This is geared mainly toward babies but the advice is sound and the priciples a steadfast, just try and look at it in a grander 5 foot long boa scale LOL.
This too is posted on my web site with many other in depth answers to common questions. Please feel free to look around in there if you have any other questions. If you can't find the answer there feel free to contact me.
Well here it goes.......
My snake won’t eat!
Ask yourself some questions about why the animal is not eating (snakes don’t go on hunger strikes for political reasons). Could the problem be environmental? Is the snake feeling stress due to its caging and refusing to feed because of it? A proper hide box makes a snake feel more secure and hidden from danger . Without this a young snake may not eat because it does not feel safe.
Is the cage too big? Many new herpers, in their zest to make the perfect snake habitat, will put their newborn Boa in a large cage or tank. The snake may just not find the food in such a vast home. A small, compact, well setup cage is often the key to getting started on the right foot.

What type of substrate are you using and is it safe? Cedar chips and most other aromatic woods are lethal to reptiles and other substrates may also be harmful, or less than ideal, adding to the overall stress of your animal.
Is the temperature too hot or too cold? A cold snake won’t eat. Many new herpers will keep their pets too warm because a pet store stressed to them to keep them "really hot". New keepers may also have a poor grasp of the actual cage temperatures that they are running. Measure the temperatures in your cage!. An 82-90 degree temp should be good for most Boids and many Colubrids. Understand the necessity and benefits of proper heat gradients.
Is the humidity ok? If you live in a desert type area it may be too dry. Clean water should always be present but spraying/misting may be needed several times per week.
That’s a basic look at environment now what about the food types?
Are you feeding it correct sized prey items? Something too big may intimidate the snake. Something too small may not stimulate a feeding response. Typically, the prey item should be as big around (at it’s fattest point) as the largest part of the snake, the width of the midsection. Baby Ball pythons and baby Red Tail boas don’t eat pinkies, they eat hoppers or small adult mice. Baby corn snakes will have no trouble fitting their little heads around an appropriately sized pinkie mouse (they can do it, i promise!).
Is the snake refusing rats or mice? If it is refusing one try the other. We have had snakes prefer either or as their first meal.
Are you feeding live or frozen? Some snakes may take to live over frozen/thawed. The body heat seems to trigger the feeding response. Others will take to thawed over live because the movement discourages them.
What time of day are you trying to feed the snake? Some snakes will feed better in the evenings while others will feed better in the mornings, try both.
Are you giving your snake enough time to feed, are you being a Mother Hen? Over zealous herpers will check on their new pet every few minutes while feeding. Your snake will develop a strong feeding response over time, but at first they need privacy to feel secure. Also try to keep the prey item in over a 12-hour period without disturbing the snake (be careful with live prey and aggression). Novice keepers will remove the prey after just a few minutes in the cage thinking that if it did not happen immediately it won’t happen at all.
Now as far as how often to try and feed? Don’t do all these suggestions in a day’s time! Check the cage environment and try 1 method every 2-4 days until the snake eats. That’s not to say try it every day for 4 days straight! Try it once and if it does not work try again in a few days with another method. Offering all these different things to your snake at once will confuse it and may prolong the feeding process.
FORCE-FEEDING should be the last thing on your mind! Too many people are too quick to force a meal on a snake. After weeks of pulling out your hair, trying all things under the sun and thinking about just freezing the "damn thing", one day you will walk in and find that the pinkie is gone. You’ll check the entire cage, under and around the water bowl, under the substrate/newspaper. You’ll even look around the outside of the cage as if by some miracle this small, blind, hairless animal climbed out of the cage to safety. Then it will hit you, oh my god it ate!!!
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Jim Hopkins "Hoppy"
Hopkins Holesale Herps
Hopfam1@aol.com
