milk fever

Hi all, As I just posted in my post re: Nibbles and her quads, she 'miraculously' came back to life after essentially being a goner. She now won't let me take the lambs away from her - if I do she races around, and ignores her feed completely. At least with her lambs there she'll eat a bit...

So, I'm a little confused- about half of what I read says to increase calcium intake during late pregnancy with alfalfa or perennial peanut to prevent hypocalcemia, and the other half says to only feed "regular" hay during late pregnancy because their body will "forget" how to get the extra...