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dc.creatorBernardino, Verônica Maria Pereira-
dc.creatorRodrigues, Paulo Borges-
dc.creatorNaves, Luciana de Paula-
dc.creatorRosa, Priscila Vieira e-
dc.creatorZangerônimo, Márcio Gilberto-
dc.creatorGomide, Elisangela Minati-
dc.creatorSaldanha, Mariana Masseo-
dc.creatorAlvarenga, Renata Ribeiro-
dc.identifier.citationBERNARDINO, V. M. P. et al. Content of plasmatic glycerol and activity of hepatic glycerol kinase in broiler chickens fed diets containing different sources and concentrations of glycerine. Journal of Animal Physiology and Animal Nutrition, Berlin, v. 98, n. 2, May 2013.pt_BR
dc.description.abstractThe objective of this study was to evaluate the effect of three sources of glycerine (crude glycerine from soya bean oil – CGSO, mixed crude glycerine from frying oil and lard – MCG, and a semipurified glycerine from soya bean oil – SPGSO) in four concentrations in the diet (17.5, 35.0, 52.5 and 70.0 g of each type of glycerine per kg of feed) on the levels of plasmatic glycerol and the activity of the hepatic enzyme glycerol kinase in broilers of 22– 35 days old (experiment I) and 33–42 days old (experiment II). The highest (p < 0.05) plasmatic glycerol level was detected in broilers fed diet containing CGSO. Independent of the source, increasing the concentration of glycerine led to a linear increase (p < 0.05) in the plasmatic glycerol concentration. In experiment I, all the diets containing glycerine resulted in increased concentrations of plasmatic glycerol, in relation to the control diet without glycerine. However, in experiment II, only the diet containing 17.5 g of CGSO per kg of feed and the diets formulated with any of the three types of glycerine in the inclusion concentrations of 35, 52.5 and 70 g/kg of feed resulted in higher plasmatic glycerol levels than those observed in the control broilers. The source of glycerine influenced the glycerol kinase activity only in experiment II, where the use of CGSO in the diet increased the enzyme activity. For both experiments, the glycerol kinase activity increased with the inclusion of glycerine in the diet. In conclusion, based on the absence of saturation of the glycerol kinase activity for the three glycerine sources and for both rearing periods evaluated, the broilers can metabolize the glycerol (at the level of the phosphorylation of the glycerol to glycerol-3-phosphate in the liver) present in the glycerine when the diet is supplemented with up to 70 g of glycerine per kg of feed.pt_BR
dc.publisherBlackwell Wissenschafts Verlagpt_BR
dc.sourceJournal of Animal Physiology and Animal Nutritionpt_BR
dc.titleContent of plasmatic glycerol and activity of hepatic glycerol kinase in broiler chickens fed diets containing different sources and concentrations of glycerinept_BR
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