Foods - cooked in a special process, physiologically acceptable food for animals in an accessible form containing the necessary nutrients to the animal. To feed are products of plant, animal and mineral origin, containing organic and mineral substances. The range of feeds that are used as feed for animals is very diverse and is characterized by different composition and properties. Vegetable foods are divided into the following groups: juicy, concentrated, forages, waste food and technical industries. Succulent food - it's green fodder, ensilage, roots and succulent fruit. Concentrated (energy or basic) food contains less than 20% protein and less than 18% crude fiber. 1 kg of feed nutritional value above 0.65 K. The group is concentrated feed are seeds of leguminous plants. Coarse or bulky foods are low in calories and energy per unit mass, and high fiber content (more than 18%). Nutritional below 1 kg 0.65 KE Waste food and technical industries. This group includes a variety of feed waste from the processing of agricultural raw materials for food and industrial purposes. Products that contain more than 20% of animal protein, marine or vegetable origin, called protein supplements. Animal foodstuffs - milk and it remains on its recycling, waste from slaughterhouses, fish and trapping, feeding stuffs and veterinary care utilizers. Forage mineral: salt, chalk, travertine, Rakushechnoe cereals, etc. In addition to these groups produce fodder feed additives, mineral supplements, vitamins and antibiotics. All of these products (feed) used in animal feeding, called feed. The range of feed used in livestock is very diverse and is characterized by different composition and properties. Among a large assortment of food is not such that would contain all the necessary nutrients, energy, and the biologically active properties of the substances needed for normal growth and development of animals. Feed of plant origin contain significantly less protein than required for most species in the intensity of their development. Animal feed rich in protein, but made them very little. Various food (juicy, coarse, concentrated) when fed to their animals, without adding other types of feed additives and animal feed does not satisfy the needs of the animal for nutrients. So are various mixtures of food - combined animal feed (fodder). The nutritional value of feed (feed) is characterized by the content of fodder units (KE) in 1 kg and 100 kg of feed (feed). For 1 k is taken sustenance of 1 kg of oats of good quality with a weight 450 - 480 g / l, 13% humidity. In that oats contain protein - 12% fat - 4.6%, cellulose - 9.2% nitrogen-free extractives BEV - 58% fat - 3.2%. Feed unit is the ability of the one kilogram of oats to give fat deposition in cattle in the amount of 150 g. Nutritional feed units defined in the tables and calculations on the basis of qualitative feed. Such a definition is only approximate, because a particular food may be different from the mean, which presents data in tables. Clarification of nutrition can be done on the basis of determining the nutrient content of a particular feed. The most prevalent design of certain nutrients in forage feed units, based on the chemical composition of a particular feed, the digestibility coefficients taken from previously conducted experiments, and the conversion factors digestible nutrients. The calculation of nutritive value of k is as follows. The content of protein, fat, fiber and BEV is multiplied by the coefficients of digestibility of these substances (expressed with two decimal places). Get the number of indigestible substances. Digestible nutrients is multiplied by the coefficient of Kellner. Receive the expected deposition of fat, which is multiplied by a factor of the usefulness of fat. Divide the resulting amount of fat by 0.15 (0.15 kg of fat is equivalent to 1 KE). Get the number because, in 1 kg of feed

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