Is this right?

I have read here that I should be feeding my bps a mouse or rat that is 15% of the snakes weight right? So my spider is 495g, I should be feeding a rat or two that equals about 74.25 g?

Tonight my spider who is 495g ate a 23g and a 15g mouse. He should be eating way more right?
My pastel who is 190g ate an 18g mouse and my 73g normal ate a 16g mouse. Is this an ok amount?

I have been going off of size of mouse compared to snake with my normal but we just got the two bigger boys and I'm not sure if they are getting enough to eat.:confusd:

In my opinion you do not need to weigh the food. feed them prey around the same size as the fattest part of their body. a little bigger or smaller is ok.

From my understanding for balls you want to feed them 10-15 percent of their body weight. I don't weigh my food but I weigh my snake to know what size of prey I should be feeding. I feed frozen and the box they come in gives an approximate weight, so by weighing the snake I know what size prey to buy.

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While many people follow this method, you don't need to weigh every gram. I don't weigh my prey, and I do fine. I feed mainly by size. I look for the prey I offer to be roughly the same diameter as my snake. So, my little hatchling boy who's roughly as big around as a nickel, he eats adult mice. My monster female, who's as big around as my bicep, is perfectly capable of eating a large rat but I prefer to feed her no bigger than a medium.

At around 500 grams, you could easily be feeding him adult mice or even better, feed him rats that are just beyond the weaned stage.

Your 200 gram pastel can eat young adult mice. The little normal can do weaned mice easily.

Gale