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Uranium Metabolism Associated with Ontogenetic Growth of Birds—Case Studies with Broilers and Ducks
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作者 Joao Dias de Toledo Arruda-Neto Guacyara Tenorio Cavalcante +4 位作者 Guilherme de Paula Nogueira Tulio eduardo Rodrigues luiz eduardo correa fonseca Mitiko Saiki Godofredo Camara Genofre 《Advances in Bioscience and Biotechnology》 2014年第9期768-776,共9页
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 fun... 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. 展开更多
关键词 Cobb Broilers Domestic Ducks Uranium-Doped-Ration Uranium-Content in Bones U/Ca Metabolism Uranium Residence Times
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