Gene editing mulled for improving livestock

Gene editing, which has raised ethical concerns due to its capacity to alter human DNA, is being considered in the United States as a tool for improving livestock, experts say.The technique is different than that used in genetically modified organisms (GMOs) because it does not introduce foreign genes, but rather alters already existing DNA."Gene editing is one of the newest and most promising tools of biotechnology," Alison Van Eenennaam, an expert in animal genetics and biotechnology at the Un