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Theileria spp. in free ranging giraffes (Giraffa camelopardalis) in Zambia

Theileria parasites were detected in five apparently healthy free-ranging giraffes (Giraffa camelopardalis Linnaeus, 1758) captured for translocation on a game ranch located approximately 60 km south west of Lusaka. Giemsa-stained blood smears examined under a light microscope showed characteristic oval and rod shaped intra-erythrocytic piroplasms. Polymerase chain reaction (PCR) products targeted on the 18S rRNA gene showed characteristic bands of Theileria spp. The average number of infected blood cells per field examined by light microscopy was estimated at 48.6% (n=50,

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Tick-borne pathogens in the blood of wild and domestic ungulates in South Africa: Interplay of game and livestock

We screened for tick-borne pathogens blood samples from 181 wild and domestic ungulates belonging to 18 host species in 4 South African Provinces. Polymerase chain reaction followed by reverse line blotting and sequencing allowed detecting 16 tick-borne pathogen species belonging to the genera Babesia, Theileria, Anaplasma, and Ehrlichia. Ten pathogen species were involved in 29 new host–pathogen combinations. Most infections (77.9%) involved more than one pathogen species. Principal component analysis (PCA) assigned the 163 infections, identified to species level, to

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Identification of novel Babesia and Theileria species in South African giraffe (Giraffa camelopardalis, Linnaeus, 1758) and roan antelope (Hippotragus equinus, Desmarest 1804)

Blood specimens were received from five cases in which young adult giraffe, from different geographic origins in South Africa, showed sudden onset of disease and subsequently died. Additional specimens from two translocated giraffe, as well as one specimen from a roan antelope, were also included in the study. Blood slides from some of these animals showed the presence of piroplasms. DNA was extracted; the V4 hypervariable region of the 18S rRNA gene amplified and analyzed using the Reverse Line Blot

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Protozoan and bacterial pathogens in tick salivary glands in wild and domestic animal environments in South Africa

A total of 7364 ticks belonging to 13 species was collected from 64 game animals (belonging to 11 species) and from 64 livestock animals (cattle and sheep) living in close vicinity at 6 localities in 3 South African Provinces (Free State, Mpumalanga, and Limpopo). The geographic distribution of all tick species was congruent with the literature except for Haemaphysalis silacea. From each infested host, a maximum of 10 males and 10 females of each tick species were dissected to isolate

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