She may be adding length and not so much girth. Snakes will continue to grow no matter what. Thats why they will still shed even if they are "fasting".
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Pat Higdon
Oklahoma City Herpetological Society Member 
1.4.1 dumerils boas, 1.1 albino burmese python, 1.2 ball pythons, 2.2.1 bearded dragons, 2.2.1 leopard geckos & 0.0.1 sulcata tortoise

