This is the earliest we will sell kids, we like them to get a good start. If we are selling the mother, but keeping the kid, the mother stays here until her kid is at least 8 weeks old. If you are letting the mother goat raise, and nurse, her own kids: There is really no reason for you to have to wean the kids.It causes undue stress on the kids as well as their mother. The mother will naturally wean her kids when she feels the time is right (or she is just plain sick of them).f we are selling the mother, but keeping the kid, the mother stays here until her kid is at least 8 weeks old. Weaning.... If you are letting the mother goat raise, and nurse, her own kids: There is really no reason for you to have to wean the kids.