Tenho um familiar com um cão São Bernado que tem estado a experimentar uma ração que penso que não existe nas lojas em Portugal, feita no norte da europa, e que apresenta resultados excelentes. Para não entrar em publicidades não vou dizer aqui o nome.
Gostava de perguntar aos ilustre foristas

(neste caso é para cães sensiveis de pelo, mas a mesma marca terá rações com outro tipo de equilíbrio e preços.
Dietetic dog food with fresh chicken for adult dogs of all breeds for reduction of ingredient and nutrient allergy and intolerances
Natural antioxidants
Natural (no added) colouring and flavours
No wheat
77.4% animal protein
Composition
Processed animal protein (35% rabbit, 4% fresh chicken liver & chicken heart), rice (parboiled, broken), dried beet pulp (fibres) (8%), brewers´ yeast, vegetable oil (4% rape seed), potatoes, pea flour, linseeds (4%), hydrolysed animal protein (chicken), fish oil (2% salmon), chicory inulin (0.5%), crude lecithins, potassium chloride, taurine, natural antioxidants (natural tocopherols, rosemary extract, rape seed oil, crude lecithins, citric acid, silicon dioxide), fructooligosaccharides, zinc-methionine, microencapsulated vitamin C, mojave yucca, chelated (organic) selenium.
Analytical constituents
Metabolizable energy 364 Kcal/100g
Protein 28.0 %
Fat content 14.0 %
Crude fibre 4.0 %
Crude ash 7.0 %
Moisture 9.0 %
Calcium 0.9 %
Phosphorus 0.6 %
Taurine 0.3 %
Vitamin A 14,400 IU/kg
Vitamin D3 1,440 IU/kg
Vitamin E 144 mg/kg
Vitamin C 40 mg/kg
Additives
Vitamins
E672: Vitamin A - retinyl acetate 18,000 IU/kg
E671: Vitamin D3 - cholecalciferol 1,800 IU/kg
E307: Vitamin E - alpha-tocopherol 180 mg/kg
Vitamin C - L-ascorbic acid 50 mg/kg
Trace elements
E2: Iodine (I) added as calcium iodate, anhydrous 6.9 mg/kg
E4: Copper (Cu) added as copper(II)sulphate, pentahydrate 20.0 mg/kg
E6: Zinc (Zn) added as zinc sulphate, monohydrate 233.0 mg/kg
E6: Zinc (Zn) added as zinc-methionin 200.0 mg/kg
E8: Selenium (Se) added as sodium selenite 0.2 mg/kg
E8: Selenium (Se) added as chelated/organic selenium 20.0 mg/kg
Amino acids
Taurine 0.2 %
Natural antioxidants