They can go off food for extended periods of time. Htachlings and Juveniles do not carry the same mass as adults so if they are off food for too long it can become a different issue all together.

Like Sookie said, lets get some Q&A going to see if we can't avoid a 'hunger strike' all together and get your little guy eating?

What size prey items are you feeding?
Mice or Rats?
Live or Frozen?
How is your husbandry? Temps? Hides? Enclosure Setup?