How to saftley power feed?

[sho220]

I have a 300g spider and I want to power feed her. What would be the safest way to do that? She eats adult mice, f/t.

Switch her over to rats, stop worrying about power feeding, and be thankful if she turns out to be a consistent feeder.

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Everything that's ever come of it is a small headed large bodied deformity.

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Any pics?