PREVALENCE AND IDENTIFICATION OF HARD TICKS INFESTATION IN CATTLE IN AND AROUND GAMBELLA TOWN OF GAMBELLA REGIONAL STATE, SOUTHWEST ETHIOPIA

Eshetu Gudina Yadeta

Abstract


A study conducted from November 2013 and April 2014 at Gambella town with the objectives to assess the prevalence of major hard ticks and tick genera identification in the study area. A cross-sectional study implemented to assess the prevalence of hard tick on 384 cattle. A random sampling technique method used for tick collection and genera identification. We collected tick samples from left side of different body regions of the cattle and multiplied by two to get the total tick burden on the affected cattle. Collected tick samples transported to Bedele Regional Veterinary Laboratory for identification by labeling various necessary information on the sample collecting tubes.  Totally, of 2005 adult ticks collected from left half body part of cattle. This study revealed hard tick prevalence of 89.58%. The most prevalent hard tick genera collected were Amblyomma, Hyalomma, Boophilus and Rhipicepha­lus. Of all the total ticks collected, Amblyomma, Hyalomma, Boophilus and Rhipicephalus constituted 32.62% 18.75%, 35.77% and 12.85%, respectively. Proportionally the predilections site of Amblyomma, Hyalomma, Boophilos and Rhipiciphalus were neck & head, perineum & brisket, belly, genital& anal, leg and Udder& scorotum respectively.  Female ticks were the highest proportions while tick burden in relation to age were significantly in adult cattle than younger.  Since this study revealed tick as important external parasite, it is necessitate for regular parasitological investigation and application of effective prophylactic and control measures. With the current study result, tick identification to species level on molecular technique bases recommended.


Keywords


Cattle, tick, prevalence, predilection site

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