Factors influencing the risk of urolithiasis in dogs include the concentration of the solutes involved, urine pH, genetic or metabolic disorders, lifestyle and body condition, and the presence or absence of various promoters (such as bacteria) and inhibitory factors (such as citrate and pyrophosphate). (waltham.com)
Canine and Feline Calcium Oxalate Urolithiasis in Dogs and Cats J.L. Westropp University of California, Davis School of Veterinary Medicine (dog-health-guide.org)
Cats with a history of struvite urolithiasis should be fed diets that are low in magnesium and that create urine with an acid pH. No other foods or treats should be given. (riverbarkvet.com)