The Effect of Prolonged Breast-feeding on Radiocesium Retention in Young Rat
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概要
- 論文の詳細を見る
Reason for the higher retention of ^<137>Cs in the suckling than in the weanling rat was investigated. Rat pups, which were given ^<137>Cs previously, were divided into two groups at 21 days of age,i.e., at the normal weaning age. One group weaned to the usual solid diet at this age, whereas the other group was kept under breast-feeding for one to two weeks longer beyond this normal weaning time. The latter group showed higher retention of ^<137>Cs than the former. The dietary difference should be at least one of the most important factors associated with the long biological half-life of this nuclide in the suckling rats. However, the elevated body retention in the rats of prolonged breast-feeding was still less than that in the suckling rats of early days after birth. Therefore, the high retention of ^<137>Cs in the normal suckling rats may not be fully explained by the breast-feeding alone.
- 日本放射線影響学会の論文
著者
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稲葉 次郎
放射線医学総合研究所内部被ばく研究部
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松坂 尚典
Department Of Veterinary Pharmacology Faculty Of Agriculture Iwate University
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稲葉 次郎
Food-chain Section, Division of Environmental Health, National Institute of Radiological Sciences
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市川 龍資
Food-chain Section, Division of Environmental Health, National Institute of Radiological Sciences
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市川 龍資
National Institute of radiological Sciences
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