Duck Cat Food - For all cats, especially those with stomach or skin sensitivities. KOHA Limited Ingredient pates are ideal for elimination diets and rotational feeding. Our Duck Pt Cat Food contains premium Duck. All Limited Ingredient Diets include New Zealand green mussel to support joint health, pumpkin for healthy digestion and cranberries for urinary tract health. KOHA Pet Limited Ingredient Diets have been formulated to meet the nutritional levels established by the AAFCO Cat Food Nutrient Profiles for all life stages.