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Journal Article 1998

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

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/32908

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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
Conference Paper 2000

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

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/50957

Investigación en Agricultura
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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)
Conference Paper 1998

Autor: Mahan, S.M. Sileghem, M.R. Smith, G. Byrom, B.

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 ...

Enlace original: https://cgspace.cgiar.org/handle/10568/51046

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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
Conference Paper 1998

Autor: Perry, Brian D. Peter, T.F. Chamboko, Tafireyi Mahan, S.M. Medley, G.F. Mukhebi, A.W. O'Callaghan, C.J. Minjauw, B.
Enlace original: https://cgspace.cgiar.org/handle/10568/51102

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Perry, Brian D. ,  Peter, T.F. ,  Chamboko, Tafireyi ,  Mahan, 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
Conference Paper 1998

Autor: Peter, T.F. Perry, Brian D. O'Callaghan, C.J. Medley, G.F. Shumba, W. Madzima, W. Burridge, M.J. Mahan, S.M.
Enlace original: https://cgspace.cgiar.org/handle/10568/51143

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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
Conference Paper 1998

Autor: Chamboko, Tafireyi Mukhebi, A.W. O'Callaghan, C.J. Peter, T.F. Kruska, R.L. Medley, G.F. Mahan, S.M. Perry, Brian D.
Enlace original: https://cgspace.cgiar.org/handle/10568/50421

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Chamboko, Tafireyi ,  Mukhebi, 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
Conference Paper 2000

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

Heartwater is a disease of high mortality in domestic ruminants (cattle, sheep and goats) in sub-Saharan Africa and in the Caribbean. An intracellular rickettsia, Cowdria ruminantium, is the cause of the disease and is transmitted by ticks of the genus Amblyomma. Losses due to heartwater are high...

Enlace original: https://cgspace.cgiar.org/handle/10568/50223

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Peter, T.F. ,  O'Callaghan, C.J. ,  Medley, G.F. ,  Mahan, S.M. ,  Perry, Brian D. ,  [Biological support for modeling the transmission dynamics of cowdriosis] ,  Biological support for modeling the transmission dynamics of cowdriosis
Conference Paper 1998

Autor: Mahan, S.M. Peter, T.F. Perry, Brian D. Modisa, L. Axsel, G. Bryson, N. Merwe, L. van der Reit, P. van der Pistorius, J. Dlamini, P. Makala, L. Munyama, G. Barbet, A.F. Burridge, M.J.
Enlace original: https://cgspace.cgiar.org/handle/10568/50270

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Mahan, S.M. ,  Peter, T.F. ,  Perry, Brian D. ,  Modisa, L. ,  Axsel, G. ,  Bryson, N. ,  Merwe, L. van der ,  Reit, P. van der ,  Pistorius, 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
Conference Paper 1998

Autor: Minjauw, B. Perry, Brian D. Kruska, R.L. Peter, T.F. Mahan, S.M. Medley, G.F. O'Callaghan, C.J.
Enlace original: https://cgspace.cgiar.org/handle/10568/50420

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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
Conference Paper 2000

Autor: Minjauw, B. Kruska, R.L. Odero, A. Randolph, Thomas F. McDermott, John J. Mahan, S.M. Perry, Brian D.

Heartwater is a tick-borne disease of cattle, sheep and goats and some wild ruminants prevalent in much of Africa and the Caribbean. It is caused by the rickettsial organism Cowdria ruminantium and transmitted by ticks of the genus Amblyomma. The disease has traditionally been controlled by the u...

Enlace original: https://cgspace.cgiar.org/handle/10568/50419

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Minjauw, B. ,  Kruska, R.L. ,  Odero, A. ,  Randolph, Thomas F. ,  McDermott, John J. ,  Mahan, S.M. ,  Perry, Brian D. ,  [Economic impact assessment of Cowdria ruminantium infection and its control in Southern Africa] ,  Economic impact assessment of Cowdria ruminantium infection and its control in Southern Africa

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