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Abstract

Examination of routine diagnostic smears and those from the FAO recorded herd scheme showed that Theileria occurs in all Provinces of Zambia, especially in the Eastern and Northern Provinces where T. parva/T. lawrencei-like parasites probably contribute considerably to cattle mortality. The...

Author(s)
Musisi, F. L.; Peirce, M. A.
Publisher
Martinus Nijhoff Publishers, The Hague, Netherlands
Citation
Advances in the control of theileriosis. Proc. Internat. Conf., 9-13 Feb. 1981, Nairobi., 1981, pp 76-78
Abstract

Collections of adult R. appendiculatus were made between November 1979 and October 1980 in a restricted area around a Maasi Boma in Trans-Mara, Kenya. Of 1107 ticks examined, 25 (2.3%) had Theileria in the salivary glands. Of the positive ticks, 16 had only a single acinus infected but one male had ...

Author(s)
Leitch, B. L.; Young, A. S.
Publisher
Martinus Nijhoff Publishers, The Hague, Netherlands
Citation
Advances in the control of theileriosis. Proc. Internat. Conf., 9-13 Feb. 1981, Nairobi., 1981, pp 63-65
Abstract

Author(s)
Young, A. S.; Shaw, M. K.; Ochanda, H.; Morzaria, S. P.; Dolan, T. T.
Publisher
University of Minnesota, St Paul, Minnesota, USA
Citation
First International Conference on Tick-borne Pathogens at the Host-Vector Interface: An Agenda for Research: Proceedings and abstracts, September 15-18, 1992, University of Minnesota College of Agriculture, Department of Entomology, Minnesota Extension Service, Saint Paul, Minnesota, USA., 1992, pp 65-70
Abstract

Author(s)
Tatchell, R. J.
Publisher
Martinus Nijhoff Publishers, The Hague, Netherlands
Citation
Advances in the Control of Theileriosis. Proceedings of an International Conference held at the International Laboratory for Research on Animal Diseases in Nairobi, 9-13th February, 1981, 1981, pp 148-159
Abstract

Plastic ear tags impregnated with acaricides (10% fenvalerate, fenpropathrin or fluvalinate or 8% permethrin) were evaluated for the control of Rhipicephalus appendiculatus infesting cattle in the laboratory and the field in Kenya. The tags gave excellent control for more than 20 weeks in the...

Author(s)
Young, A. S.; Castro, J. J. de; Burns, C.; Murphy, D. L.
Citation
Parasitology, 1985, 90, 2, pp 391-399
Abstract

A large database on the transmission of a stabilate of the T. parva Muguga stock from one breed of cattle using 2 stocks of R. appendiculatus, Muguga and Ol Pejeta was developed and analysed. Factors associated with the ticks and cattle, and the infections developing in cattle were studied in...

Author(s)
Young, A. S.; Dolan, T. T.; Morzaria, S. P.; Mwakima, F. N.; Norval, R. A. I.; Scott, J.; Sherriff, A.; Gettinby, G.
Citation
Parasitology, 1996, 113, 3, pp 255-266
Abstract

The transmission of T. parva by nymphal and adult R. 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 on cattle...

Author(s)
Ochanda, H.; Young, A. S.; Wells, C.; Medley, G. F.; Perry, B. D.
Citation
Parasitology, 1996, 113, 3, pp 243-253
Abstract

A technique is described for the efficient feeding of R. appendiculatus nymphs on cattle blood through an artificial membrane bearing tactile and olfactory stimuli. The effect of 4 anticoagulation methods on the feeding of nymphs was compared and heparinized blood was found to be the most...

Author(s)
Waladde, S. M.; Young, A. S.; Ochieng', S. A.; Mwaura, S. N.; Mwakima, F. N.
Citation
Parasitology, 1993, 107, 3, pp 249-256
Abstract

Heritability of susceptibility to infection with T. parva was estimated from full sib families of R. appendiculatus. Male and female ticks of 2 stocks were mated singly. 19 full sib families of the Muguga stock and 17 full sib families of the Kiambu stock (from Kenya) were obtained. Nymphs of these ...

Author(s)
Young, A. S.; Dolan, T. T.; Mwakima, F. N.; Ochanda, H.; Mwaura, S. N.; Njihia, G. M.; Muthoni, M. W.; Dolan, R. B.
Citation
Parasitology, 1995, 111, 1, pp 31-38
Abstract

The initiation of feeding of infected R. appendiculatus adults induces the rapid development of T. parva sporoblasts within the salivary gland (SG) acini leading to the production of numerous sporozoites which are inoculated into the mammalian host initiating infection. The pattern of development,...

Author(s)
Shaw, M. K.; Young, A. S.
Citation
Parasitology, 1995, 111, 2, pp 153-160

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