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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: 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

Investigación en Agricultura
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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

Investigación en Agricultura
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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 1992

Autor: Perry, Brian D. Deem, S.L. Medley, G.F. Morzaria, S.P. Young, A.S.
Enlace original: https://cgspace.cgiar.org/handle/10568/51145

Investigación en Agricultura
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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
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

Investigación en Agricultura
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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: 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

Investigación en Agricultura
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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
Journal Article 2012-11-23

Autor: Vatta, A.F. Waller, P.J. Githiori, J.B. Medley, G.F.

A study was conducted to examine the duration of anthelmintic effect of copper oxide wire particles (COWP) in grazing goats, as data for the persistence of efficacy of COWP in this host species is limited. Forty-eight indigenous male goats were infected naturally by grazing them on Haemonchus con...

Enlace original: https://cgspace.cgiar.org/handle/10568/21124

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Vatta, A.F. ,  Waller, P.J. ,  Githiori, J.B. ,  Medley, G.F. ,  [Persistence of the efficacy of copper oxide wire particles against Haemonchus contortus in grazing South African goats] ,  Persistence of the efficacy of copper oxide wire particles against Haemonchus contortus in grazing South African goats

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