My normal has always been on f/t, I can just flop it inside the enclosure shortly before the lights go out, and it's usually gone within a half hour.
My albino I recently switched to f/t. He won't take it as easily, I have found by holding the rat by its tail, and sliding the rats body in and out of the entrance of the hide to mimic movement, my albino snatches the rat up pretty quick and has not yet refused a f/t meal.
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