Distribution and biokinetic analysis of 210Pb and 210Po in poultry due to ingestion of dicalcium phosphate

The Science of the Total Environment
N CasacubertaR García-Tenorio

Abstract

Dicalcium phosphate (DCP) is used as a calcium supplement for food producing animals (i.e., cattle, poultry and pig). When DCP is produced via wet acid digestion of the phosphate rock and depending on the acid used in the industrial process, the final product can result in enhanced (210)Pb and (210)Po specific activities (approximately 2000 Bq.kg(-1)). Both (210)Pb and (210)Po are of great interest because their contribution to the dose received by ingestion is potentially large. The aims of this work are to examine the accumulation of (210)Pb and (210)Po in chicken tissues during the first 42 days of life and to build a suitable single-compartment biokinetic model to understand the behavior of both radionuclides within the entire animal using the experimental results. Three commercial corn-soybean-based diets containing different amounts and sources of DCP were fed to broilers during a period of 42 days. The results show that diets containing enhanced concentrations of (210)Pb and (210)Po lead to larger specific accumulation in broiler tissues compared to the blank diet. Radionuclides do not accumulate homogeneously within the animal body: (210)Pb follows the calcium pathways to some extent and accumulates largely in bones, wh...Continue Reading

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Citations

Aug 25, 2015·Environmental Science and Pollution Research International·E FonollosaF Borrull
Jul 21, 2015·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Dagmara I Strumińska-ParulskaBogdan Skwarzec
Jan 1, 2013·Journal of Radioanalytical and Nuclear Chemistry·Alicja BoryłoJanusz Siebert

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