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%).
Views â¢ Quora User has 90+ answers in. Food. Chuck is a specific cut of beef. When I buy ground chuck, it's because I want chuck: the percentage of fat in chuck is considered good for hamburger. In ground beef, there are no guarantees of the cut of beef, and thus no guarantee of the texture or the fat percentage.