Open Science Repository Veterinary Medicine

doi: 10.7392/openaccess.23050426


Prevalence of major ovine diseases and analysis of mortality in selected model sheep villages of south Gondar administrative zone, Ethiopia


Yeshwas Ferede [1], Agraw Amane [1], Hailu Mazengia [2], Shigdaf Mekuriaw [1]

[1] Andassa Livestock Research Center; [2] Bahir Dar University, Faculty of Agriculture and Environmental Science


Abstract

A cross sectional and retrospective study designs were carried out from May 2008 to April 2012 in model sheep breeding villages of Farta and Lay-Gaint districts with the objective of identifying and determining the prevalence of major sheep diseases, to assess the magnitude of sheep mortality and recommend disease and mortality control options. Questionnaire survey and retrospective case study were undertaken to identify major sheep production constraints, prevailing sheep diseases and assess the magnitude of mortality. Retrospective study was employed for 184 (89 from Farta and 95 from Lay Gaint) diagnosed sheep from case registration book of respective districts and peasant associations (PA) veterinary clinics to collect information about the prevailing sheep diseases. Among diagnosed sheep diseases, Generalized septicemic condition (GSC) (13.0%), Fasciolosis (19.6%), Respiratory Disease Complex (RDC) (38.6%), Enteritis (22.6%), Sheep pox (12.0%), Orf (1.1%) and foot rot (2.2%) were the most widely diagnosed ovine diseases. On the other hand, the major identified internal parasites of sheep were Strongyle spp (43.0%), Tricuris spp (8.3%), Fasciola spp (20.2%), Schistosoma spp (1.7%), Paramphistmum spp (21.5%), Monezia spp (8.3%) and Coccidia spp (5.0%). Only significant differences (P<0.05) was observed in Fasciolosis across study districts which showed higher prevalence of Fasciola spp (23.5%) from Farta and relatively lower (15.1%) from Lay-Gaint district. EPG count shown that, 86.3% of sheep positive with nematode was categorized in the range of light infection (50-800 EPG) which depicts the level of nematode infection in the population was lower. Both Mannheimia haemolytica serotypes A1 (33.1%), A2 (31.8%) and A7 (28.5) and P. multocida A (6.6%) were found in the study areas. Comparison of sheep mortality over years and breed indicated higher mortality from all sheep breeds (Washera, Farta and their crosses) in the year 2009 and lower (6.3%) in 2012. In conclusion, the present high mortality rate and prevalence of sheep diseases were high to cause momentous economic losses in the study area. Therefore, strengthening the control effort was suggested.

Keywords: Farta, Lay-Gaint, mortality rate, sheep diseases.



Citation: Ferede, Y., Amane, A., Mazengia, H., & Mekuriaw, S. (2013). Prevalence of major ovine diseases and analysis of mortality in selected model sheep villages of south Gondar administrative zone, Ethiopia. Open Science Repository Veterinary Medicine, Online(open-access), e23050426. doi:10.7392/openaccess.23050426

Received: September 19, 2013

Published: September 28, 2013

Copyright: © 2013 Ferede, Y., Amane, A., Mazengia, H., & Mekuriaw, S. Creative Commons Attribution 3.0 Unported License.

Contact: research@open-science-repository.com



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Cite this paper

APA

Ferede, Y., Amane, A., Mazengia, H., & Mekuriaw, S. (2013). Prevalence of major ovine diseases and analysis of mortality in selected model sheep villages of south Gondar administrative zone, Ethiopia. Open Science Repository Veterinary Medicine, Online(open-access), e23050426. doi:10.7392/openaccess.23050426

MLA

Ferede, Yeshwas et al. “Prevalence of Major Ovine Diseases and Analysis of Mortality in Selected Model Sheep Villages of South Gondar Administrative Zone, Ethiopia.” Open Science Repository Veterinary Medicine Online.open-access (2013): e23050426.

Chicago

Ferede, Yeshwas, Agraw Amane, Hailu Mazengia, and Shigdaf Mekuriaw. “Prevalence of Major Ovine Diseases and Analysis of Mortality in Selected Model Sheep Villages of South Gondar Administrative Zone, Ethiopia.” Open Science Repository Veterinary Medicine Online, no. open-access (September 28, 2013): e23050426. doi:10.7392/openaccess.23050426.

Harvard

Ferede, Y. et al., 2013. Prevalence of major ovine diseases and analysis of mortality in selected model sheep villages of south Gondar administrative zone, Ethiopia. Open Science Repository Veterinary Medicine, Online(open-access), p.e23050426.

Science

1. Y. Ferede, A. Amane, H. Mazengia, S. Mekuriaw, Prevalence of major ovine diseases and analysis of mortality in selected model sheep villages of south Gondar administrative zone, Ethiopia, Open Science Repository Veterinary Medicine Online, e23050426 (2013).

Nature

1. Ferede, Y., Amane, A., Mazengia, H. & Mekuriaw, S. Prevalence of major ovine diseases and analysis of mortality in selected model sheep villages of south Gondar administrative zone, Ethiopia. Open Science Repository Veterinary Medicine Online, e23050426 (2013).


doi

Research registered in the DOI resolution system as: 10.7392/openaccess.23050426.


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This work is licensed under a Creative Commons Attribution 3.0 Unported License.