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Abstract
The aim of this study is to update the data on the prevalence of Dirofilaria immitis (D. immitis) and Dirofi laria repens (D. repens) infections inpet dogs, to report a preliminary result of the prevalence of Angiostrongylus vasorum (A. vasorum) in hunting dogs, and to assess the presence ofconcurrent infection with D. immitis and A. vasorum in hunting and pet dogs in Novi Sad. Th e methods used to estimate the prevalence of dirofilaria infections were modifi ed Knott test and detection of antigen of D.immitis. Th e prevalence of A. vasorum was determined using Baermannfecal technique and detection of A. vasorum antigen. Concurrent infection with D. immitis and A. vasorum was assessed only by detection of antigens of each parasite. Overall prevalence values for D. immitis and D. repens were 18.95% (24/143) and 16.32% (27/143), respectively. Th e prevalence of A.vasorum in hunting dogs was 1.96% (1/51). Concurrent infection with D.immitis and A. vasorum did not exist in examined hunting and pet dogs. Further studies with larger number of examined dogs and samples from other region of the country are needed to determine the prevalence of these parasites.
Highlights
Heartworm diseases caused by Dirofilaria immitis (D. immitis) and angiostrongylosis caused by French heartworm Angiostrongylus vasorum (A. vasorum) are canine parasitic diseases affecting mainly the respiratory and cardiovascular system
The number of dogs infested with D. repens was either higher or equal to the number of dogs infested with D. immitis
We started with diagnosing concurrent prevalence of infection with both Dirofilaria spp. among pet dogs in 2013, and for the entire study period the infection was confirmed in 11 dogs
Summary
Heartworm diseases caused by Dirofilaria immitis (D. immitis) and angiostrongylosis caused by French heartworm Angiostrongylus vasorum (A. vasorum) are canine parasitic diseases affecting mainly the respiratory and cardiovascular system. Both parasites are lungworms having the same primary site of residence - pulmonary arteries, where they can induce severe pathologic alterations. Mild and wet climate is suitable for rapid multiplication of these intervertebrate hosts Both parasites mostly cause chronic diseases with severe clinical complications such as pulmonary thromboembolism, right-sided heart failure and caval syndrome associated with D. immitis infections, whereas verminous pneumonia, right-sided heart failure and bleeding tendencies are associated with A. vasorum. Due to the importance of D. repens in humans, it is upon veterinary profession to deal with this agent as well
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