| 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 ... | 2006 | 16890359 |
| a comparative longitudinal study of bovine trypanosomiasis in tsetse-free and tsetse-infested zones of the amhara region, northwest ethiopia. | a study was conducted to determine the incidence of trypanosome infections in cattle in tsetse-free and tsetse-infested zones of the amhara region of northwest ethiopia. a total of six sentinel herds were established and the cattle observed during a period of 8 consecutive months. the prevalence of seropositive cattle was high in both the tsetse-free and tsetse-infested zones. the average monthly incidence of trypanosome infection, determined using molecular diagnostic tools, was 20.9% and 25.7% ... | 2006 | 16675127 |
| seasonal prevalence of bovine trypanosomosis in a tsetse-infested zone and a tsetse-free zone of the amhara region, north-west ethiopia. | during a period of four consecutive years, trypanosomosis surveys were conducted in a tsetse-infested and tsetse-free area of the amhara region of north-west ethiopia. in each study area randomly selected communal cattle were sampled and their blood was investigated using parasitological diagnostic methods. at the same time the population of biting flies was sampled. the monthly average prevalence of trypanosome infections in cattle did not differ significantly between study areas. in both study ... | 2004 | 15732457 |