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Rats can be practically any age. They could be a few months old to a year, maybe older. There's no age limit! Rats become capable of mating at four to five weeks of age and females may get pregnant at any point in their lives. At this point, if one is raising rats, they must be removed from their mother and placed in separate cages according to gender (should be easy--male rats are easy to identify!).

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16y ago

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