[yuu]

how much % of iodine do rats need in their diet???

 

[_dizzy_]

Hope this helps.
Here's the link:

Mechanisms of Adaptation to Iodine Deficiency in Rats: Thyroid Status Is Tissue Specific. Its Relevance for Man

Many animals, man included, live in areas providing insufficient iodine (I) for optimal health. Degrees of I deficiency (ID) vary from mild-moderate to very sev

academic.oup.com