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dc.contributor.author
Magnoni, Leonardo Julián
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dc.contributor.author
Salas Leiton, Emilio
dc.contributor.author
Peixoto, Maria João
dc.contributor.author
Pereira, Luis
dc.contributor.author
Silva Brito, Francisca
dc.contributor.author
Fontinha, Filipa
dc.contributor.author
Gonçalves, José F.M.
dc.contributor.author
Wilson, Jonathan M.
dc.contributor.author
Schrama, Johan W.
dc.contributor.author
Ozório, Rodrigo O.A.
dc.date.available
2018-06-21T15:28:38Z
dc.date.issued
2017-09
dc.identifier.citation
Magnoni, Leonardo Julián; Salas Leiton, Emilio; Peixoto, Maria João; Pereira, Luis; Silva Brito, Francisca; et al.; Dietary electrolyte balance affects growth performance, amylase activity and metabolic response in the meagre (Argyrosomus regius); Elsevier Science Inc; Comparative Biochemistry And Physiology. Part B, Biochemistry & Molecular Biology.; 211; 9-2017; 8-15
dc.identifier.issn
1096-4959
dc.identifier.uri
http://hdl.handle.net/11336/49532
dc.description.abstract
Dietary ion content is known to alter the acid-base balance in freshwater fish. The current study investigated the metabolic impact of acid-base disturbances produced by differences in dietary electrolyte balance (DEB) in the meagre (Argyrosomus regius), an euryhaline species. Changes in fish performance, gastric chyme characteristics, pH and ion concentrations in the bloodstream, digestive enzyme activities and metabolic rates were analyzed in meagre fed ad libitum two experimental diets (DEB 200 or DEB 700 mEq/kg) differing in the Na2CO3 content for 69 days. Fish fed the DEB 200 diet had 60–66% better growth performance than the DEB 700 group. Meagre consuming the DEB 200 diet were 90–96% more efficient than fish fed the DEB 700 diet at allocating energy from feed into somatic growth. The pH values in blood were significantly lower in the DEB 700 group 2 h after feeding when compared to DEB 200, indicating that acid-base balance in meagre was affected by electrolyte balance in diet. Osmolality, and Na+ and K+ concentrations in plasma did not vary with the dietary treatment. Gastric chyme in the DEB 700 group had higher pH values, dry matter, protein and energy contents, but lower lipid content than in the DEB 200 group. Twenty-four hours after feeding, amylase activity was higher in the gastrointestinal tract of DEB 700 group when compared to the DEB 200 group. DEB 700 group had lower routine metabolic (RMR) and standard metabolic (SMR) rates, indicating a decrease in maintenance energy expenditure 48 h after feeding the alkaline diet. The current study demonstrates that feeding meagre with an alkaline diet not only causes acid-base imbalance, but also negatively affects digestion and possibly nutrient assimilation, resulting in decreased growth performance.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science Inc
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Acid-Base Balance
dc.subject
Dietary Cation-Anion Difference
dc.subject
Digestion
dc.subject
Energy Use
dc.subject
Euryhaline Fish
dc.subject.classification
Agricultura
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dc.subject.classification
Agricultura, Silvicultura y Pesca
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dc.subject.classification
CIENCIAS AGRÍCOLAS
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dc.title
Dietary electrolyte balance affects growth performance, amylase activity and metabolic response in the meagre (Argyrosomus regius)
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-06-13T14:15:47Z
dc.journal.volume
211
dc.journal.pagination
8-15
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Oxford
dc.description.fil
Fil: Magnoni, Leonardo Julián. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Investigaciones Biotecnológicas. Instituto de Investigaciones Biotecnológicas "Dr. Raúl Alfonsín" (sede Chascomús). Universidad Nacional de San Martín. Instituto de Investigaciones Biotecnológicas. Instituto de Investigaciones Biotecnológicas "Dr. Raúl Alfonsín" (sede Chascomús); Argentina. Terminal de Cruzeiros do Porto de Leixões; Brasil
dc.description.fil
Fil: Salas Leiton, Emilio. Terminal de Cruzeiros do Porto de Leixões; Brasil. IFAPA; España
dc.description.fil
Fil: Peixoto, Maria João. Terminal de Cruzeiros do Porto de Leixões; Brasil. Universidad de Porto; Portugal
dc.description.fil
Fil: Pereira, Luis. Terminal de Cruzeiros do Porto de Leixões; Brasil
dc.description.fil
Fil: Silva Brito, Francisca. Terminal de Cruzeiros do Porto de Leixões; Brasil
dc.description.fil
Fil: Fontinha, Filipa. Terminal de Cruzeiros do Porto de Leixões; Brasil
dc.description.fil
Fil: Gonçalves, José F.M.. Terminal de Cruzeiros do Porto de Leixões; Brasil. Universidad de Porto; Portugal
dc.description.fil
Fil: Wilson, Jonathan M.. Terminal de Cruzeiros do Porto de Leixões; Brasil. Universidad de Porto; Portugal. Wilfrid Laurier University; Canadá
dc.description.fil
Fil: Schrama, Johan W.. University of Agriculture Wageningen; Países Bajos
dc.description.fil
Fil: Ozório, Rodrigo O.A.. Terminal de Cruzeiros do Porto de Leixões; Brasil. Universidad de Porto; Portugal
dc.journal.title
Comparative Biochemistry And Physiology. Part B, Biochemistry & Molecular Biology.
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.1016/j.cbpb.2017.03.001
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S1096495917300349
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