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Walladde, S.M.Young, A.S.Ochieng, S.A.Mwaura, S.N.Mwakima, F.N.[Transmission of Theileria parva to cattle by Rhipicephalus appendiculatus adults fed as nymphae in vitro on infected blood through an artificial membrane]Transmission of Theileria parva to cattle by Rhipicephalus appendiculatus adults fed as nymphae in vitro on infected blood through an artificial membrane
Waladde, S.M.Young, A.S.Mwaura, S.N.Njihia, G.N.Mwakima, F.N.[Optimization of the in vitro feeding of Rhipicephalus appendiculatus nymphae for the transmission of Theileria parva]Optimization of the in vitro feeding of Rhipicephalus appendiculatus nymphae for the transmission of Theileria parva

Heritability of susceptibility to infection with Theileria parva was estimated from full sib families of Rhipicephalus appendiculatus ticks. Male and female ticks of 2 stocks were mated singly. Nineteen full sib families of the Mugufa stock and 17 full sib families of the Kiambu stock were obtain...


Young, A.S.Dolan, T.T.Mwakima, F.N.Ochanda, H.Mwaura, S.N.Njihia, G.N.Muthoni, M.W.Dolan, R.B.[Estimation of heritability of susceptibility to infection with Theileria parva in the tick Rhipicephalus appendiculatus]Estimation of heritability of susceptibility to infection with Theileria parva in the tick Rhipicephalus appendiculatus
Young, A.S.Leitch, L.Morzaria, S.P.Irvin, A.D.Omwoyo, P.L.Castro, J.J. de[Development and survival of Theileria parva parva in Rhipicephalus appendiculatus exposed in the Trans-Mara, Kenya]Development and survival of Theileria parva parva in Rhipicephalus appendiculatus exposed in the Trans-Mara, Kenya
Young, A.S.Leitch, L.Irvin, A.D.Dobbelaere, D.A.E.[The effect of irradiation on the susceptibility of Rhipicephalus appendiculatus ticks to Theileria parva infection]The effect of irradiation on the susceptibility of Rhipicephalus appendiculatus ticks to Theileria parva infection

A comparison of ten methods for staining tick salivary glands for detection of Theileria parva infection from ticks fed on rabbits for various periods was under taken. Staining with azure without hydrochloric acid hydrolysis was found to be the most reliable method for detection of the presporozo...


Voigt, W.P.Mwaura, S.N.Njihia, G.M.Nyaga, S.G.Young, A.S.[Detection of Theileria parva in the salivary glands of Rhipicephalus appendiculatus: Evaluation of staining methods]Detection of Theileria parva in the salivary glands of Rhipicephalus appendiculatus: Evaluation of staining methods

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

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

A large database on the transmission of a stabilate of the Theileria parva Muguga stock from one breed of cattle using two stocks of Rhipicephalus appendiculatus, Muguga and O1 Pejeta was developed and analysed. Factors associated with the ticks and cattle, and the infections developing in cattle...


Young, A.S.Dolan, T.T.Morzaria, S.P.Mwakima, F.N.Norval, R.A.I.Scott, J.Sherriff, A.Gettinby, G.[Factors influencing infections in Rhipicephalus appendiculatus ticks fed on cattle infected with Theileria parva]Factors influencing infections in Rhipicephalus appendiculatus ticks fed on cattle infected with Theileria parva

The initiation of feeding of infected Rhipicephalus appendiculatus adults induces the rapid development of Theileria parva sporoblasts within the salivary gland acini leading to the production of numerous sporozoites which are inoculated into the mammalian host initiating infection. In this study...


Shaw, M.K.Young, A.S.[Differential development and emission of Theileria parva sporozoites from the salivary gland of Rhipicephalus appendiculatus]Differential development and emission of Theileria parva sporozoites from the salivary gland of Rhipicephalus appendiculatus

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