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Epidemiology of Trypanosoma evansi and Trypanosoma vivax in domestic animals from selected districts of Tigray and Afar regions, Northern Ethiopia.


ABSTRACT: African animal trypanosomosis, transmitted cyclically by tsetse flies or mechanically by other biting flies, causes serious inflictions to livestock health. This study investigates the extent of non-tsetse transmitted animal trypanosomosis (NTTAT) by Trypanosoma (T.) evansi and T. vivax in domestic animals in the tsetse-free regions of Northern Ethiopia, Afar and Tigray.A cross sectional study was conducted on 754 dromedary camels, 493 cattle, 264 goats, 181 sheep, 84 donkeys, 25 horses and 10 mules. The microhaematocrit centrifugation technique was used as parasitological test. Plasma was collected for serodiagnosis with CATT/T.evansi and RoTat 1.2 immune trypanolysis (ITL) while buffy coat specimens were collected for molecular diagnosis with T. evansi type A specific RoTat 1.2 PCR, T. evansi type B specific EVAB PCR and T. vivax specific TvPRAC PCR.The parasitological prevalence was 4.7% in Tigray and 2.7% in Afar and significantly higher (z?=?2.53, p?=?0.011) in cattle (7.3%) than in the other hosts. Seroprevalence in CATT/T.evansi was 24.6% in Tigray and 13.9% in Afar and was significantly higher (z?=?9.39, p?

SUBMITTER: Birhanu H 

PROVIDER: S-EPMC4403896 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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Epidemiology of Trypanosoma evansi and Trypanosoma vivax in domestic animals from selected districts of Tigray and Afar regions, Northern Ethiopia.

Birhanu Hadush H   Fikru Regassa R   Said Mussa M   Kidane Weldu W   Gebrehiwot Tadesse T   Hagos Ashenafi A   Alemu Tola T   Dawit Tesfaye T   Berkvens Dirk D   Goddeeris Bruno Maria BM   Büscher Philippe P  

Parasites & vectors 20150409


<h4>Background</h4>African animal trypanosomosis, transmitted cyclically by tsetse flies or mechanically by other biting flies, causes serious inflictions to livestock health. This study investigates the extent of non-tsetse transmitted animal trypanosomosis (NTTAT) by Trypanosoma (T.) evansi and T. vivax in domestic animals in the tsetse-free regions of Northern Ethiopia, Afar and Tigray.<h4>Methods</h4>A cross sectional study was conducted on 754 dromedary camels, 493 cattle, 264 goats, 181 sh  ...[more]

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