spelling	oai:scielo:S0718-195720150001000072015-08-11Biochemical and hematological profile of Otaria flavescens in the reproductive colony of Cobquecura, central-south ChileGonzález-Saldía,Rodrigo RLincoñir,Paulina AQuiñones,Renato AKrautz,M. CristinaCatchpole,SamAlarcón,Wilfredo Otaria flavescens South American sea lion blood chemistry hematology differential leukocyte counts Despite the ecological importance of the common sea lion Otaria flavescens, there is currently no information available on the blood chemistry and hematology of this species. Here, we report for the first time, 14 blood chemistry variables of O. flavescens and differential blood cell counts obtained from 15 resident individuals from a reproductive colony located in Cobquecura on the coast of central-south Chile, during 2 sampling periods, in 2009 and 2011. There was a high degree of biochemical regularity in studied parameters, although the plasmatic concentration of calcium differed significantly between genders; average concentrations of total proteins, globulins, cholesterol, and cholinesterase activity varied significantly between sampling periods. In comparison with the biochemical profiles reported for other marine mammals, O. flavescens had greater concentrations of globulins; an inhibitory capacity of antiproteases (close to 100%); and moderate to low cholinesterase activity and similar concentrations of glucose. Finally, differential blood cells counts indicated moderate to high eosinophilia (8.3-17.6%) in individuals sampled during the first sampling period, which suggests the possible presence of parasitism within this population. These results could be useful for assessing the state of health of O. flavescens populations and, therefore, contribute to species conservation in the Southeast Pacific.info:eu-repo/semantics/openAccessUniversidad de Valparaíso. Facultad de Ciencias del MarRevista de biología marina y oceanografía v.50 n.1 20152015-04-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-19572015000100007en10.4067/S0718-19572015000100007
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Otaria flavescens South American sea lion blood chemistry hematology differential leukocyte counts
spellingShingle	Otaria flavescens South American sea lion blood chemistry hematology differential leukocyte counts González-Saldía,Rodrigo R Lincoñir,Paulina A Quiñones,Renato A Krautz,M. Cristina Catchpole,Sam Alarcón,Wilfredo Biochemical and hematological profile of Otaria flavescens in the reproductive colony of Cobquecura, central-south Chile
description	Despite the ecological importance of the common sea lion Otaria flavescens, there is currently no information available on the blood chemistry and hematology of this species. Here, we report for the first time, 14 blood chemistry variables of O. flavescens and differential blood cell counts obtained from 15 resident individuals from a reproductive colony located in Cobquecura on the coast of central-south Chile, during 2 sampling periods, in 2009 and 2011. There was a high degree of biochemical regularity in studied parameters, although the plasmatic concentration of calcium differed significantly between genders; average concentrations of total proteins, globulins, cholesterol, and cholinesterase activity varied significantly between sampling periods. In comparison with the biochemical profiles reported for other marine mammals, O. flavescens had greater concentrations of globulins; an inhibitory capacity of antiproteases (close to 100%); and moderate to low cholinesterase activity and similar concentrations of glucose. Finally, differential blood cells counts indicated moderate to high eosinophilia (8.3-17.6%) in individuals sampled during the first sampling period, which suggests the possible presence of parasitism within this population. These results could be useful for assessing the state of health of O. flavescens populations and, therefore, contribute to species conservation in the Southeast Pacific.
author	González-Saldía,Rodrigo R Lincoñir,Paulina A Quiñones,Renato A Krautz,M. Cristina Catchpole,Sam Alarcón,Wilfredo
author_facet	González-Saldía,Rodrigo R Lincoñir,Paulina A Quiñones,Renato A Krautz,M. Cristina Catchpole,Sam Alarcón,Wilfredo
author_sort	González-Saldía,Rodrigo R
title	Biochemical and hematological profile of Otaria flavescens in the reproductive colony of Cobquecura, central-south Chile
title_short	Biochemical and hematological profile of Otaria flavescens in the reproductive colony of Cobquecura, central-south Chile
title_full	Biochemical and hematological profile of Otaria flavescens in the reproductive colony of Cobquecura, central-south Chile
title_fullStr	Biochemical and hematological profile of Otaria flavescens in the reproductive colony of Cobquecura, central-south Chile
title_full_unstemmed	Biochemical and hematological profile of Otaria flavescens in the reproductive colony of Cobquecura, central-south Chile
title_sort	biochemical and hematological profile of otaria flavescens in the reproductive colony of cobquecura, central-south chile
publisher	Universidad de Valparaíso. Facultad de Ciencias del Mar
publishDate	2015
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-19572015000100007
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Biochemical and hematological profile of Otaria flavescens in the reproductive colony of Cobquecura, central-south Chile

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