Feeding time

[Bogertophis]

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A larger rat like the one in your photo is also harder to heat up all the way, especially with a hair dryer. I'd recommend thawing it for 3-4 hrs outside of the fridge, then heating it in a container of warm water (the hottest water that will come out of the tap) for 10 mins, changing the water, waiting another 10 mins, and then offer it. That way the internal temperature of the rat will be warm as well as the external temperature.

If your BP hasn't eaten for a while, maybe try a smaller rat next time since that will be easier to thoroughly heat up and may be easier for him to eat.

Excellent points! I don't have any rat-eating snakes any more, & I sure don't miss thawing rats, especially those larger than "small"- their fur is very thick, so it "insulates" their body, making it much harder to THAW them. If you don't really feel them deeply with your fingers, it's easy to miss it if they aren't fully thawed internally...I wonder if that could be the OP's problem here? Combined with how fast they cool off, if, as you suggested [Luvyna], only the quick heat from a blow-dryer was relied upon too heavily to get the job done.

I also agree that I'd try feeding smaller rats- male BPs seem to accept them more reliably. Plus they're easier to warm. It just doesn't pay to try to make up for missed meals by giving meals that are bigger than the snake wants anyway.