Cows raised on organic and conventional dairy farms in three regions of the U.S. show no significant differences in health or in the nutritional content of their milk, according to a new study by Oregon State University researchers and their collaborators.

Unlike cows that haven't ever had a run-in with wolves, ones that have can experience stress-related illnesses and have a harder time getting pregnant – meaning decreased profits for ranchers, according to a new study by Oregon State University.

Dairy cows that are fed flaxseed produce more nutritious milk, according to a new study by Oregon State University.