Blood as food and is sometimes called "liquid meat" because its composition is similar to that of lean meat. Blood collected hygienically can be used for human consumption, otherwise it is converted to blood meal. Special fractions of animal blood are used in human medicine. Blood sausage is any sausage made by cooking animal blood with a filler until it is thick enough to congeal when cooled. Pig or cattle blood is most often used. Typical fillers include meat, fat, suet, bread, rice, barley and oatmeal. Varieties include biroldo, black pudding, blood tongue, blutwurst, drisheen, kishka (kaszanka), morcilla, moronga, mustamakkara, sundae, verivorst, and
Oatmeal and sometimes as a way of adding relatively low-cost fibre and nutritional content to meatloaf. Unenriched oatmeal, cooked by boiling or microwave, is 84% water, and contains 12% carbohydrates, including 2% dietary fiber, and 2% each of protein and fat (table). In a 100 gram amount, cooked oatmeal provides 71 Calories and contains 29% of the Daily Value (DV) for manganese and moderate content of phosphorus and zinc (11% DV each), with no other micronutrients in significant content (see table on right). Oatmeal and other oat products were the subject of a 1997 ruling by the Food and Drug Administration