Directions: Feeding your pet Hamster / Rodents / Rats a balanced diet is crucial to their health. Here’s a guide to properly feed your Hamster / Rodents/Rats. Hamsters / Rats / Mice can be fed 2 - 4 Pellets per day based on their body weight and age. Larger Rats / Rodents can be fed 5- 10 pieces per day based on their body weight and age.