Monday January 01st 2007, 9:15 pm
By PAUL ELIAS SAN FRANCISCO - Scientists have genetically engineered a dozen cows to be free from the proteins that cause mad cow disease, a breakthrough that may make the animals immune to the brain-wasting disease. An international team of researchers from the U.S.
[News Source]
Cows Engineered to Lack Mad Cow Disease (RedNova)
