I have a male who is the same way. He was raised on live fuzzy rats, and I'm going through the process of switching him to f/t.
He has refused multiple attempts at F/T. I used a Rubbermaid feeding tub the last time I fed him (small live rat pup), and his feeding response was amazing. The best yet. It had barely touched the tub when he struck. The tub is 8”wX4.5”hX13.5”L, so it is big enough to place him in one end, while the rat is placed a few inches away at the other. I line the bottom with paper towels, too. I figure, this way there is no way to avoid noticing the food right away.
It is my hope that after a couple more rapid feeds like this in the tub, he will get to the point of equating being int he tub with eating. Then I will introduce a freshly pre-killed rat, and if he takes it, then I'll try F/T the following week.
Salzedo is only 3 months old, so depending on the age of your snake you might need a larger tub, if you decide to try this. This is an ongoing process for me, so no results yet, but I feel I'm on the road to F/T!