The aurochs (/ËÉËrÉks/ or /ËaÊrÉks/ ; pl. aurochs, or rarely aurochsen, aurochses), also urus, ure (Bos primigenius), is a grand extinct wild ox that inhabited Europe, Asia and North Africa. It is the ancestor of domestic cattle.ecause some cattle breeds have been changed more than other breeds, certain breeds (all belonging to the so-called landraces) bear a greater resemblance to the aurochs. These breeds are not very productive from the economical point of view, as they do not give as much milk or meat as others.
Study Breakdown. Here is a breakdown of what you might find in a fast food hamburger according to the studyâs findings 1  : Water content by weight ranged from 37.7% to 62.4% (mean of 49%). 2  Meat content in the hamburgers ranged from 2.1% to 14.8% (median of 12.1%).
Pink slime, a cheap meat filler, is in 70 percent of the ground beef sold at supermarkets and up to 25 percent of each American hamburger patty, by some estimates. It kind of looks like play dough, said Kit Foshee, who was a corporate quality assurance manager at Beef Products Inc., the company that makes pink slime.