What size prey do you feed your adult BP's?

My female (~1200g) eats 3 adult mice a week. Used to eat small rats....but has become a princess as of late. As others have mentioned...BP's seem to like smaller prey...I've tried feeding medium rats but they seem to "scare" her. My boa on the other hand will eat anything.

My biggest girl (3000 grams) eats large rats. I do not know how much they wiegh but they dont leave a noticable lump in here. I feed here every other week when I feed here a large rat. This girl is awsome. She eats f/t but the the only way she eats its is if I drop it in and walk away. No wiggling or nothing. She dosen't even constict. It dont get much better then that. Oh wait it does she's locked up with my Mojave right now.

im curious as to when to upgrade the prey for my ball python. I know it can only be the width as the widest part of her. What i am unsure of is if shes 383grams currently how many grams should i aim to feed her? does it matter if its two rats or one to equal that? when would u know to upgrade from the small rat to medium rat etc.

I breed my own rats I have snakes that way from 800g - 1600G right now so I freeze my rats off at about 90G or so and everyone gets one small rat a weak. I really had not planned on feeding anything larger as all my snakes seem to eat fine and are growing nicely :)

Once my male normal reached 1600g, he started taking medium rats. Below that weight, I'm feeding smalls, weaned, hoppers, etc..

i guess everybody just have different preference, i feed my 1000G male medium rat weekly and he eats it like a champ. never refused a meal and strikes as soon as i drop the live rat (100g-120g). and for my 400G male, i give him small rat and takes it no problem. a lot of times the rats seem bigger than my snakes biggest part of the body, but after the rats get constricted they seem to get a lot thinner.

I feed my adult females between 100&200 grams. Every 7 days.

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Im feeding my het albino female 2250g with 180g rats and you cant see it in her next day. Males for breeding are feed with 60g rats every other week so they stay in 1000g range. Also have bumble bee female 2000g that is feed with 110-115g and she looks fat.
I have only 15 bps and i measure them every 15 days and then you can see is rat to big for snake that you feed.

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Hmm, I'm a bit confused, I thought everyone just used the 15%-20% rule? For 600g-800g females that would be a 90-120g size rat (medium) right?

I thought it was 10% - 15% but yea, that is what some folks do, others feed a prey size that is the same as the widest part of the ball.

I myself feed 1 small a week to each of mine that are of appropriate size and bigger. Of course hatchlings and little bigger get pinkies and fuzzies and weaned until the reach size to get small, then they stay on small the rest of their time.