Engineered cows may have mad cow immunity (CNN.com) SAN FRANCISCO, California (AP) -- 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. [News Source]

Genetically Engineered Cattle Could Resist Mad Cow Disease (RedNova) By Elizabeth Weise Scientists at a South Dakota biotech company have genetically engineered cattle that appear to be resistant to mad cow disease, a paper published in the Monday issue of the journal Nature Biotechnology reports. [News Source]

Gene-Engineered Cows Resist Mad Cow Disease, Study Shows (Environmental News Network) U.S. and Japanese scientists reported Sunday that they had used genetic engineering to produce cattle that resist mad cow disease. [News Source]

Could Genetic Engineering Eradicate Mad Cow Disease? (Medical News Today) Scientists from the US and Japan have bred a dozen calves that don't have prions - the infectious proteins that cause mad cow disease.The research project is reported in the online journal Nature Biotechnology.Preliminary tests suggest that the brains of the genetically engineered calves are immune to Bovine Spongiform Encephalopathy (BSE, or mad cow disease). [click link for full article] [News Source]

Scientists create mad-cow-free cows (Southeast Missourian) 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... [News Source]

Scientists genetically engineer cows free of proteins that cause mad cow disease (The Canton Repository) SAN FRANCISCO (AP) - 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 d... [News Source]

Mad Cow Engineering Makes Scientists Happy (ABC 7 Denver) Scientists are hoping that genetic engineering will result in a cow that can't get mad cow disease. [News Source]

Cows engineered to lack mad cow disease (WHNT-TV Huntsville) SAN FRANCISCO Scientists are hoping that genetic engineering will result in a cow that can't get mad cow disease. An international team of researchers from the U-S and... [News Source]

Cows engineered to lack mad cow disease (KOIN News 6 Portland) SAN FRANCISCO Scientists are hoping that genetic engineering will result in a cow that can't get mad cow disease. An international team of researchers from the U-S and Japan says it's "knocked out" the gene responsible for making the proteins, called prions, that cause mad cow. [News Source]

Scientists Engineer Mad Cow Free Cows (NBC 11 Bay Area) Scientists have genetically engineered cows to be free from the proteins that cause mad cow disease. [News Source]