in this respect , the following determinations were performed in untreated barley straw ( control ) , and in incubated barley straw with the mushroom strain mentioned previously , for 45 or 60 days : ph , moisture , crude protein , ash , hemicellulose , cellulose , lignin , gross energy and in vitro digestibility of the dry matter .
C0007648
cellulose
C0023705
lignin