Listar Ciencias agroalimentarias por autor "Janssens, Geert P. J."
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Colouration in amphibians as a reflection of nutritional status: The case of tree frogs in Costa Rica
Brenes Soto, Andrea; Dierenfeld, Ellen S.; Janssens, Geert P. J. (2017-08-24)Colouration has been considered a cue for mating success in many species; ornaments in males often are related to carotenoid mobilization towards feathers and/or skin and can signal general health and nutrition status. ... -
Gaining insights in the nutritional metabolism of amphibians: analyzing body nutrient profiles of the African clawed frog, Xenopus laevis
Brenes Soto, Andrea; Dierenfeld, Ellen S.; Bosch, Guido; Hendriks, Wouter H.; Janssens, Geert P. J. (2019-08-07)Whole bodies of Xenopus laevis (n = 19) were analysed for chemical composition and morphometrics. The nutrient profile (macronutrients, amino acids, fatty acids and minerals) was evaluated by sex; interactions among ... -
No longer a leap in the dark: the importance of protein as an energy source in amphibians
Brenes Soto, Andrea; Dierenfeld, Ellen S.; Muñoz Saravia, Arturo; Janssens, Geert P. J. (2019-09-18)Amphibian nutrition has been highlighted as one of the disciplines requiring more investigation to support ex situ conservation programs. Specifically, anuran metabolism related to dietary nutrients is not yet investigated ... -
The interplay between voluntary food intake, dietary carbohydrate-lipid ratio and nutrient metabolism in an amphibian, (Xenopus laevis)
Brenes Soto, Andrea; Dierenfeld, Ellen S.; Janssens, Geert P. J. (2018-12-07)Digestion of food and metabolism of frogs are little studied at the moment, and such processes could be very particular in the case of amphibians, given their ectothermic and carnivorous nature which may lead them to use ...