In ruminants bacterial action takes place in

Options

(a) rumen
(b) omasum
(c) abomasum
(d) both omasum and abomasum

Correct Answer:

rumen

Explanation:

Both rumen (the largest chamber) and reticulum (smallest part) of ruminant stomach contain numerous bacteria and protozoans, that bring about fermentation and digestion of cellulose.