trace minerals

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• Trace element — In analytical chemistry, a trace element is an element in a sample that has an average concentration of less than 100 parts per million measured in atomic count, or less than 100 micrograms per gram. In biochemistry, a trace element is a chemical …   Wikipedia

• sulfide minerals —    Minerals that are composed of one or more metals combined with sulphur. The most common is pyrite. They are believed to be produced by the metabolic action of micro organisms, and are found in many sedimentary rocks, usually in trace amounts …   Lexicon of Cave and Karst Terminology

• Chelates in animal nutrition — Zinc sample Poultry and his nutrition …   Wikipedia

• Nutrition — The Nutrition Facts table indicates the amounts of nutrients which experts recommend to limit or consume in adequate amounts. Nutrition (also called nourishment or aliment) is the provision, to cells and organisms, of the materials necessary (in… …   Wikipedia

• nutrition, human — Introduction       process by which substances in food are transformed into body tissues and provide energy for the full range of physical and mental activities that make up human life.   The study of human nutrition is interdisciplinary in… …   Universalium

• dating — I In geology and archaeology, the process of determining an object s or event s place within a chronological scheme. Scientists may use either relative dating, in which items are sequenced on the basis of stratigraphic clues (see stratigraphy) or …   Universalium

• Medicinal clay — German medicinal clay (Luvos Heilerde) consisting of loess, i.e. a mixture of sand, clay, and silt The use of medicinal clay in folk medicine goes back to prehistoric times. The indigenous peoples around the world still use clay widely, which is… …   Wikipedia

• Equine nutrition — is the feeding of horses, ponies, mules, donkeys, and other equines. Correct and balanced nutrition is a critical component of proper horse care.Horses are non ruminant herbivores of a type known as a hind gut fermentor. This means that horses… …   Wikipedia

• livestock farming — Introduction       raising of animals for use or for pleasure. In this article, the discussion of livestock includes both beef and dairy cattle, pigs (pig), sheep, goats (goat), horses (horse), mules (mule), asses, buffalo, and camels (camel …   Universalium

• Human nutrition — For aspects of nutrition science not specific to humans, see Nutrition. Human nutrition is the provision to humans to obtain the materials necessary to support life. In general, humans can survive for two to eight weeks without food, depending on …   Wikipedia

• feed — feedable, adj. /feed/, v., fed, feeding, n. v.t. 1. to give food to; supply with nourishment: to feed a child. 2. to yield or serve as food for: This land has fed 10 generations. 3. to provide as food. 4. to furnish for consumption. 5. to… …   Universalium