What is her current size? Younger animals tend to get more frequent feedings, about every 4-6 days. As they get more size and meals get bigger the feedings get spaced out a bit more. There are a lot of factors that go into each snake, so it is not a one size fits all proposition. Just keep an eye on the growth realizing that young snakes get longer before they fill out. There are a lot of overweight snakes out there.