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
Maltesers (e442, soya lecithin, e492), palm oil, raising agents (e500, e501, e341), salt, gelling agent (pectin), flavouring. In Canada, the ingredients are: sugar, modified milk ingredients, malted milk powder (malted barley, corn syrup, modified milk ingredients, wheat flour, modified and hydrogenated palm oil, sugar, wheat gluten, sodium bicarbonate, potassium bicarbonate, salt), cocoa butter, cocoa mass, corn syrup, palm and palm kernel oil, lactose, malted barley extract, soy lecithin, ammonium salt of phosphorylated glyceride, pectin, sorbitan tristearate, artificial flavour. In Australia and New Zealand, the ingredients are: sugar, milk solids, cocoa butter, glucose syrup (sources include wheat), barley malt extract, cocoa mass,