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The indirect MAP 1B ELISA based on the recombinant MAP 1B fragment of the immunodominant MAP 1 protein of Ehrlichia ruminantium is considered to be the most sensitive and specific assay for the serodiagnosis of heartwater. In this study, we evaluated its reliability in detecting exposure to E....


Peter, T.F.O'Callaghan, C.J.Medley, G.F.Perry, Brian D.Semu, S.M.Mahan, S.M.[Population-based evaluation of the Ehrlichia ruminantium MAP 1B indirect ELISA]Population-based evaluation of the Ehrlichia ruminantium MAP 1B indirect ELISA

A mathematical description of the transmission dynamics of the tick-borne infection Cowdria ruminantium in commercial beef enterprises in Zimbabwe was used to consider the potential impact of a candidate vaccine to prevent heartwater. The important characteristics of the vaccine were (1) a delay ...


O'Callaghan, C.J.Medley, G.F.Peter, T.F.Mahan, S.M.Perry, Brian D.[Predicting the effect of vaccination on the transmission dynamics of heartwater (Cowdria ruminantium infection)]Predicting the effect of vaccination on the transmission dynamics of heartwater (Cowdria ruminantium infection)

As part of a series of studies associated with the development of improved vaccines for heartwater (a tick-borne disease of ruminant livestock caused by Cowdria ruminantium), field surveys were carried out to assess losses associated with the disease and the costs associated with controlling it i...


Chamboko, TafireyiMukhebi, A.W.Callaghan, C.J.O.Peter, T.F.Kruska, R.L.Medley, G.F.Mahan, S.M.Perry, Brian D.[The control of heartwater on large-scale commercial and smallholder farms in Zimbabwe]The control of heartwater on large-scale commercial and smallholder farms in Zimbabwe

Heartwater, caused by the rickettsial organism Cowdria ruminantium and transmitted by ticks of the genus Amblyomma, is considered to be the most important tick-borne disease of cattle in southern Africa, and is second only in importance to East Coast fever (theileriosis) in eastern Africa. This p...


O'Callaghan, C.J.Medley, G.F.Peter, T.F.Perry, Brian D.[Modelling the transmission dynamics of Cowdria ruminantium: Supporting the case for endemic stability]Modelling the transmission dynamics of Cowdria ruminantium: Supporting the case for endemic stability
Perry, Brian D.Deem, S.L.Medley, G.F.Morzaria, S.P.Young, A.S.[The ecology of Theileria parva infections of cattle and the development of endemic stability]The ecology of Theileria parva infections of cattle and the development of endemic stability

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