Share 'Baby Formula for Foster Baby'

Hi everyone, I am a foster parent and we go a 2 month old baby on Friday evening. She was born 4.5 weeks premature, so she is small like a newborn and she acts like a newborn, too. She was pretty weak when we got her but she is starting to improve some. I am pretty new to the 80/10/10 and eating raw in general. What is the best option for formula? I'd ask the mom about giving me breastmilk, but t…