It really comes down to the Rats.
Some rat colonies are wonderful about raising piles of bubs together, while others are rife with trouble. Some males develop aggression towards youngsters, some females will squabble over pinkies and be constantly tugging, stealing, and rearranging babies.
If your source for breeding rats has been successful keeping theirs in a colony, then you'll probably do fine too since the work has been done to get a good group going. If however you notice females getting very round, yet no babies 23 days after being bred (and deflated momma bellies) then plan on housing mums separately. All is not lost however; keep selecting laid back paternal males & maternal females and weed out any aggressors. It wont take long to have your own friendly, happy, baby-loving line.
Good luck! Can't wait to see photos of your new arrivals
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