Comparative Early and Late Effects of Single and Prolonged Exposure to Radioiodine in Young and Adults of Various Animal Species—A Review
A review is presented on the biological effects of I/sup 131/ in the sheep, pig, cow, and domestic fowl. Adult animals given large amounts of I/sup 131/ over a short or prolonged period develop the typical signs of hypothyroidism. Lactation is depressed but neither wool growth nor fertility is affected. Sheep become susceptible to respiratory infection and commonly, die from pneumonia; experimental cows manifest complications following parturition, requiring sacrifice. The offspring of animals exposed when nonpregnant appear to be normal, but young exposed in utero to high doses are born dead or do not develop normally. The blood chemistry follows, the general pattern observed after surgical thyroidectomy. The thyroid of the cow and chick is less sensitive than that of the sheep. (P.C.H.)
- Research Organization:
- United Kingdom Atomic Energy Authority, Harwell, Berks, Eng.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-18-008159
- OSTI ID:
- 4113398
- Journal Information:
- Health Physics, Vol. 9, Issue 12; Other Information: Orig. Receipt Date: 31-DEC-64; ISSN 0017-9078
- Publisher:
- Health Physics Society
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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