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biting flies and trypanosoma vivax infection in three highland districts bordering lake tana, ethiopia.an epidemiological study was conducted to determine the prevalence of trypanosomosis in cattle, small ruminants and equidae, and to identify biting flies; potential mechanical vectors of trypanosomes in the three districts of bahir dar zuria, dembia and fogera, bordering lake tana, ethiopia. about 1509 cattle, 798 small ruminants and 749 equidae were bled for the prevalence study using the buffy-coat method and the measurement of the hematocrit value. sixty-six ngu and 20 monoconical traps were ...200616890359
mechanical transmission of trypanosoma congolense in cattle by the african tabanid atylotus agrestis.the trypanosomes pathogenic to livestock in africa (trypanosoma congolense, trypanosoma vivax, and trypanosoma brucei) are mainly cyclically transmitted by tsetse (glossina). however, t. vivax, can also be mechanically transmitted by haematophagous insects. laboratory studies have demonstrated the mechanical transmission of t. congolense, but confirmation of this under natural conditions was necessary. an experiment was therefore carried out in lahirasso, burkina faso, in a corral completely cov ...200314990316
mechanical transmission of trypanosoma vivax in cattle by the african tabanid atylotus fuscipes.an experiment was carried out in burkina faso to evaluate the potential for mechanical transmission of trypanosoma vivax by the african tabanid atylotus fuscipes. the experiment was carried out in a corral (10 m x 10 m) completely covered by a mosquito net (12 m x 12 m and 2.5m high). eight heifers (cross-bred zebu x baoulé), free of trypanosome infection, were kept together with two heifers experimentally infected with a local stock of t. vivax. an average of 539 a. fuscipes per day, freshly ca ...200415036572
trypanosoma vivax: mechanical transmission in cattle by one of the most common african tabanids, atylotus agrestis.the role of mechanical vectors in the transmission of african livestock trypanosomes has always been controversial relative to tsetse flies, their cyclical vectors. an experiment was carried out in burkina faso to demonstrate mechanical transmission of trypanosoma vivax by one of the most common tabanids in africa: atylotus agrestis. eight heifers (crossbred zebuxbaoulé), free of trypanosome infection, were kept in a corral covered by a mosquito net, together with two heifers infected experiment ...200312810044
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