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In order to assess the economic impact of heartwater (Cowdria ruminantium infection) and model the impact of improved vaccines against the disease, a field study was conducted to provide data on livestock productivity indicators in Zimbabwe. Cross-sectional studies were performed in the two main ...


Chamboko, TafireyiMukhebi, A.W.O'Callaghan, C.J.Peter, T.F.Kruska, R.L.Medley, G.F.Mahan, S.M.Perry, Brian D.[Heartwater and the economics of livestock production on large scale commercial and smallholder farms in Zimbabwe]Heartwater and the economics of livestock production on large scale commercial and smallholder farms in Zimbabwe

The tick vectors of heartwater (Cowdria ruminantium infection) in Zimbabwe, Amblyomma hebraeum and Amblyomma variegatum, historically were believed to be confined to the low-lying regions of the south and north-west of the country. However, country-wide surveys performed in 1975-1980 and 1988-199...


Peter, T.F.Perry, Brian D.O'Callaghan, C.J.Medley, G.F.Shumba, W.Madzima, W.Burridge, M.J.Mahan, S.M.[Distributions of the vectors of heartwater, Amblyomma hebraeum and amblyomma variegatum (Acari: Ixodidae), in Zimbabwe]Distributions of the vectors of heartwater, Amblyomma hebraeum and amblyomma variegatum (Acari: Ixodidae), in Zimbabwe

Immune mechanisms against Cowdria ruminantium infection in livestock hosts are being investigated. This knowledge will be important for identification of protective antigens of C. ruminantium which will have application in the Development of vaccines against heartwater. T-cell Con-A supernatants ...


Mahan, S.M.Sileghem, M.R.Smith, G.Byrom, B.[Role of interferon gamma in control of Cowdria ruminantium growth in-vitro. Abstract]Role of interferon gamma in control of Cowdria ruminantium growth in-vitro. Abstract
Perry, Brian D.Peter, T.F.Chamboko, TafireyiMahan, S.M.Medley, G.F.Mukhebi, A.W.O'Callaghan, C.J.Minjauw, B.[Studies on the epidemiology and economic impact of heartwater in Zimbabwe]Studies on the epidemiology and economic impact of heartwater in Zimbabwe
Peter, T.F.Perry, Brian D.O'Callaghan, C.J.Medley, G.F.Shumba, W.Madzima, W.Burridge, M.J.Mahan, S.M.[The distributions of heartwater and Amblyomma ticks in Zimbabwe]The distributions of heartwater and Amblyomma ticks in Zimbabwe
Chamboko, TafireyiMukhebi, A.W.O'Callaghan, C.J.Peter, T.F.Kruska, R.L.Medley, G.F.Mahan, S.M.Perry, Brian D.[Economic impact of heartwater and its control in Zimbabwe]Economic impact of heartwater and its control in Zimbabwe
Mahan, S.M.Peter, T.F.Perry, Brian D.Modisa, L.Axsel, G.Bryson, N.Merwe, L. van derReit, P. van derPistorius, J.Dlamini, P.Makala, L.Munyama, G.Barbet, A.F.Burridge, M.J.[Characterisation of heartwater challenge at field sites in six Southern African Development Community countries]Characterisation of heartwater challenge at field sites in six Southern African Development Community countries
Minjauw, B.Perry, Brian D.Kruska, R.L.Peter, T.F.Mahan, S.M.Medley, G.F.O'Callaghan, C.J.[Economic impact assessment of heartwater in Southern Africa]Economic impact assessment of heartwater in Southern Africa
Mukhebi, A.W.Laker, C.D.Meltzer, M.I.Mahan, S.M.Perry, Brian D.[Assessing economics of alternative heartwater control strategies in Zimbabwe]Assessing economics of alternative heartwater control strategies in Zimbabwe

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