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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

This book is the result of a workshop on the control of theileriosis in eastern, central and southern Africa, held at the Lilongwe Hotel, Malawi, in 1988. Originally intended as a review article on the epidemiology of theileriosis in Africa, with the objective of rationalizing the differences in...

Author(s)
Norval, R. A. I.; Perry, B. D.; Young, A. S.
Publisher
Academic Press Limited, London, UK
Citation
The epidemiology of theileriosis in Africa., 1992, pp xiii + 481 pp.
Abstract

A steer was infected with T. parva parva Kilae stabilate; nymphal R. appendiculatus ticks were applied to its ears so that they completed repletion when the steer had a high piroplasm parasitaemia. The engorged nymphs were subsequently incubated at 28°C for 26-29 days to complete moulting, when the ...

Author(s)
Ochanda, H.; Young, A. S.; Mutugi, J. J.; Mumo, J.; Omwoyo, P. L.
Citation
Parasitology, 1988, 97, 2, pp 239-245
Abstract

To study the development and survival of Theileria parva parva in Rhipicephalus appendiculatus in Kenya, nymphs of the Kilai and Muguga strains of R. appendiculatus were infected with the Kilai and Mariakari strains, respectively, of T. p. parva and exposed to natural environmental conditions. The...

Author(s)
Morzaria, S. P.; Young, A. S.
Citation
ACIAR Proceedings Series, Australian Centre for International Agricultural Research, 1987, No. 17, pp 93
Abstract

Collections of adult Rhipicephalus appendiculatus ticks were made from bait cattle and vegetation at two field sites in areas of Kenya in which East Coast fever caused by Theileria parva is endemic. These ticks, together with two experimentally infected batches of ticks, were examined for infection ...

Author(s)
Walker, A. R.; Young, A. S.; Leitch, B. L.
Citation
Zeitschrift fur Parasitenkunde, 1981, 65, 1, pp 63-69
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)
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

Two batches of Rhipicephalus appendiculatus Neum. infected with Theileria parva were fed for 5 days on two groups of rabbits, one of which was given oxytetracycline intramuscularly daily from the day of application of the ticks. Supernates prepared from these ticks, when inoculated into two pairs...

Author(s)
Mchinja, S. J.; Young, A. S.; Omwoyo, P.
Citation
Bulletin of Animal Health and Production, 1977, 25, 2, pp 158-161
Abstract

The moulting behaviour of nymphs of Rhipicephalus appendiculatus Neum. from a laboratory colony and 3 field strains from Kenya was greatly influenced by constant temperatures between 18 and 37 deg C but was not significantly different between the 4 strains. Six batches of R. appendiculatus (Muguga...

Author(s)
Young, A. S.; Leitch, B. L.
Citation
Parasitology, 83, 1, pp 199-211

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