Resultados de búsqueda - Norval, R.A.I.

Host susceptibility to infestation with Amblyomma hebraeum por Norval, R.A.I.

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The epidemiology of heartwater por Norval, R.A.I.

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The ticks of Zimbabwe. III. Rhipicephalus evertsi evertsi por Norval, R.A.I.

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Tick control in relation to the epidemiology of theileriosis por Norval, R.A.I.

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Gudali cattle of West and Central Africa por Norval, R.A.I.

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The impact of pure infestations of Rhipicephalus appendiculatus and Amblyomma hebraeum on the productivity of cattle and implications for tick control strategies in Africa por Norval, R.A.I.

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The introduction, spread and subsequent disappearance of the Brown Ear tick (Rhipicephalus appendiculatus) from the southern Lowveld of Zimbabwe por Norval, R.A.I., Perry, Brian D.

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Dynamic associations of tick-borne diseases affecting domestic animal health por Norval, R.A.I., Perry, Brian D.

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The Epidemiology of Theileriosis in Africa por Norval, R.A.I., Perry, Brian D., Young, A.S.

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Factors affecting the distribution of the ticks Amblyomma hebraeum and Amblyomma variegatum in Zimbabwe. Implication of reduced acaricide usage por Norval, R.A.I., Perry, Brian D., Meltzer, M.I.

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Tick and tick-borne disease control in Zimbabwe: What might the future hold por Norval, R.A.I., Perry, Brian D., Hargreaves, S.K.

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Pheromone-mediation of host-selection in bont ticks (Amblyomma hebraeum Koch) por Norval, R.A.I., Andrew, H.R., Yunker, C.E.

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The use of climate data interpolation in estimating the distribution of Amblyomma variegatum in Africa por Norval, R.A.I., Perry, Brian D., Kruska, Russell L., Kundert, K.

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East Coast fever. A problem of the future for the horn of Africa? por Norval, R.A.I., Perry, Brian D., Gebre-Ab, F., Lessard, P.

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Epidemiology and decision-making in theileriosis control por Perry, Brian D., Lessard, P., Mukhebi, A.W., Norval, R.A.I.

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Economics, Epidemiology and Ecology: A Multidisciplinary Approach to the Planning and Appraisal of Tick and Tick-Borne Disease Control in Southern Africa por Norval, R.A.I., Barrett, J.C., Perry, Brian D., Mukhebi, A.W.

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Responses of the ticks Amblyomma hebraeum and A. variegatum to known or potential components of the aggregation-attachment pheromome. III. Aggregation por Norval, R.A.I., Peter, T.F., Sonenshine, D.E., Burridge, M.J.

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Immunization of cattle with a Theileria parva bovis stock from Zimbabwe protects against challenge with virulent Theileria parva parva and Theileria parva lawrencei stocks from Ken... por Irvin, A.D., Morzaria, S.P., Munatswa, F.C., Norval, R.A.I.

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Economics, epidemiology and ecology. A multidisciplinary approach to the planning and appraisal of tick and tick-borne disease control in southern Africa por Norval, R.A.I., Barrett, J.C., Perry, Brian D., Mukhebi, A.W.

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A Preliminary Assessment of Current and Alternative Tick and Tick-Borne Disease Control Strategies in Zimbabwe. por Perry, Brian D., Mukhebi, A.W., Norval, R.A.I., Barrett, J.C.

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