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Thesis 1998-12-30

Autor: O'Callaghan, C.J.
Enlace original: https://cgspace.cgiar.org/handle/10568/67115

Investigación en Agricultura
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O'Callaghan, C.J. ,  [A study of the epidemiology of theileriosis on smallholder dairy farms in Kzambu District Kenya] ,  A study of the epidemiology of theileriosis on smallholder dairy farms in Kzambu District Kenya
Journal Article 2001

Autor: Peter, T.F. O'Callaghan, C.J. Medley, G.F. Perry, Brian D. Semu, S.M. Mahan, S.M.

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....

Enlace original: https://cgspace.cgiar.org/handle/10568/32906

Investigación en Agricultura
Enlace permanente
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
Journal Article 1989

Autor: Conrad, P.A. Ole-MoiYoi, O.K. Baldwin, C.L. Dolan, T.T. O'Callaghan, C.J. Njamunggeh, R.E.G. Grootenhuis, J.G. Stagg, D.A. Leitch, B.L. Young, A.S.
Enlace original: https://cgspace.cgiar.org/handle/10568/29434

Investigación en Agricultura
DNA
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Conrad, P.A. ,  Ole-MoiYoi, O.K. ,  Baldwin, C.L. ,  Dolan, T.T. ,  O'Callaghan, C.J. ,  Njamunggeh, R.E.G. ,  Grootenhuis, J.G. ,  Stagg, D.A. ,  Leitch, B.L. ,  Young, A.S. ,  [Characterization of buffalo-derived theilerial parasites with monoclonal antibodies and DNA probes] ,  Characterization of buffalo-derived theilerial parasites with monoclonal antibodies and DNA probes
Conference Paper 2003-11-17

Autor: Díaz, C.M. Massawe, Stella C. Clemence, A. Gitau, G.K. Kiara, Henry K. Muraguri, G.R. O'Callaghan, C.J. Perry, Brian D.
Enlace original: https://cgspace.cgiar.org/handle/10568/1753

Investigación en Agricultura
Enlace permanente
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
Conference Paper 2003-11-17

Autor: Kiara, Henry K. McDermott, John J. O'Callaghan, C.J. Randolph, Thomas F. Perry, Brian D.
Enlace original: https://cgspace.cgiar.org/handle/10568/1074

Investigación en Agricultura
Enlace permanente
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
Conference Paper 2003-11-17

Autor: O'Callaghan, C.J. Medley, G.F. Kiara, Henry K. McDermott, John J. Musoke, A.J. Morzaria, S.P. Perry, Brian D.
Enlace original: https://cgspace.cgiar.org/handle/10568/1071

Investigación en Agricultura
Enlace permanente
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
Journal Article 1999

Autor: O'Callaghan, C.J. Medley, G.F. Peter, T.F. Mahan, S.M. Perry, Brian D.

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 ...

Enlace original: https://cgspace.cgiar.org/handle/10568/33115

Investigación en Agricultura
Enlace permanente
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)
Journal Article 1999

Autor: Mukhebi, A.W. Chamboko, Tafireyi O'Callaghan, C.J. Peter, T.F. Kruska, R.L. Medley, G.F. Mahan, S.M. Perry, Brian D.

Heartwater, caused by the rickettsial organism Cowdria ruminantium, is a serious constraint to livestock development in much of sub-Saharan Africa. Traditionally, the disease has been controlled by the use of chemical acaricides to control the vector tick. The University of Florida/USAID-supporte...

Enlace original: https://cgspace.cgiar.org/handle/10568/33114

Investigación en Agricultura
Enlace permanente
Mukhebi, A.W. ,  Chamboko, Tafireyi ,  O'Callaghan, C.J. ,  Peter, T.F. ,  Kruska, R.L. ,  Medley, G.F. ,  Mahan, S.M. ,  Perry, Brian D. ,  [An assessment of the economic impact of heartwater (Cowdria ruminantium infection) and its control in Zimbabwe] ,  An assessment of the economic impact of heartwater (Cowdria ruminantium infection) and its control in Zimbabwe
Conference Paper 2006-08-07

Autor: Kiara, Henry K. O'Callaghan, C.J. McDermott, John J. Perry, Brian D.
Enlace original: https://cgspace.cgiar.org/handle/10568/1066

Investigación en Agricultura
Enlace permanente
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
Journal Article 1999

Autor: Peter, T.F. Bryson, N.R. Perry, Brian D. O'Callaghan, C.J. Medley, G.F. Smith, G.E. Mlambo, G. Horak, I.G. Burridge, M.J. Mahan, S.M.

Adult Amblyomma hebraeum ticks, the principle vector of heartwater (cowdriosis) of domestic ruminants in southern Africa, were collected in pheromone traps placed in Kruger National Park, an exclusively wildlife sanctuary in South Africa. These ticks transmitted Cowdria ruminantium, the rickettsi...

Enlace original: https://cgspace.cgiar.org/handle/10568/29920

Investigación en Agricultura
Enlace permanente
Peter, T.F. ,  Bryson, N.R. ,  Perry, Brian D. ,  O'Callaghan, C.J. ,  Medley, G.F. ,  Smith, G.E. ,  Mlambo, G. ,  Horak, I.G. ,  Burridge, M.J. ,  Mahan, S.M. ,  [Cowdria ruminantium infection in ticks in the Kruger National Park] ,  Cowdria ruminantium infection in ticks in the Kruger National Park

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