I'm checking in with an update. She now is feeding on 170-190g large rats every 7 days and is about 7'9". She does appear to be adding a lot of girth now and don't feel comfortable increasing the rat size until she thins out by either growing in length or adding girth to her neck/head. Her head/neck looks like its starting to be to small for her body or vice versa. Can enclosure size play any role into growth? She has be cramped in a 4ft wide x 2ft tall x 2ft deep enclosure for close to three years now. I plan to have her in a 8ft wide x 4ft tall x 4ft deep enclosure in the next 2 months. Hopefully/can she begin to grow in length again?