Even soybean, which has relatively high amounts of indispensable amino acids as well as essential fatty acids, is less digestible than many animal tissues. (highhopesforpets.com)
Dogs can efficiently digest them to get a balanced blend of indispensable amino acids. (highhopesforpets.com)
«At present, no method is entirely reliable for determining the dietary requirement for indispensable amino acids.» (diagnosisdiet.com)