2010
DOI: 10.1590/s1519-69842010000300019
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Energy metabolism and fasting in male and female insectivorous bats Molossus molossus (Chiroptera: Molossidae)

Abstract: Metabolic adaptations induced by 24 and 48 hours of fasting were investigated in male and female insectivorous bats (Molossus molossus Pallas, 1766). For this purpose, plasma glucose, non esterified fatty acids (NEFA), glycogen, protein and lipids concentrations in liver and muscles were obtained. Data presented here demonstrate that fed bats showed plasma glucose levels similar to those reported for other mammal species. In response to fasting, glycemia was decreased only in 48 hours fasted females. Plasma NE… Show more

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Cited by 19 publications
(21 citation statements)
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“…Several studies have shown that the diet composition interferes directly with the metabolic pattern displayed by diverse vertebrates (Nagy and Pistole, 1988;Silva and Migliorini, 1990;Sartori et al, 1995), including bats (Freitas et al, 2003;Pinheiro et al, 2006;Freitas et al, 2010;Protzek et al, 2010). Another factor which also interferes with energy metabolism is the species' reproductive patterns, which are directly linked to environmental conditions and food availability (Pirlot, 1967;Dweyr, 1970;Wojciechowski et al, 2007).…”
Section: Introductionmentioning
confidence: 99%
“…Several studies have shown that the diet composition interferes directly with the metabolic pattern displayed by diverse vertebrates (Nagy and Pistole, 1988;Silva and Migliorini, 1990;Sartori et al, 1995), including bats (Freitas et al, 2003;Pinheiro et al, 2006;Freitas et al, 2010;Protzek et al, 2010). Another factor which also interferes with energy metabolism is the species' reproductive patterns, which are directly linked to environmental conditions and food availability (Pirlot, 1967;Dweyr, 1970;Wojciechowski et al, 2007).…”
Section: Introductionmentioning
confidence: 99%
“…The storage and mobilisation of these reserves may vary, according to food availability in the environment (Powers et al, 2000;Douglas, 2002). It has been shown that the storage of body energy reserves is essential for the survival and maintenance of several species of bat populations, as the mobilisation of these reserves provides the necessary energy for events associated with reproduction and adaptation to periods of food shortage (seasonality and fasting) (Freitas et al, 2006;Pinheiro et al, 2006;Wang et al, 2008;Freitas et al, 2010).…”
Section: Introductionmentioning
confidence: 99%
“…Como os animais estão em constante mudança comportamental e fisiológica, a aclimatação é uma forma de ajuste ao ambiente, o que lhes permite enfrentar as adversidades naturais e resistir ao estresse ambiental por um determinado período (Romero 2004 (Widmaier et al 1994, Reeder et al 2004a, e, em morcegos das famílias Phyllostomidae (Widmaier et al 1994, Klose et al 2006 e Vespertillionidae (Reeder et al 2004b (Freitas et al, 2010). Esta mesma espécie, apresenta variação na concentração das reservas em função das estações do ano (Barros et al 2013).…”
Section: Efeito Da Fragmentação Sobre Morcegosunclassified
“…Na literatura recente, encontramos trabalhos que avaliaram o metabolismo energético e a mobilização das reservas metabólicas em morcegos no Brasil. No entanto, a maioria desses estudos foi realizada em região de Mata Atlântica (Barros et al, 2013;Amaral et al, 2012aAmaral et al, , 2012bMelo et al, 2012;Freitas et al, 2010) e, apenas Melo e colaboradores (2012) relacionaram as reservas energéticas à alteração do habitat.…”
Section: Efeito Da Fragmentação Sobre Morcegosunclassified
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