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Conference Paper 1997

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

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/50184

Investigación en Agricultura
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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
Conference Paper 1997

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

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....

Enlace original: https://cgspace.cgiar.org/handle/10568/50115

Investigación en Agricultura
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Perry, Brian D. ,  Chamboko, Tafireyi ,  Mahan, 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
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 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

Investigación en Agricultura
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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

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