You should keep reading through Page 4. I offered a "radical" solution, and so far no one has commented on it. It would ruffle too many feathers to actually force the removal of the excess kittycat boxes on the market, even with a good incentive to do so, I guess.
I was/am involved with another breedable that tried once to put time limits on the offspring. It was a disaster!!!! People were angry etc. Just speaking from experience and I believe Calli was there at the time...it was not a good idea!