Abstract
Summary
The effect of excess ioide in the drinking water on the thyroid function of chicks has been studied. There was no evidence of goiter production in four breeds of chicks fed up to 0.5% (w/v) KI in water for periods of up to six months. There was some evidence in acute experiments to suggest a temporary Wolff-Chaikoff effect with excess iodides. Components of thyroid hydrolysates were not different in iodide-treated chicks as compared to chicks not given excess iodide.
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