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Two seroepidemiological surveys on canine leishmaniosis in stray dogs were performed annually in the Madrid region for 10 years (November 1996–April 2006). The presence of anti-Leishmania antibodies was detected by immunofluorescence antibodies test (cut off 1:100). The overall seroprevalence found in the 1,803 dogs studied was 7.8% (141 positive dogs). Seropositivity was not associated with either...
Blood samples from 823 dogs were tested for circulating Dirofilaria immitis antigen during a 1-year period (May 2002 to May 2003) on Tenerife Island, Canary Islands, Spain. Seroprevalence of heartworm infection was 21%. Heartworm infection was similar in males and females and was more common in dogs aged >6 years. Distribution of infection in varying climatic zones was not statistically different.
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