Metabolic organization of pregnant freshwater stingray and their offspring
Copyright policy )Metabolic organization of pregnant freshwater stingray and their offspring
AbstractThe elucidation of energetic patterns in adult viviparous elasmobranchs and their offspring can contribute to understanding ecophysiological questions, such as maternal‐fetal metabolism and group life‐history traits. We characterized the energetic substrates in pregnant individuals and stages of offspring development in the freshwater stingray Potamotrygon amandae. Our results show that the energetic distribution of the yolk is composed of more lipids than proteins, whereas the inverse pattern is observed in the egg and uterus, proving the plasticity of the energy provision of the species. As a novelty, we describe that yolk/intestine transfer occurs in this species.
- Universidade de São Paulo Brazil
- Sao Paulo State University Brazil
Uterus, Fresh Water, Egg Yolk, Viviparity, Nonmammalian, Pregnancy, Animals, Female, Skates, Fish, Energy Metabolism
Uterus, Fresh Water, Egg Yolk, Viviparity, Nonmammalian, Pregnancy, Animals, Female, Skates, Fish, Energy Metabolism
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