Disclosed herein are compositions comprising an isolated cellulose degrading fungus. Also disclosed are culture compositions and bioreactor compositions comprising the cellulose degrading fungus. Further described herein are filtration and extraction devices comprising the cellulose degrading fungus. Still further disclosed are bioprocessing facilities for and methods for producing co-products resulting from one or more bioprocesses of the cellulose degrading fungus.

An animal feed such as a milk replacer includes a soluble fiber and a sugar alcohol. The milk replacer enhances weight gain, starter intake and reduces weaning time. The method of feeding the animal includes feeding a mixture of a soluble fiber and sugar alcohol. The animal feed may be used as a method of weaning young ruminants such as calves.