healthy weight

Hello, I have had my baby rat for about for three weeks now. He is on soy based human formula and I recently went from feeding him every 2 hours around the clock to every four hours and once at midnight. But for the past week he has stayed 8 grams, Im pretty sure he is supposed to weigh much...

Hello! Does anyone have any advice they could give me about a lazy inactive rat? Bear's almost a year old, so still young, and usually females are more active than she is. Her cagemate, Sookie, is about the same age, but much smaller and much more active. Sookie has been using the (non-wire) rat...

One of my rats is a male albino (Wistar rat), his name is Ari. I took him to the vet for a check up. He's 2yo and weighs 600 grams. I let all my rats get a bit of padding because if they get sick they lose weight so rapidly. But this vet (whom I hadn't met before) said Ari is much too fat and...