Show value of guinea pigs the guinea pig or cavy Is is commonly kept as a pet possessing the advantages of being clean harmless and without offensive odor from a commercial point of view his value is for laboratory ard and experimental purposes the original ancestors ol of the domestic guinea pig are thought to have lived in the highlands ol 01 peru where they were domesticated by the incas they were allowed to run freely about the homes of their owners and were probably bred tor for their food value |