two litters together?

Question
We have one male in with 5 females. we raise rabbits for pet stores and feed stores in our area. Our rabbits are mini holland lops and dutch, also neatherland dwarf mixed with a mini rex dad. Our females do tend each others babies we have noticed but never saw 2 have a litter the same day in same box help................ we are worried moms will not care for them or if mabe one could have 13 bunnies herself. we need to make sure they all are okay.
Michelle

Answer
Dear Michelle,

The best information I can give you is right here:

www.bio.miami.edu/hare/breeding.html

and

www.bio.miami.edu/hare/spay.html

The mothers should not be kept together, as this will cause stress and crowding.  Please let each rabbit have his/her own space, and provide large, clean, safe running areas for proper mental stimulation and quality of life.

Dana