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Pesquisa : Energy balance of pregnant rats; Braz j med biol res
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Id: lil-92331
Autor: Luz, J; Griggio, M. A.
Título: Energy balance of pregnant rats
Fonte: Braz. j. med. biol. res = Rev. bras. pesqui. méd. biol;23(8):729-33, 1990. ilus, tab.
Idioma: en.
Conferência: Apresentado em: Annual meeting of the Federaçäo de Sociedades de Biologia Experimental, 5, Caxambu, Aug. 24-28, 1990.
Resumo: Energy balance of pregnant and non-pregnant female rats was determined after 20 days of gestation. Energy contents of male and female pups and placentae were also determined. The metabolizable energy intake of pregnant rats was 33% higher than that of non-pregnant controls. Body weight gain was 9.4-fold that of non-pregnant rats. Gains in energy was stored, probably for later use in an energy-requiring process such as lactation. Food was processed as expected in pregnant rats, since although gross food efficiency (gain in body energy divided by metabolizable energy intake) was greater in pregnant than in non-pregnant rats (5.4% vs 17.5%), only 53.7% of the extra energy intake was deposited in the dams
Descritores: Prenhez/fisiologia
Metabolismo Energético
Dieta
-Ratos Wistar
Peso Corporal
Valor Nutritivo
Limites: Ratos
Feminino
Gravidez
Responsável: BR26.1 - Biblioteca Central



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