BOR Cat Functional LID All Breed Duck 4.5 kgBoreal Cat Functional Limited Ingredient All Breed Duck 4. 5 kg Canadian Brand. Boral Functional Limited Ingredients Duck Diet is a grain free food using duck (from Canada) as a single meat protein. This LID diet is hypoallergenic, designed to help sensitive stomachs, and is great for skin and coat troubles. Boral LID helps avoid sensitivities issues with easy digestion, having 1 meat protein, zero chicken, and using ingredients like tapioca and