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Science 21 December 1962:
Vol. 138. no. 3547, pp. 1334 - 1335
DOI: 10.1126/science.138.3547.1334
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Articles

Radioiodine in Milk of Cows Consuming Stored Feed and of Cows on Pasture

B. Kahn 1, C. P. Straub 1, and I. R. Jones 2

1 Robert A. Taft Sanitary Engineering Center, U. S. Public Health Service, Cincinnati, Ohio
2 School of Agriculture, Oregon State University, Corvallis

During a period of 17 days, 2 months after termination of the Russian nuclear test series in 1961, iodine-131 was measured in milk. Within 2 days after the study was begun, the herd on pasture showed 270 pc iodine-131 per liter of milk. This concentration decreased with a half-life of 7 ± 1 days. No iodine-131 was found in the milk from sheltered cows that consumed stored feed.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)