There are many kinds of proteins, which are made of complex, organic compounds. Each type of protein consists of a varying mix of amino acids attached to each other with peptide bonds. Dogs can manufacture some of the 22 amino acids found in their bodies, but need a dietary source for others. Amino acids build body proteins, which in turn function as components of enzymes, hormones, a variety of body secretions, and structural and protective tissues.
Feeding your dog fresh