Cellulose is broken down in the rumen mainly with the help of by Sunday | Apr 12 | Animal Husbandry WAEC | 0 comments A. Bacteria B. Fungi C. Protozoa D. Viruses Correct Answer: Option A = Bacteria Users Also Read These:In which of the following processes are larger…Traditional practices which can be sanctioned by…The process in which complex substances are broken…Which of the following will not help milk let-down…Which part of the plant cell contains cellulose?