ABB  Vol.5 No.9 , August 2014
Uranium Metabolism Associated with Ontogenetic Growth of Birds—Case Studies with Broilers and Ducks
ABSTRACT

Cobb broilers and domestic ducks, both one-day-old, were treated using ration doped with 20 ppm of uranyl nitrate. Uranium concentrations in the tibia (μg-U/g-bone) were measured by neutron activation analysis as function of the animals’ age, from the neonatal period to maturity. Results show that Uranium and Calcium qualitatively follow the same metabolic pathway, and that adult ducks incorporate on average ten times more Uranium than broilers. Data interpretation shows that the Uranium clearance rate in broilers is substantially higher than that in ducks, suggesting that metabolic characteristics favoring Calcium retention in bone may hinder the elimination of Uranium in ducks. The need for further comparative biochemistry studies between Galliformes and Anseriformes is addressed.


Cite this paper
Arruda-Neto, J. , Cavalcante, G. , Paula Nogueira, G. , Rodrigues, T. , Correa Fonseca, L. , Saiki, M. and Genofre, G. (2014) Uranium Metabolism Associated with Ontogenetic Growth of Birds—Case Studies with Broilers and Ducks. Advances in Bioscience and Biotechnology, 5, 768-776. doi: 10.4236/abb.2014.59090.
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