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Science 28 October 1977:
Vol. 198. no. 4315, pp. 425 - 426
DOI: 10.1126/science.910140
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Articles

Science, Vol 198, Issue 4315, 425-426
Copyright © 1977 by American Association for the Advancement of Science

articles

Increasing frequency of thyroid goiters in Coho salmon (Oncorhynchus kisutch) in the Great Lakes

RD Moccia, JF Leatherland, and RA Sonstegard

Coho salmon collected during the 1976 spawning runs from Lakes Michigan, Ontario, and Erie had overt goiter frequencies of 6.3, 47.6, and 79.5%, respectively. These represent significant increases over the frequencies observed in previous years. Epizootiological data suggest that environmental goitrogens (possibly pollutants) may be involved in the etiology of the thyroid disorder.




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