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Among the blood-sucking arthropods, ixodid ticks have some of the most complicated feeding behavior requirements. Feeding is preceded by an attachment process, and each instar has to remain fully attached to the same feeding site for a period of 2-14 days. These biological demands have for a long...


Young, A.S.Waladde, S.M.Morzaria, S.P.[Artificial feeding systems for ixodid ticks as a tool for study of pathogen transmission]Artificial feeding systems for ixodid ticks as a tool for study of pathogen transmission
Morrison, W. IvanWells, P.W.Moloo, S.K.Paris, J.Murray, M.[Interference in the establishment of superinfections with Trypanosoma congolense in cattle]Interference in the establishment of superinfections with Trypanosoma congolense in cattle
Grootenhuis, J.G.Young, A.S.Kanhai, G.K.Paling, R.W.[Experimental tick transmission of Theileria species between eland]Experimental tick transmission of Theileria species between eland
Lonsdale-Eccles, J.D.Grab, D.J.[Purification of African trypanosomes can cause biochemical changes in the parasites]Purification of African trypanosomes can cause biochemical changes in the parasites

Six Boran cattle were infected with the drug-resistant Trypanosoma congolense IL 3338. At the first peak of parasitemia different groups of 200 teneral Glossina morsitans centralis were fed once on each animal, just prior to treatment with diminazene aceturate at a dose of 3.5 mg kg-1 body weight...


Diack, A.Moloo, S.K.Peregrine, A.S.[Effect of multiple treatment of cattle with diminazene aceturate on the infectivity and transmissibility of drug-resistant Trypanosoma congolense for Glossina morsitans centralis]Effect of multiple treatment of cattle with diminazene aceturate on the infectivity and transmissibility of drug-resistant Trypanosoma congolense for Glossina morsitans centralis

Adult Amblyomma hebraeum ticks, the principle vector of heartwater (cowdriosis) of domestic ruminants in southern Africa, were collected in pheromone traps placed in Kruger National Park, an exclusively wildlife sanctuary in South Africa. These ticks transmitted Cowdria ruminantium, the rickettsi...


Peter, T.F.Bryson, N.R.Perry, Brian D.O'Callaghan, C.J.Medley, G.F.Smith, G.E.Mlambo, G.Horak, I.G.Burridge, M.J.Mahan, S.M.[Cowdria ruminantium infection in ticks in the Kruger National Park]Cowdria ruminantium infection in ticks in the Kruger National Park
Dwinger, R.H.Murray, M.Luckins, A.G.Rae, P.F.Moloo, S.K.[Interference in the establishment of tsetse-transmitted Trypanosoma congolense, Trypanosoma brucei or Trypanosoma vivax superinfections in goats already infected with Trypanosoma congolense or Trypanosoma vivax]Interference in the establishment of tsetse-transmitted Trypanosoma congolense, Trypanosoma brucei or Trypanosoma vivax superinfections in goats already infected with Trypanosoma congolense or Trypanosoma vivax

A dynamic model of Schistosoma japonicum transmission is presented that incorporates effects of infection intensity, age, and sex. We use four infection intensity classes to investigate the impact of ecologic changes and public health interventions on the burden of infection within communities. A...


Riley, S.Carabin, H.Marshall, C.Olveda, R.Willingham, A.L.McGarvey, S.T.[Estimating and modeling the dynamics of the intensity of infection with Schistosoma japonicum in villagers of Leyte, Philippines. Part II: Intensity-specific transmission of S. japonicum. The schistosomiasis transmission and ecology project]Estimating and modeling the dynamics of the intensity of infection with Schistosoma japonicum in villagers of Leyte, Philippines. Part II: Intensity-specific transmission of S. japonicum. The schistosomiasis transmission and ecology project
Opasina, B.A.Onyeka, E.C.[Preliminary report on the incidence of trypanosomiasis in West African Dwarf sheep and goats in southwest Nigeria]Preliminary report on the incidence of trypanosomiasis in West African Dwarf sheep and goats in southwest Nigeria

The transmission of Theileria parva by nymphal and adult Rhipicephalus appendiculatus was compared by the assessment of salivary gland infections in tick batches fed on the same group of infected cattle at the same time. When larval and nymphal R. appendiculatus Muguga ticks were fed concurrently...


Ochanda, H.Young, A.S.Wells, C.Medley, G.F.Perry, Brian D.[Comparison of the transmission of Theileria parva between different instars of Rhipicephalus appendiculatus]Comparison of the transmission of Theileria parva between different instars of Rhipicephalus appendiculatus

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