Scientists genetically engineer cows free of proteins that cause mad cow
Sunday, 31. December 2006
SAN FRANCISCO (AP) – Scientists have genetically engineered a dozen cows to be free from proteins that cause mad cow disease, a breakthrough that may make the animals immune to the brain-wasting disease.
Scientists genetically engineer cows free of proteins that cause mad cow
Sunday, 31. December 2006
SAN FRANCISCO (AP) – Scientists have genetically engineered a dozen cows to be free from proteins that cause mad cow disease, a breakthrough that may make the animals immune to the brain-wasting disease.