Agudelo Gómez, Divier AntonioBedoya Mejía, Oswaldo2012-05-242012-05-2420051794-4449http://hdl.handle.net/10567/349The definition of milk is given by its origin, and refers to a normal product from the sane cattle s mammary glands, obtained by making one or more daily extractions, or milkings, made hygienically, completely and without interruptions. Milk provides basic nutrients in human feeding. The composition of milk is not stable during lactation and can be affected by internal and external factors concerning the animal, therefore affecting the quality of the product.esNutriciónCorporación Universitaria LasallistaLeche - CalidadGanado lecheroNutrición humanaLecheLeche - AnálisisArticle