Quote Originally Posted by MrLang View Post
I have no real reason to believe this has anything to do with your problem but I'm surprised nobody has mentioned it:

You got him over 2000 grams and have 'slimmed him down' to 1650? Maybe losing 400+ grams is putting his body in a position to feel unfit for the energy tax of breeding? 1 small rat a week doesn't seem like starving him, so don't think that's what I'm accusing you of or anything. I just wonder if the weight loss itself is affecting him.
Yeah I like my males small, but I wouldn't try to make a big male smaller!!!