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Conference Paper 1997

Autor: Perry, Brian D. Kruska, R.L. Medley, G.F. Mukhebi, A.W. O'Callaghan, C.J. Peter, T.F. Reid, Robin S. Williams, T.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/50504

Investigación en Agricultura
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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
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 1995

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

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/50116

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 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
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 2007-10-11

Autor: Rich, Karl M. Moyo, Siboniso Perry, Brian D. Freeman, H.A.
Enlace original: https://cgspace.cgiar.org/handle/10568/1190

Investigación en Agricultura
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Rich, Karl M. ,  Moyo, Siboniso ,  Perry, Brian D. ,  Freeman, H.A. ,  [New challenges, new responsibilities: the role of government in promoting agriculture, livestock, and rural development in Namibia] ,  New challenges, new responsibilities: the role of government in promoting agriculture, livestock, and rural development in Namibia
Conference Paper 1997

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

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/50860

Investigación en Agricultura
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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
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 1991

Autor: Perry, Brian D. Norval, R.A.I. Kruska, R.L. Ushewokunze-Obatolu, U. Booth, T.
Enlace original: https://cgspace.cgiar.org/handle/10568/50958

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Perry, Brian D. ,  Norval, R.A.I. ,  Kruska, R.L. ,  Ushewokunze-Obatolu, U. ,  Booth, T. ,  [Predicting the epidemiology of tick-borne diseases of cattle in Zimbabwe using geographic information systems] ,  Predicting the epidemiology of tick-borne diseases of cattle in Zimbabwe using geographic information systems

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