Simple: millions of years of evolution that provided adaptations that allow
ruminant digestion to convert grasses into all the nutrients they need.
It is not yet technically possible to determine whether an extinct animal chewed the cud from stable isotope analysis, although this approach may someday prove to be useful in determining whether a particular fossil indicates
a ruminant digestion.
Not exact matches
Methane is a by - product of
digestion of grass and other plant matter by
ruminants.
Ru - Mend ® is a direct - fed microbial product designed to enhance ruminal
digestion and feed efficiency in
ruminants.
There are clear differences in the
digestion of
ruminants from other mammals, since they not only digest the plant matter but also the bacteria that live in the gut and digest the cellulose.
They are also used extensively in veterinary research, studies of
digestion in
ruminants, and research on the impact of farming on the environment.
Ruminants, which ferment plants in a specialized stomach before
digestion, are estimated to be the largest single human - related source of methane, with greenhouse - gas emissions from sheep and cattle 19 to 48 times higher than beans or grains per pound of food produced, according to the report.