i have a cat that had babies 5 weeks ago,,, and 2 where killed,,, when should she stop breast feeding,,, and when is it a good time to have them use the litter box,,, this is my first set of kittens i had.... and it has been fun wacthing the grow ,,, and my nephew that is three is alos find it is kool to see them from the first time the where born and watch them grow,,,                    thanks Annna Turnwald