Tuna Fillet with Shrimp Calorie Content: (ME, Calculated as fed): 642 kcal/kg, 44.9 kcal/pouch. Tuna Fillet with Sea Bream Calorie Content (ME, Calculated as fed): 642 kcal/kg, 44.9 kcal/pouch. Chicken Breast Calorie Content (ME, Calculated as fed): 607 kcal/kg, 42.5 kcal/pouch.