1 of 3 things: Hi. If your TSH is 0.344, which is just slightly below the normal range, it could be: 1) normal, no thyroid disease (the normal range EXCLUDES 5% of normal values), 2) mildly hot (autonomously hyperfunctioning) nodule (s), or 3) your doctor checked it while it was heading down.
Rat urine, like human urine, can vary in different degrees. Normally, it will be a light yellow. If the rat is highly active, it will be taking in a lot of water. This may result in urine that is lighter or clear. This is absolutely normal in most circumstances. If the rat is drinking excessively and is not active, that could be a sign of trouble. Older or dehydrated rats may have darker urine.
~If the rat approaches you, he is a fancy rat.~. Coloring: Most pet rats are not a variegated brown in color. Pet rats can be found in whites, beiges, peaches, tans, browns, blacks, and greys. The rat pictured above, however, is one exception which is why you can't just base your assessment on coloring.If the rat is fat, he is a fancy rat.~. Ears and Eyes: A pet rat's ears, unless he's simply never been handled, will appear very 'soft' (not rigid). Some rats have rounder ears to the sides of their heads as well. A pet rat's eyelids are generally a bit more relaxed.