Since it had mites and loose skin I'd say there's probably a good chance that it is underweight. Both are signs of neglect. At 11 - 12ft I feel it should weigh somewhere around 45lbs. A few months of proper feeding and exercise should get it back into shape if that's the case. Can you post a pic?



As for prey size, I'm not good at saying what weight prey a certain size snake should have, I never weigh any of my prey and raise my own. I can tell by looking at them, though.



I prefer feeding them prey that is less than 1 1/2 times their body diameter. Actually, I prefer to give them a few smaller prey versus one large, like 2 - 3 prey that are about the same diameter of its body or just a tad bigger.



Assuming that the snakes you already had are in good condition from your feeding regimen, I say use the same ratio for this burmese.



Some people like feeding large meals every 3 weeks or so and some like feeding smaller meals more often. I feed smaller meals more often to try to keep their body's vitamins & nutrients to a steady, constant state instead of big fluctuations.



I'd prefer to feed it two 3-pound rabbits instead of one 6-pounder, if those sizes are compatible with the snake's size.



A pic of the loose skin and one of the prey lump it has now would be helpful.



Sorry for the rambling, I hope I didn't confuse you more.



Take care!

HH
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Due to political correctness run amuck,

this ol' hillbilly is now referred to as an:

Appalachian American

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