Host drivers of canine dirofilariosis in an arid environment of western Argentina
Canine dirofilariosis is a mosquito-borne zoonotic disease largely caused by Dirofilaria immitis. Mainly present in temperate, semitropical, and tropical areas, its worldwide emergence and spread are causing concern. In Argentina, most cases have been reported in humid regions of the center and no...
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| Autores principales: | , , , , , |
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| Formato: | Artículo Científico |
| Lenguaje: | Inglés |
| Publicado: |
Parasitology Research
2024
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| Materias: | |
| Acceso en línea: | https://repositorio.umaza.edu.ar/handle/00261/3418 |
| Aporte de: |
| Sumario: | Canine dirofilariosis is a mosquito-borne zoonotic disease largely caused by Dirofilaria immitis. Mainly present in temperate,
semitropical, and tropical areas, its worldwide emergence and spread are causing concern. In Argentina, most cases
have been reported in humid regions of the center and northeast of the country. The occurrence of canine dirofilariosis in an
arid environment of western Argentina was investigated by blood smears, microhematocrit tube test, and Knott’s technique.
Association and odds ratio were determined in relation to dog characteristics. Thirty-three dogs (51.6%) had microfilariae,
morphologically identified as D. immitis. Knott’s test was more sensitive in detecting the positive animals. The odds of harboring
microfilariae were 12, 29, and 66 if the dog was male, adult (three to 6 years old), or older (> 7 years old), respectively.
The prevalence of canine dirofilariosis herein reported outstands among the highest in Argentina and extends to the west
its geographic distribution in the country. Far from being an exception, this epidemiological situation might reflect similar
circumstances in several arid locations in the west and center of Argentina. Being this a disease of recent appearance in the
region, both veterinarians and physicians should be aware of its potential to cause disease in animals and humans. |
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