Part One: Veterinary canine urolith epidemiology: 1981-2011 - DVM
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Part One: Veterinary canine urolith epidemiology: 1981-2011
Mineral composition trends have been stabilizing in recent years.


A continuing trend

Figure 4
On a side note, during the past 30 years, the number of canine urolith submissions has exceeded the number of feline urolith submissions by a ratio of about 4 to 5. This continuing trend is surprising given that there are more cats living with families in the United States than dogs living with U.S. families. For example, in 2011, we received 57,152 canine uroliths and 13,164 feline uroliths. This results in a ratio of 4.3 canine uroliths for every feline urolith that we received.

Editor's note: With the support of an educational gift from Hill's Pet Nutrition, as well as contributions from veterinarians and pet owners worldwide, the Minnesota Urolith Center is providing quantitative urolith analysis at no charge. Online submission, email notification and electronic retrieval of results are available. With access to our database of about 800,000 samples, the veterinary community is offered the latest information on urolith trends, treatment and prevention suggestions. For details, visit

Dr. Osborne is director and a professor at the College of Veterinary Medicine at the University of Minnesota.

Dr. Lulich is the co-director of The Minnesota Urolith Center and professor of Veterinary Internal Medicine at the University of Minnesota.


Source: DVM360 MAGAZINE,
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