Abstract
A cross-sectional study was carried out from November 2013 to April 2014 on bovine fasciolosis at Areka municipal abattoir to estimate the prevalence of bovine fasciolosis, associated risk factors, evaluate the sensitivity of coprological test and estimate direct annual financial loss due to liver condemnation. From 400 sampled cattle’s during the study period, 67 (16.75%) of their fecal samples and 120 (30%) of their livers were positive during antemortem and postmortem inspection, respectively. The prevalence of bovine fasciolosis was higher in older (>10 years [36.5%]) than younger ones (<5 years [20.8%]). The prevalence of bovine fasciolosis in study sites was significantly associated with age and body condition of cattle (P<0.05). From species comparison, Fasciola hepatica (14.75%) was found to be the predominant species causing bovine fasciolosis. The direct financial analysis due to liver condemnation was made based on retail price/value of bovine liver and estimated to be 47,124 ETB (2,406.74 USD). In general, fasciolosis is more prevalent in the study area and cause loss in economic impact from liver condemnation. The fact of parasitic existence and associated economic loss warrant the need of control and prevention systems to be designed and implemented at the study site. Key words: Areka municipal abattoir, bovine fasciolosis, coprology, liver condemnation, postmortem examination.
Highlights
Among many parasitic problems of farm animals, fasciolosis is a major disease, which imposes direct and indirect economic impact on livestock production, of sheep and cattle (Keyyu et al, 2005; Menkir et al, 2007)
Among the 400 livers inspected during postmortem inspection, 120 (30%) were found to be positive for liver fluke
Bovine fasciolosis exists in almost all region of Ethiopia with its economic effects due to indirect causes, while it is in host related to production loss and the direct loss is associated with affected organs condemnation
Summary
Among many parasitic problems of farm animals, fasciolosis is a major disease, which imposes direct and indirect economic impact on livestock production, of sheep and cattle (Keyyu et al, 2005; Menkir et al, 2007). Fasciola hepatica and Fasciola gigantica are the two liver flukes commonly reported to cause fasciolosis in ruminants. The life cycle of these trematodes involves snail as an intermediate host Infected cattle can exhibit poor weight gain and dairy cattle have lower milk yield, and possibly metabolic diseases (Mason, 2004).
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