Vectors and parasitological prevalence of African Animal Trypanosomosis (AAT) in the cattle of Djerem Division (Adamaoua –Cameroon)
Journal Title: IOSR Journal of Agriculture and Veterinary Science (IOSR-JAVS) - Year 2018, Vol 11, Issue 10
Abstract
In sub-Saharan countries, livestock production is under the biggest constraint due to Africa Animal African trypanosomiasis (AAT) threatening cattle of the area. In order to forward baseline information on the extent of the problem caused by AAT and to provide sustainable control strategies, a cross sectional survey of trypanosomiasis bovine disease and its vectors tsetse fly was carried out from October 2009 to January 2010 in the cattle of the Djerem division of the Adamaoua region of Cameroon. The survey of tsetse fly vectors was conducted using biconical traps and the captured insects were identified binocular optic microscope. The parasitological survey was realized through blood samples collection from cattle jugular vein and screened using Buffy coat diagnostic technique for parasite examination. In results, a total of 296 flies vectors of African Animal Trypanosomiasis were captured in which after identification, 4 vector species including Glossin a fuscipes fuscipes(13.45%), Tabanus bovinus(15.33%), Atylotus agrestis(24.75%) and Stomoxys calcitrans (46.73%) were recorded and representing apparent densities of 0.26, 0.29, 0.49 and 0.88 flies/trap/day, respectively. The prevalence of trypanosomiasis in the Djerem division was significantly (P<00001) up to 19.16% with a confidence interval ranging from 15.22 to 23.61%. The black cattle and the anemic cows were the most significantly (P<0.05) infected with trypanosomes. The trypanosomes species diagnosed in this work included Trypanosoma congolense (78.26%), T. brucei (52.17%) and T. vivax (11.59%) showing that T. congolense is the most prevalent species in the study area. However, the present investigation highlighted the maintaining of the trypanosomose parasites in the Djerem division without reinvasion of the cleaned and buffer zones with the biological vector (G. f. fuscipes). Thus, intervention within the framework of keeping out tsetse flies from the zone and trypanosomosis control programmes should be forecast.
Authors and Affiliations
Samuel Abah, Alexandre Michel Njan Nlôga, Andre Zoli, Abdoulmoumini Mamoudou, Lame Younoussa, Fernand-Nestor Tchuenguem Fohouo
Keywords
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- EP ID EP406763
- DOI 10.9790/2380-1110018086.
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