Nowadays, pets, such as cats and dogs, are the major animal species that to be interested in by human. Healthy and happy outlook of cats and dogs strictly depends on their adequate and balanced nutrition. Under normal conditions, cats and dogs find and choose their foods on their own. However, cats and dogs fed under human control have no chance to choose their foods. Their nutrition schedules are composed by human. Therefore, mistakes made by human in cats and dogs nutrition will affect their health negatively and can be lead to several problems, such as muscle-bone disorders, immunity deficiency, hair anomaly..etc. One of the basic rules to own a healthy cat or dog is their balanced and adequate nutrition.