Abstract

Form animals require food for growth, production of milk and performance of mechanical work over and above the amount required for the upkeep of the body. Nearly one half of the feed consumed by an animal is required for main- tenence. Insufficient supply of feed naturally results either in a falling off in the production or in the conversion of body substances into products. Hence, it is hardly possible to improve the cattle only by breeding when they are not properly fed. Requirements of cattle Food is necessary to supply energy, protein, minerals and vitamins Fnergy or fuel is required to maintain body temperature and to support the vital activities of the various organs; protein to repair and build up body tissues or to supply the protein of milk, minerals to form bone, maintain the mineral matter of the body or to supply the requirements of milk. Vitamins are necessary for the efficient functioning of the cells and organs of the body.

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