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Díaz, C.M.Massawe, Stella C.Clemence, A.Gitau, G.K.Kiara, Henry K.Muraguri, G.R.O'Callaghan, C.J.Perry, Brian D.[Risk mapping of East Coast fever in coastal and highland regions of Kenya based on predicted mortality and morbidity incidences]Risk mapping of East Coast fever in coastal and highland regions of Kenya based on predicted mortality and morbidity incidences
Kiara, Henry K.McDermott, John J.O'Callaghan, C.J.Randolph, Thomas F.Perry, Brian D.[Estimating biological parameters for modelling the transmission dynamics of Theileria parva infection]Estimating biological parameters for modelling the transmission dynamics of Theileria parva infection
O'Callaghan, C.J.Medley, G.F.Kiara, Henry K.McDermott, John J.Musoke, A.J.Morzaria, S.P.Perry, Brian D.[Quantitative analysis of dose-response effects in the transmission dynamics of Theileria parva and the impact of sporozoite-neutralising vaccines]Quantitative analysis of dose-response effects in the transmission dynamics of Theileria parva and the impact of sporozoite-neutralising vaccines
Kiara, Henry K.O'Callaghan, C.J.McDermott, John J.Perry, Brian D.[A study of the epidemiologic states of theileriosis in a range of smallholder dairy farms in Kenya]A study of the epidemiologic states of theileriosis in a range of smallholder dairy farms in Kenya

The International Livestock Research Institute (ILRI) conducts research on strategic issues that constrain livestock productivity of resource-poor households, with a focus as smallholder crop-livestock systems. The institute conducts research in the areas of ruminant genetics, ruminant health, fe...


Perry, Brian D.Kruska, R.L.Medley, G.F.Mukhebi, A.W.O'Callaghan, C.J.Peter, T.F.Reid, Robin S.Williams, T.[Ex ante impact assessment of disease control technologies: The case of vector-borne infections in Africa]Ex ante impact assessment of disease control technologies: The case of vector-borne infections in Africa

Heartwater is a severe tick-borne, non-contagious disease of ruminant livestock caused by the rickettsia Cowdria ruminantium, which is endemic in much of sub-Saharan Africa and in the Caribbean. Transmission occurs via ticks of the Amblyomma genus, primarily A. variegatum and A. hebraeum. Intense...


Peter, T.F.O'Callaghan, C.J.Perry, Brian D.Medley, G.F.Mahan, S.[Application of PCR in heartwater epidemiology]Application of PCR in heartwater epidemiology

Seventy 1- to 4-year old female indigenous goats were matched and randomised into two groups to measure the effects of naturally acquired trypanosome infections on oestrus and conception. All goats were treated twice with diminazene aceturate (Berenil) at 7 mg/kg body weight at two-week intervals...


Perry, Brian D.Chamboko, TafireyiMahan, S.Medley, G.F.Mukhebi, A.W.O'Callaghan, C.J.Peter, T.F.[A study of the effects of trypanosome infection on the fertility of female goats in Lulangwa Valley, eastern Zambia]A study of the effects of trypanosome infection on the fertility of female goats in Lulangwa Valley, eastern Zambia

Heartwater, a disease of ruminants caused by the rickettsia Cowdria ruminantium and transmitted by ticks of the genus Amblyomma, is a significant cause of productivity losses in cattle, sheep and goats in most of sub-Saharan Africa. In southern Africa, the vector of C. ruminantium is A. hebraeum....


Perry, Brian D.Chamboko, TafireyiMahan, S.Medley, G.F.Mukhebi, A.W.O'Callaghan, C.J.Peter, T.F.[A study of the effects of heartwater and its control on livestock productivity and economics in Zimbabwe]A study of the effects of heartwater and its control on livestock productivity and economics 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

Heartwater, an infectious disease of ruminants caused by the rickettsia Cowdria ruminantium (transmitted by ixodid ticks of the genus Amblyomma and vertically), severely constrains livestock production throughout sub-Saharan Africa. Its epidemiology varies from epidemics with high mortality (on i...


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

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