Shedding is what allows snakes to grow. A meal of around 20% body weight once a week for a hatchie/juvenile, you can expect it to shed aound every six weeks or so on average. It will vary a little, depending on the snakes' metabolism and just how much it is being fed at each meal.
Sometimes snakes shed several times in a short period of time. This is not normal and will be related to some other issue the snake is experiencing, other than a "growth spurt".
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