Produced from fresh selected ingredients, the AZOO line of freeze-dried foods are processed with advanced sterilization techniques and are free from contamination and pathogens. Krill (Euphasia superba) is extremely high in omega-3 fatty acid (HUFA) and contains over 60 percent protein. Krill size is approximately 35-50 mm long and 6-10 mm wide; their high-carotenoid pigment level improves flesh and external fish coloration. Tubifex Worms are dehydrated at sub-zero temperatures to retain freshness and nutrition. Blood Worms are produced from selected mosquito larvae and are high in protein.