Cake hasn't eaten in 3 weeks so far. He's 6 months old and around 500g when I last measured a month back. I've offered an F/T small rat once a week and a half ago, which he had no interest in (but wasn't scared either) whatsoever. He then rejected an F/T mouse that same day, which he always ate before.

I offered the F/T rat again to him today, and he was curled up in an S position, struck once at the rat and let go... indicating that he was scared of it. He was already out of his hide before I offered, so I thought he was hungry... but I guess not...

I can try an F/T mouse again next week, but... should I be blaming this on just seasonal fasting?

The fact that he's scared of the rat and struck defensively makes me wonder if there's something else wrong.