Petlac is an economical milk replacement formula that provides puppies with complete nutrition that is easy-to-digest and is a good match for mother's milk in protein, fat and carbohydrates. Containing milk and vegetable proteins, petlac is also fortified with key vitamins, minerals and essential amino acids required for proper growth and development. The petlac formula is especially beneficial for developing digestive systems, because it contains prebiotics plus probiotics - a source of live, naturally occurring microorganisms.