With little ones you need to be careful when they go on hunger strikes because they have less weight they can lose. If my 2000g normal female decided she wanted to go on a hunger strike I wouldn't care, but if any of my 100-200g babies went on hunger strikes I would start looking at my husbandry and things I could do to make them start eating again. It's been my experience that babies are less prone to hunger strikes once they start eating.