[theBCnut]

In raw diets, they may be getting a meal from the same type of meat source multiple times a week and at a higher concentration of meat, since kibbles are typically at the very least 1/3 carbs. And yes, heat destroys thyroid hormone.

I honestly don’t know if in fowl the glands are not present, in a different location, or removed during processing, but I have also read that it is not an issue.