Generally up to 4-5 years. This may seem long, but they do come out near fully formed, after having ingested their host.\
Ummmmmmmmmmm.......NO! Rats are pregnant approx. 21-24 days before they give birth. Not 4-5 years. And they do NOT ingest their host/mum.
Rats don't even live 4-5 years
No unless interaction from a male rat (such as getting a rat that is about to have babies). two female rats can not have babies
The fmale rat will sniff the male rat, while he sniffs her at the same time. You will need to watch them for about an hour to make sure they don't fight. If you do not want babies, keep them separate. The male rat will try to mount the female rat, if he is not spayed. If you do want babies leave them together for 10 days (If they don't fight.), and you will surely have babies 21 days after she got prego.
60 babies
you have to very very very very very very carefully... its better to introduce them when they are babies....
Females are does, males are stags, and babies are pups (although some breeders call them kittens, the scientific term is a pup).
no the rat that doesn't have babies might eat the babies be safe with the babies
over a hundred
2
Because their father is a Ni99er
No, mice and rats are two different species. Rats have rat babies, mice have mouse babies.
Rats are not known for canabilizing their young, but babies should not be left without their mother for any longer than about an hour. They need to nurse.
up to 900 a life time