Boral Canadian canned dog foods have 95% of the protein from Meat/Fish and have almost no carbohydrates or starches, helping lower your pets risk of unwanted weight gain. Heritage Turkey dog food is made from Canadian turkey. No cereals, grains, artificial colour, gums or thickeners added. Zinc and manganese are important for skin health and coat quality, including better hair coat length/shine, enhanced skin integrity, and wound healing. Zinc, manganese & iron all contribute to pets growth and development, including bone development and joint maintenance/repair.