Castrillón Quintana, OliviaJiménez Pérez, Ricardo AndrésBedoya Mejía, Oswaldo2012-04-262012-04-2620041794-4449http://hdl.handle.net/10567/192In the whole world, the biggest problems faced by pig breeders is the generation of feces, which having a great potential of nutrients, contaminate the environment and can become the main obstacle for the future of the animal industry. Pig feces have been handled traditionally under a pigs-lawn-milk system, using the soil improvement for lawn with the fertilization of organic material, obtaining a better dairy production. To use the contents of the nutrients contained specially by pig’s manure, an alternative can be the conversion to unicellular protein, in a solid state fermentation process with microorganisms.esAlimentación animalPorquinazaExcretasEstiércolGanado - Alimentación y alimentosResiduos sólidos agrícolasResiduos sólidos - AprovechamientoArticle