Well, given that info, if I were in your shoes I would just hold steady with what you have. If they are eating (but not ravenously) with regularity I would keep going as you are. They may just still be settling in, and maybe aren't growing as fast right now. Snake care can require a big picture perspective which can be unnerving if you are used to more immediate feedback. It's great that you are inquiring about your husbandry and practices, it shows you care!
Sometimes i think i care too much ,,, not for animals but for humans lol
If you haven't learned something new today ,,,, go listen to: Gang Starr - Moment of truth. R.I.P