new cloning techniques

"Skin cells bring cloning a step nearer to efficiency," Nicholas Wade, New York Times, Jan. 5, 2000The much-heralded era of animal cloning has moved closer to fruition with a new technique that seems far more efficient than earlier methods. With the new cloning technique, four calves, now 7 months to 9 months old, have been cloned from skin cells scraped from the ear of a prize Japanese bull.