Is this weird for breeding mice? Mice breeders only thanks?

Raven

Member
May 19, 2008
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I have some mice that have a weird behavior that I am not use to. When they have a litter they raise it like normal but they get very large for the next litter of babies and then don't have the babies at 28 days, they wait till the first litter is 100% gone. The babies are 5 weeks old when I take them out. You would think the mothers would have their young but they wait till 1 to 2 days after I take the older litter out.

Just wondering if this is normal?

Because I have another tank of mice that have babies like they should. If the first litter is in the cage or not.
 
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