Natal mammate mice

How big a distance can there be between the bars for a cage for theese kind of mice?

Oh, It's called multi-mammate

There should be no more then 1/4th of an inch or else you will have little hoppers (if you're breeding) running around your house and possibly breeding so 1/4th of an inch.

The babies can squeeze through 1/2 inch pretty easily. 1/4 should do the trick.

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what exactly are those? Arent ASFs also called multimammates?

I think they mean ASF.

hmm...shouldn't it be in the ASF section then? Its a bit confusing....