Well to start can you give us some more details on your husbandry?
Cage type
Cage size
Heat source(s)
Thermometers/hygrometers
Thermostats
Where any thermometers/probes are located
Current temperatures/humidity
Substrate
Hides
What else do you have in the cage?
Originally Posted by Zombie
^^^^^this. Let us know these things and hopefully we can help pinpoint the issue. When he regurged, is there anything you did differently? Like change the size of food? Feed FT or live? Etc...
The OP has kept this snake alive for 16 years..........correct?
I'm going to ASSume that his husbandry skills are probably fairly good.
To the OP: PM me and we can discuss this via e-mail. I've got a couple of questions for you.