A Study On The Prevalence Of Bovine Viral Diarrhea Virus (bvdv) In Feedlot And Dairy Farms In And Adound Adamaeast Shoa Zone Ethiopia

A cross sectional study to assess BVDV prevalence and determine the risk factors and torncompare the ELISA diagnostic results of milk and serum values in 40 feedlot and 60 dairy farmsrnwas carried out in Adama area, East Shoa Zone. Herds were visited to ascertain information onrnthe management system, possibility of contact with other species of domestic animals,rnintroduction of new animal into the herd and to collect serum samples from feedlot and matchedrnmilk and serum samples from dairy herds. Commercial indirect ELISA-kit for the detection ofrnspecific antibodies to BVDV was used. According to this study, the apparent individual and herdrnseroprevalence of BVDV was 3S.9 % and 70.9 %, respectively. The individual and herdrnseropositivity difference among the two production systems was not significant (p>O.OS). Therernwas a significant difference; however, in the prevalence of the different age groups (pO.OS) affect the antibodyrnprevalence where 88.9% of the extensive and 7S.S % of the semi intensive herds had at least onernseroreactor. Although a significant difference (p

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