Kidney disease refers to any condition that affects the functioning of the kidneys, which are responsible for filtering waste products and excess fluids from blood. Full definition
The prevalence and classification of chronic kidney disease in cats randomly selected from four age groups and in cats recruited for degenerative joint disease studies. (pethealthnetwork.com)
But providing dogs and cats with kidney disease with no more protein than they require to remain healthy seems like quite a good idea. (2ndchance.info)
Read this article for signs of liver disease in dogs and this one for signs of kidney disease in dogs. (theeverythingdogsite.com)