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.
Amber Urine. Amber Urine - this color of urine is slightly darker than orange urine which is usually just a sign of dehydration. Amber urine can be a sign of severe dehydration, blood presence or other chemicals in the pee. Sections of the page: Amber Urine Dehydration; Amber Urine Diet; Amber Urine Urinary Tract Bleeding; Amber Urine Dehydration. Dehydration tends to cause urine to darken, where it can sometimes turn amber and very dark in color.