Clinicopathoiogical Observations on Thoroughbred Foals with Enlarged Thyroid Gland.
- 1 January 1994
- journal article
- Published by Japanese Society of Veterinary Science in The Journal of Veterinary Medical Science
- Vol. 56 (4) , 771-772
- https://doi.org/10.1292/jvms.56.771
Abstract
Seven cases of thoroughbred foals kept on a farm in the Hidaka district of Hokkaido showed bilateral thyroid enlargement from 3 or 4 months after birth. Their serum T4 levels were remarkably low, whereas T3 levels were in the normal range. Serum T4 levels were also low in the other clinically normal foals and their dams kept together. Since the iodine content in pasture soil and grass was very low, iodine deficiency was supposed to be the cause of the disease.Keywords
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