The DOGPARCS Study shows that intestinal parasites are present in 85% of dog parks.
1 in 5 dogs tested positive for intestinal parasites
50% of dog parks tested positive for hookworms, roundworms and whipworms
Source: Stafford K, Kollasch TM, Duncan KT, et al. Detection of gastrointestinal parasitism at recreational canine sites in the USA: the DOGPARCS study. Parasit Vectors. 2020;13(1):275. doi: 10.1186/s13071-020-04147-6