Publications by authors named "Joy V Bowles"

Article Synopsis
  • Microfilaria (MF) testing is crucial for diagnosing canine heartworm, and the American Heartworm Society recommends annual testing for all dogs, regardless of their prevention history.
  • Various MF testing methods exist, each differing in reliability, cost, and complexity; the study evaluates methods like the modified Knott test (MKT) and PCR, which are the most reliable but also more expensive and time-consuming.
  • While the most reliable tests can identify heartworm even at low levels and confirm species, simpler tests like thin smears are less reliable, especially for accurate detection of MF-positive dogs at lower burdens.
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Background: Dirofilaria immitis is a worldwide parasite that is endemic in many parts of the United States. There are many commercial assays available for the detection of D. immitis antigen, one of which was modified and has reentered the market.

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Background: Heartworm disease in dogs can be severe and life threatening. Resistance to available heartworm preventives was considered among potential causes of increased reports of failed heartworm prevention in dogs. The objective of the present study was to compare the efficacy of four commercially available heartworm disease preventives against the JYD-34 strain of D.

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