No abstract

The present study was conducted to determine the prevalence of canine dirofilariosis in Hatay province, south of Turkey. A total of 269 blood samples were collected from owned dogs in this multi-centre survey between March and July 2006. Blood samples were examined by modified Knott and enzyme-linked immunosorbent assay (ELISA) techniques to detect circulating microfilariae and antigens of Dirofilaria immitis, respectively. Seventy out of 269 dogs (26.0%) were positive for D. immitis. However, 61.4% of positive dogs had occult infection. The prevalence of canine dirofilariosis was heterogeneous in Hatay province, with higher values in shoreline (33.0%) and riverside (30.9%) areas followed by the lowland (25.5%) or mountainous (15.2%) areas. No statistically significant differences were observed in relation to sex (females, 33.3%; males, 24.4%, P>0.05). When evaluating the prevalence of D. immitis by age, the highest prevalence was observed in dogs older than 4 years of age. Large breeds (29.6%) and the dogs living outdoors (30.2%) showed a higher prevalence in comparison to small breeds (21.4%) and the dogs living indoors (10.5%), respectively. In conclusion, according to the results of this study canine dirofilariosis had a high prevalence in Hatay province. Therefore, prophylaxis against heartworm is advisable to decrease the incidence of canine dirofilariosis.

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The province of Hatay, which lies on the Mediterranean coast in south-eastern Turkey, forms an important endemic area for human cutaneous leishmaniasis (HCL). Between the June and November of 2001, the sandflies in eight areas of the province, Erzin, Dortyol, Iskenderun, Kirikhan, Antakya, Samandag, Altinozu and Yayladagi, were surveyed, using sticky-paper traps placed in goat, sheep, cow or chicken sheds close to houses. Although 217 of the 998 sandflies caught belonged to the genus Sergentomyia, the rest were of Phlebotomus species, including some species that, elsewhere, are known to act as vectors of the parasites causing HCL. The Sergentomyia caught were either S. theodori (59.9%) or S. dentata (40.1%). Most of the Phlebotomus were P. sergenti (60.8%) but P. papatasi (18.8%), P. syriacus (9.3%), P. neglectus (5.1%), P. tobbi (2.7%), P. simici (2.2%), P. alexandri (0.9%) and P. kyreniae (0.1%) were also identified (the latter three species for the first time in Hatay province). The identification of the main vector species of sandfly in the province is complicated because it is still uncertain which Leishmania species cause(s) the local HCL. It seems likely, however, that P. sergenti is the main vector in Antakya, Iskenderun, Dortyol, Erzin and Kirikhan. In areas such as Altinozu and Yayladagi, where, although P. sergenti is very rare or absent, HCL cases still occur each year, other species, such as the relatively abundant P. papatasi and P. syriacus, may be the main vectors.

Between the April and October of 1997, the sandflies in six areas (Centrum, Altinekin, Kadinhani, Cumra, Beysehir and Bozkir) of the Turkish province of Konya, in Central Anatolia, were surveyed. All the sandflies were caught close to houses, on sticky-paper traps placed in barns used by livestock. All 127 specimens of Sergentomyia collected were either S. theodori (86.6%) or S. dentata (13.4%). The other 2017 sandflies caught represented 12 species of Phlebotomus - mostly P. papatasi (78.4%) or P. halepensis (10.9%), with P. sergenti (3.8%), P. simici (2.2%), P. kandelakii (1.6%), P. similis (0.9%), P. jacusieli (0.5%), P. neglectus (0.4%), P. transcaucasicus (0.3%), P. syriacus (0.3%), P. kyreniae (0.3%) and P. balcanicus (0.3%) relatively rare. Most (87%) of the flies were male. This represents the first report of P. transcaucasicus in Turkey. In addition, P. syriacus, P. neglectus, P. similis and S. dentata have not been detected before in Central Anatolia.