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

Compulsory short-interval dipping of cattle for tick control has been enforced in Zimbabwe since the early part of this century. Intensive dipping was initially introduced as a measure to control East Coast fever (ECF), following its introduction from eastern Africa. Dipping was subsequently foun...


Norval, R.A.I.Perry, Brian D.Hargreaves, S.K.[Tick and tick-borne disease control in Zimbabwe: What might the future hold]Tick and tick-borne disease control in Zimbabwe: What might the future hold
Norval, R.A.I.Perry, Brian D.Kruska, R.L.Kundert, K.[The use of climate data interpolation in estimating the distribution of Amblyomma variegatum in Africa]The use of climate data interpolation in estimating the distribution of Amblyomma variegatum in Africa

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...


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

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