BP not feeding

[The Serpent Merchant]

I usually just allow the rodent to thaw on top of the enclosire to room temperature... how could o warm it up a little more?

You feed room temperature rodents, no wonder your BP isn't eating. BP's hunt with their heat pits. Rodents offered need to be heated to around 38 C.

There are a few ways to do this. Many people use a hair dryer, others use heat lamps etc. Any radiant heat source should work. I wouldn't recommend using a microwave/oven/stove though as you don't want to cook the rodent.