Lifetime, owner-reported
Share of dogs whose owners report the dog has ever had the condition.
Counts everything a dog has ever had, so it runs higher than a one-year rate and is not comparable with one.
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27,541 US companion dogs in the Dog Aging Project, owner reported
6.5% 3.8% to 10.8% -
27,541 US companion dogs in the Dog Aging Project, owner reported
5% 3.3% to 7.3%
Owner survey
Share of dogs whose owners reported the condition at one point in time.
Depends on owners noticing and recalling. Mild or resolved cases are undercounted.
1-year clinical
Share of dogs recorded with the condition in a single year of veterinary records.
Not a lifetime risk. A dog that develops this at age 9 is not counted in a year it was not diagnosed.
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2,228 French Bulldogs under UK primary veterinary care during 2013
3.2% 2.5% to 4%
Where these figures come from
- Dog Aging Project breeds 2023 Grade B
Forsyth KK, McCoy BM, Schmid SM, Promislow DEL, Snyder-Mackler N, the DAP Consortium. Lifetime prevalence of owner-reported medical conditions in the 25 most common dog breeds in the Dog Aging Project pack. Frontiers in Veterinary Science. 2023;10:1140417.
View source - VetCompass 2018 Grade A
O'Neill DG, Baral L, Church DB, Brodbelt DC, Packer RMA. Demography and disorders of the French Bulldog population under primary veterinary care in the UK in 2013. Canine Genetics and Epidemiology. 2018;5:3.
View source - KC survey 2017 Grade C
Wiles BM, Llewellyn-Zaidi AM, Evans KM, O'Neill DG, Lewis TW. Large-scale survey to estimate the prevalence of disorders for 192 Kennel Club registered breeds. Canine Genetics and Epidemiology. 2017;4:8.
View source