Boreal Dog Healthy Grains Freshwater Trout 10 kgBoreal Dog Healthy Grains Freshwater Trout 10 kg Canadian Brand. Boral strives to make the best food for every dog, sourcing every possible ingredient from Canadian farms and fisheries. Boral Healthy Grains Freshwater Trout is high meat & low carb, with low glycemic index oats and barley added as 'good grains'. Boral centres around low glycemic foods to help keep your pet healthy. Prebiotics are added to aid in digestion, taurine for a healthy heart,