We bought many different special veterinary renal cat foods to see if our cat with chronic kidney disease wants to eat it and which one tasted best. We bought two different types of dry food a bag of Royal Canin veterinary renal cat food and two samples of VetLife Renal feline formula by Farmina Pet Foods. We also bought wet food versions of those a can of Farmina Vet Life Renal feline formula and two bags of Royal Canin thin slices in gravy renal with chicken and renal with fish. We also bought TROVET Renal & Oxalate Complete RID dietary feed for adult cats with renal failure / calcium oxalate veterinary diet, then KATTOVIT feline NIERE (kidney) / Renal drink mit Huhn (chicken) and lastly Vet Solution Renal and Oxalate by Monge Grain Free Veterinary Diets. Feline kidney disease and kidney failure in cats chronic kidney disease in cats.