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The emergence of Lyme borreltosis as the most prevalent arthropod disease of humans in the temperate northern hemisphere has resulted in renewed interest in human babesiosis, transmitted by the same tick vectors. The advent of new molecular tools has made possible a reappraisal of the main parasites involved (Babesia divergens in Europe and Babesia microti in the USA). B. divergens is probably restricted to European cattle, though there are several nearly identical species. B. microti occurs as a world-wide species complex rather than as a single species, and although both pheno-typic and genotypie features lend support to suggestions that zoonotic B. microti may occur in Europe, convincing medical evidence is lacking. Comparative biology should support genetic data in taxonomic studies of these parasites.
This study was carried out on cattle to detect the seroprevalence of theileriosis and babesiosis around the Antakya province. A total of 214 randomly selected cattle were examined from selected locations for Theileria annulata, Babesia bigemina, B. bovis and B. divergens. Blood samples were collected from the cattle by jugular vene puncture to obtain sera for IFAT. Thin blood smears were prepared from the punctured ear veins of each animal. The blood smears were stained with 5% Giemsa's stain and examined microscopically at 100 × magnification. None of the Babesia species was detected but T. annulata observed in 5 (2.33%) blood smears. The sera were tested for the presence of antibodies to the T. annulata, Babesia bigemina, B. bovis and B. divergens by IFAT. Antibodies were detected against T. annulata in 24 and B. bigemina in 2 sera of the tested 214 cattle. Antibodies for B. bovis and B. divergens were not detected in any sera. It has been concluded that detailed molecular biological, serological and epidemiological studies needed to clarify the genetic and antigenic diversity of the blood parasites in Turkey.
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