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BASIC RESEARCH JOURNALS OF AGRICULTURAL SCIENCE AND REVIEW ISSN 2315-6880
 

Basic Research Journal of Agricultural Science and Review ISSN 2315-6880 Vol. 8(1), pp. 029-037 August 2020 Copyright© 2020 Basic Research Journals

International Scientific Indexing (Impact Factor (0.401))

Thompson Reuters ResearchersID A-9294-2018

 

Full Length Research Paper
 

Effect of gibe – III Dam construction along omo river basin on prevalence of bovine trypanosomosis in selected localities of Loma District, Dawuro zone, Southern Region

 

Semayat Oyda*1, Shimelis Argaw 1, Getinet Ayalew 1, Mebrat Alemayehu 1, Teferi Mandado2,

 

1Wolaita Sodo University, Dawuro – Tarcha Campus, Department of Animal and Range Science, P.O.Box 01, Tarcha, Ethiopia

2Dawuro zone, Livestock and Fishery Resource Development Department

 

*Corresponding author’s e-mail: semayatoy79@gmail.com, drsemayat@gmail.com, Tel: +251-910-049-011

 

Received 09 August, 2020; Accepted 25 August 2020; Published 26 August, 2020

 

Abstract

 

A cross – sectional study was conducted between 2018 and 2019 in Dawuro Zone Loma district, Southern Nations, Nationalities and Peoples Regional State (SNNPRS) to assess the effect of dam construction on prevalence of bovine trypanosomosis and identify dominant species of trypanosomes in the area. The study methodology was based on questionnaire survey, parasitological study and entomological survey. Entomological survey revealed that Glossina pallidipes was the most prevalent tsetse fly species along with Glossina fuscipes tsetse fly. The apparent fly density (ADT) (0.517fly/trap/day) was significantly higher (p<0.05) in the area. At species level, the ADTs for G. pallidipes and G. fuscipes were 0.45fly/trap/day and 0.067fly/trap/day respectively. In the parasitological survey, a total of 302 cattle were examined, 52 of them were positive giving an overall trypanosomosis prevalence of 17.2%. Prevalence with T. congolense, T. vivax and mixed infection was 10.9%, 4.9% and 1.3% respectively. Higher infection rate was observed in older animals (<7 years) 10.9% (95% CI=0.19-0.28) and lower in young animals (<3 years) 1.3% (95% CI=0.26-0.36). The mean PCV values (%) of parasitaemic and aparasitaemic animals during the study period were 34.62+6.66 and 77.20+ 2.66 respectively. The regression analysis of cattle average PCV from cattle prevalence indicated that cattle average PCV decreased with increasing prevalence of trypanosome infections with a negative regression coefficient values for the study areas. Therefore, trypanosomosis is the most important problem for agricultural activity and animal production in the area and the situation is challenging as the control and prevention of trypanosomosis is difficult due to limited veterinary service providers and the expansion of veterinary drug black markets in the area.

 

Keywords: Cattle, Trypanosomosis, pallidipes, Dawuro, livestock, benefits, Glossina, population

 

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Basic Research Journal of Business Management and Accounts.

Basic Research Journal of Education Research and Review.

Basic Research Journal of Medicine and Clinical Sciences.

Basic Research Journal of Social and Political Sciences.

J. Agric. Sci. Rev

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