A total of 602 dogs at the Louisiana State University Veterinary Teaching Hospital were
tested for antibodies to Dirofilaria immitis by enzyme-linked immunosorbent assay (ELISA) …

Three hundred two dogs were tested with 4 serotests for heartworm antigen (AG) or antibody
(AB) and with the Knott test. The 4 serotests evaluated were an enzyme-linked …

The heartworm, DiroJilaria immitis, is enzootic in dogs in the United States. Diagnostic tests
for heartworm disease are usually included in the evaluation of dogs presented with …

The serologic prevalence of Dirofilaria immitis infection in 601 dogs in Washington was
investigated in 1989-1990. Blood samples for serum were obtained from dogs …

Abstract In 1975-76, 112 dogs one to 9 years old from Tippecanoe County, Indiana, USA,
were examined at autopsy for Dirofilaria immitis. 17 (15.2%) were infected, the numbers of …

The serological presence of heartworm in dogs of Montana was studied in a 3-yr survey.
Serum samples were provided by veterinary practitioners throughout Montana or were …

In late November 1989, 1732 clinics and institutional veterinarians were sent a
questionnaire to assess the status of Dirofilaria immitis, and 51.7% responded. Of 247,716 …

In late November 1988, 1581 small and mixed animal clinics and institutional veterinarians
across Canada were sent a questionnaire in order to assess the status of Dirofilaria immitis …

Cats from animal shelters in Savannah, Georgia; Beaufort, South Carolina; and Baton
Rouge, Louisiana were used to determine the prevalence ofheartworm in random-source …

Objective—To determine prevalences of heartworm exposure (ie, positive heartworm
antibody test results) and heartworm infection (ie, positive heartworm antigen test results or …