Feeding question

I've owned balls my entire life. I should be used to their picky behaviors. That being said...

Nico, my sub adult normal, usually noms 3 ~12g hoppers a week [he is just now hitting 400g]. He won't take rats [dunno why, but turns his nose up], so I decided to try him on adult mice. For the past 2 weeks, he'll take the first one...but then seems disinterested in a second. Which means he's 400g, and only taking around 25-30g per meal, once a week.

I'm trying to follow the 15% rule, but he's not cooperating.

Is this bad for him, or am I to take this as he's just not hungry after the first mouse, and I shouldn't be concerned?

Thanks.

I wouldn't be concerned. Eating a smaller meal is better than no meal.

If you feed f/t try thawing mice with the rat and mix the scents up. I do this with the idea that once its time to move to rats they will already be used to that scent too and I should have a smooth switch. My ball needs just alittle more than one mouse and I had some rat pups that nobody was eating so I make up the needed grams with a rat pup after her mouse. She has never refused. Now maybe I'm lucky but she was eating mice thawed with rats first so in my head I think it helped thawing them together. I could be crazy.