The transfer of 60Co from feed into vitamin B12 in cow liver,milk and beef |
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| Institution: | 1. Proteomics Research Unit, Center of Basic Research II, Biomedical Research Foundation of the Academy of Athens, Athens, Greece;2. Veterinary Faculty, University of Thessaly, Karditsa, Greece;3. Laboratory of Animal Husbandry, School of Veterinary Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece;4. Cell and Molecular Physiology Unit, Laboratory of Experimental Physiology, Medical School, University of Ioannina, Ioannina, Greece;5. Department of Animal Production, Technological Educational Institute of Epirus, Arta, Greece |
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| Abstract: | The transfer of the radionuclide 60Co from feed to milk, meat and the organs of a cow and its incorporation into vitamin B12 were studied in order to determine the transfer coefficient of 60Co into vitamin B12 in cattle. Upper limits of transfer coefficients for 60Co organically complexed into vitamin B12 were determined to be 6·0 × 10?5 days/litre in milk and 3·9 × 10?5 days/kg in meat, based on values measured after 140 days in bovine liver. |
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