Many of the intestinal parasites they carry are contagious to people, so we recommend routine annual fecal screening for all dogs and cats. (sandiegopethospital.net)
Because of the microscopic size of most intestinal parasites, the only reliable method of detection in dogs is by routine fecal screening. (professorshouse.com)
Your veterinarian can determine whether or not your dog has a parasite through fecal screening or a blood test. (fox19.com)