I have two 10 gal aqur. with 1 male and 3 female mice in each cage. I have had mice in this arrangement for about 18 months. I have cycled in new breeding males and females so these mice are only about 4-6 months old. They have all been breeding well until it got cold here (temps outside from 30's to 50's). Last winter there were in the same room with temps around 50 deg at the coldest (it's where the corns stay for the winter) and they had pinks all year long. For some reason this year, both cages have stopped having pinks....any ideas why? The cold didn't make a difference last year...nothing else is different that I can think of. Anyone else having the same experience?
Thanks in advance.


