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Efeito da maturação gonadal sobre a energia dos músculos de duas espécies de piranhas do reservatório do rio Manso, Estado de Mato Grosso = Gonadal maturation effect on muscular energy in two species of piranhas (Serrasalmus marginatus and S. maculatus) from rio Manso reservoir, Mato Grosso State

Authors: Marília Hauser dos Santos; Evanilde Benedito; Wladimir Marques Domingues;

Efeito da maturação gonadal sobre a energia dos músculos de duas espécies de piranhas do reservatório do rio Manso, Estado de Mato Grosso = Gonadal maturation effect on muscular energy in two species of piranhas (Serrasalmus marginatus and S. maculatus) from rio Manso reservoir, Mato Grosso State

Abstract

Com o intuito de investigar a alocação de energia e a correlação entre esta e o fator de condição (K) de duas espécies de piranhas, Serrasalmus marginatus e S. maculatus, do reservatório do rio Manso, Estado de Mato Grosso (localizado entre os paralelos 14º 52’ delatitude sul e 55º 48’ de longitude oeste). As coletas foram realizadas entre setembro de 2002 e março de 2004. As amostras de músculos de indivíduos de ambos os sexos, pertencentes a diferentes estádios de maturação gonadal e ambientes, tiveram a determinação do conteúdo energético em bomba calorimétrica e os resultados comparados com o K. Houve diferenças significativas entre os estádios de maturação apenas para os machos. As duas espécies utilizam distintamente a energia obtida do alimento. A maturação gonadal exerceu efeito sobre a alocação energética e o K, enquanto este não se correlacionou com a energia armazenada nos músculos.Aiming to investigate the allocation of energy and the correlation between this energy and the condition factor (K) of two piranhas species, Serrasalmus marginatus and S. maculatus, from the reservoir of the Manso river, (located among the parallels 14°52' south latitude and 55°48' west longitude). The collections were carried between September, 2002 and March, 2004. The muscle samples of individuals from both genders belonging to different stages of gonadal maturation and environment had their energy content determined by a calorimetric pump and the results compared with K. There were significant differences among the maturation stages only for the males. The two species make distinct use of the energy obtained from the food. The gonadal maturation had an effect on the allocation of energy and K. It did not correlated with the energy stored in the muscles.

Keywords

calorimetria, reservoir of the Manso, QH301-705.5, reservatório de Manso, piranhas, fator de condição, Biology (General), calorimetry, Microbiology, condition factor, QR1-502

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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