now we r up to a 240 bottle but she usually leaves 60 to 80 mls each time. .
Gosh my DS1 would only ever take a max of 200 and he wasn't on a bottle until 7 months - wouldn't worry about that at all!!

My DD is little, that is just her, and she only have had on avg 140mls - she wasn't on a bottle until 5 months either.

So Kat - sounds like he is doing just fine!!! Just my