The chance of developing kidney disease greatly increases as cats get older (over 10-15 years of age).
Foods that are high in phosphorus can accelerate the progression of CKD in cats.
The risk for CKD may be higher in certain breeds of cats (e.g, Persians).
Other illnesses and health issues can contribute to the worsening of CKD in cats.
Any conditions that lead to dehydration (eg, vomiting, diarrhea, shock) can worsen kidney function and contribute to CKD progression.
The signs of early-stage kidney disease are not visible. On diagnosis, CKD has already been present for some time but may be managed with the help of vet-approved cat food for kidney disease. Signs of late-stage kidney disease tend to be similar but are far more noticeable to pet parents.
Nutrition for cats with kidney disease
If your cat has kidney disease, the right nutrition can make a positive impact on their lives. Specially formulated therapeutic foods that contain decreased amounts of phosphorus and highly digestible protein, and increased omega-3 fatty acids from fish oil have been shown to enhance quality and length of life in cats with CKD compared with feeding a typical pet food. Your cat’s appetite may vary over time when they have CKD and offering different forms (dry, stews) and flavors of an appropriate food recommended by your veterinary healthcare team can be very helpful. The single most important thing you can do is make any changes to a new food gradually because some cats need several weeks or longer to get used to a new food.
While it has gained some popularity online, using a homemade diet (or a raw diet) for cats with kidney disease requires you to take into account several factors, including contamination risks, balancing nutrients, and the overall cost. When looking into nutritional options for cats with kidney disease, it’s always best to get a specific recommendation from your veterinarian.
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When you bring home a kitty, it can be difficult to choose between wet and dry cat food. Both are ultimately excellent sources of nutrition and some pet parents decide to offer both. Each type of food presents its own advantages, so here’s what you need to know so you can decide what's best for your cat.
1Lulich JP, Osborne CA, O’Brien TD, Polzin DJ. Feline renal failure: questions, answers, questions. Compend Contin Educ Pract Vet. 1992;14(2):127–153. Brown SA. Renal dysfunction in small animals. The Merck Veterinary Manual website.