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Two experiments were carried out to identify the target population of cattle for immunisation against East Coast fever (ECF) using the infection-and-treatment method. Firstly, a sentinel-calf study was used to determine the age window for ECF immunisation by determining ages at clinical detection...


Maloo, S.H.Ngumi, P.Mbogo, S.Williamson, S.Thorpe, W.R.Rowlands, G.J.Perry, Brian D.[Identification of a target population for immunisation against East Coast fever in coastal Kenya]Identification of a target population for immunisation against East Coast fever in coastal Kenya
Perry, Brian D.Kruska, R.L.Lessard, P.Norval, R.A.I.Kundert, K.[Estimating the distribution and abundance of Rhipicephalus appendiculatus in Africa]Estimating the distribution and abundance of Rhipicephalus appendiculatus in Africa
Norval, R.A.I.Perry, Brian D.Gebre-Ab, F.Lessard, P.[East Coast fever. A problem of the future for the horn of Africa?]East Coast fever. A problem of the future for the horn of Africa?
Norval, R.A.I.Perry, Brian D.Kruska, R.L.Kundert, K.[The use of climate data interpolation in estimating the distribution of Amblyomma variegatum in Africa]The use of climate data interpolation in estimating the distribution of Amblyomma variegatum in Africa

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
Lessard, P.L'Eplattenier, R.Norval, R.A.I.Kundert, K.Dolan, T.T.Croze, H.Walker, J.B.Irvin, A.D.Perry, Brian D.[Geographic information systems for studying the epidemiology of cattle diseases caused by Theileria parva]Geographic information systems for studying the epidemiology of cattle diseases caused by Theileria parva

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