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Artículo

Macro-elements K, Na, Cl, Mg, and Ca in body tissues of false killer whales (Pseudorca crassidens) from the Southern Ocean

Cáceres Saez, IrisIcon ; Haro, Daniela; Blank, Olivia; Aguayo Lobo, Anelio; Dougnac, Catherine; Arredondo, Cristóbal; Cappozzo, Humberto LuisIcon ; Ribeiro, Sergio
Fecha de publicación: 04/2022
Editorial: Springer
Revista: Polar Biology
ISSN: 0722-4060
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Ecología

Resumen

Macro-elements such as potassium (K), sodium (Na), chlorine (Cl), magnesium (Mg), and calcium (Ca) are essential in marine mammals’ nutrition. These elements are involved in physiological processes. Upon consumption, they are assimilated and accumulate in tissues. For the first time, they were detected in lung, spleen, liver, kidney, muscle, uterus, ovary, and testis of 5, and in skin of 12, stranded false killer whales (Pseudorca crassidens) in sub-Antarctic waters of the South Atlantic Ocean. Results showed that testis reached the highest potassium mean concentration, 1.62 (0.25) wt% dry weight (DW) (standard deviation in parentheses), followed by muscle, 1.11 (0.12) wt% DW, and decreasing in skin to 0.351 (0.098) wt% DW. Testis and lung exhibited among the highest sodium concentrations, with 0.96 (0.20) and 0.93 (0.18) wt% DW, respectively. Chlorine concentration was highest in testis, (1.55 wt% DW) followed by uterus (1.26 wt% DW) and kidney [1.13 (0.16) wt% DW]. Magnesium reached higher concentrations in uterus (0.134 wt% DW) and muscle [0.109 (0.054) wt% DW]. Calcium was higher in lung [0.230 (0.05) wt% DW] and kidney (0.149; 0.294 wt% DW). Hepatic levels of K, Na, Cl, and Mg in false killer whales are generally within the range of other studied species, while Ca levels are the highest reported. Macro-element concentration ranges were established for diverse tissues and organs of the false killer whale as the current best available baseline reference values for assessments of general condition.
Palabras clave: AUSTRAL WATERS , CETACEANS , ELECTROLYTES , MINERALS , REPRODUCTIVE ORGANS , SOFT TISSUES
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/216381
URL: https://link.springer.com/article/10.1007/s00300-022-03012-9
DOI: http://dx.doi.org/10.1007/s00300-022-03012-9
Colecciones
Articulos(MACNBR)
Articulos de MUSEO ARG.DE CS.NAT "BERNARDINO RIVADAVIA"
Citación
Cáceres Saez, Iris; Haro, Daniela; Blank, Olivia; Aguayo Lobo, Anelio; Dougnac, Catherine; et al.; Macro-elements K, Na, Cl, Mg, and Ca in body tissues of false killer whales (Pseudorca crassidens) from the Southern Ocean; Springer; Polar Biology; 45; 4; 4-2022; 537-548
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