The work of investigation was realised in the district of Ciao; province of Viru - the Freedom, with the aim of determining: The effect of different types from forages used in the feeding on the composition of milk in cows in the different stables from Ciao - the Freedom, to determine the percentage of total milk solids of cows of the locality of Ciao, to determine the effect of the different fodder species on the quality from milk of cow in the locality of Ciao. They analyzed the originating milk of 30 at random selected stables. For the milk analysis 6 samples by each stable in an amount removed from 100 ml Which were packaged in special and fillings in a box of tecnopor for their conservation and codified containers, soon to be sent for the respective analysis in the laboratory of the Nestlé of Chiclayo. They were processed using lactoscan. The used statistical design was Diseño of ...