Microbial Fermentation in the Gut of a Cow

Microbial fermentation in the gut of a cow

A) produces fatty acids as a major nutrient for the cow.
B) occurs in specialized regions of the small intestine.
C) occurs in the cecum, from which food is regurgitated, chewed again, and swallowed into the true stomach.
D) produces methane as a major nutrient.
E) is possible because the stomach wall does not secrete hydrochloric acid.