Cows are notorious for chewing their cud, but did you know this is actually a key part of their digestive process? This chewing of cud, also called “ruminating,” is one feature of an interesting and ...

What they want students to learn with the lab is how a rumen works compared to a simple stomach, such as in a human, and why a ruminant needs its complex digestive system to break down the cellular ...

A lamb and ewe at the UC Davis Sheep Barn. Ruminants such as sheep, goats, cattle and deer are among the most successful and widespread groups of mammals. A new study of genomes of 44 wild and ...