Feed Ration

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Feed Ration


the daily feed portion prepared from various feeds according to various animals’ requirements. It is based on feeding standards and information about the composition and nutritive value of feeds.

The feed ration must consist of feeds appropriate to the animal’s anatomy. The volume and content of the dry matter of feeds must correspond to the capacity of the digestive system. The ration should include a variety of feeds. The ration’s structure (feed ratio) varies with the type of animal, age, intended use, and manner of feeding. The feed ration is modified during the year with changes in the animal’s physiological condition (pregnancy, lactation) and changes in the conditions under which it is kept (winter and summer). In preparing feed rations, standards for planned rather than actual productivity are used.

In the case of nonpedigree herds, feed rations are based on an average animal’s age, weight, and productivity and cover the longest possible period. Rations for individual animals and rations for a short period of time are prepared only on cattle breeding farms or for highly productive or sick animals. Feed rations that supply the animal’s entire nutritional needs are called balanced. Those that fail to satisfy even a single standard requirement are considered unbalanced. To help the farms, scientific organizations work out model rations for the main groups of animals designed for different natural and economic conditions.




The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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The relationship between feed ration and body composition alongwith some haematological parameters such as haematocrit, plasma total lipids and cholesterol values was examined, keeping in view that the biological and haematological characteristics could be used as satisfactory criteria for the observation of the general hygienic situation and rearing progress of this fish from fingerling stage to their marketable size as suggested by Abbas and Siddiqui (2003).
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The feed ration certainly did not seem to be excessive.
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When horses are pastured, however, the feed ration must be supplemented with selenium (Karren et al., 2010; Brummer et al., 2013a,b).