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 ...

Eating grass–sounds simple, right? But behind this everyday process lies a highly specialized system in many hoofed animals that is unique. Who would have thought that a cow or a deer needs four ...

Cows, along with sheep, goats, deer, antelope, bison, buffalo, moose, elk, and reindeer, are all ruminants. These are mammals with four compartments in their digestive system that let them re-chew and ...

Research led by a University of Wyoming graduate student involving about 50 scientists from across the globe has provided new insights into the behavior of ungulates (hoofed animals) as it relates to ...

The discovery that a bacterial species in the Australian Tammar wallaby gut is responsible for keeping the animal's methane emissions relatively low suggests a potential new strategy may exist to try ...

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 ...