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Abstract

Four species of bovine Theileria are known to occur in Zimbabwe: T. parva lawrencei, T. parva bovis, T. taurotragi and T. mutans. T. parva parva was introduced from Tanzania in 1901 but was eventually eradicated, the last outbreak occurring in 1954. Since then, T. parva group parasites have caused...

Author(s)
Lawrence, J. 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 74-75
Abstract

Four alternative approaches to the control of anaplasmosis and babesiosis as a complex of diseases are identified: no active control, tick control, immunization, and chemoprophylaxis. These methods may be utilized in one of 5 strategies: tick eradication with or without concurrent immunization,...

Author(s)
Lawrence, J. A.; Vos, A. J. de
Citation
Parassitologia (Roma), 1990, 32, 1, pp 63-71
Abstract

An historical account of T. parva infection in southern Africa is given. The disease was probably imported with a shipment of cattle from Tanzania, and after many years of vector control, slaughter of infected animals, quarantine restrictions and fencing, it was eradicated by 1960. The possibility...

Author(s)
Lawrence, J. A.
Publisher
International Laboratory for Research on Animal Diseases, P.O. Box 30709, Nairobi, Kenya
Citation
Immunization against theileriosis in Africa. Proceedings of a Joint Workshop, 1-5 October 1984, Nairobi, Kenya, ILRAD & FAO., 1985, pp 123-124
Abstract

Three calves vaccinated with the Australian Ka strain of B. bovis were fully protected against experimental infection with an isolate from a farm on which 4 of 210 vaccinated cattle had died from B. bovis infection. A degree of cross protection against the isolate was demonstrated in a fourth calf...

Author(s)
Lawrence, J. A.; Malika, J.; Whiteland, A. P.; Kafuwa, P.
Citation
Veterinary Record, 1993, 132, 12, pp 295-296
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 simple method for the collection of brain samples for the PM diagnosis of heartwater is described. A hammer and nail were used to gain access to the cerebrum and a syringe and needle were used to extract the brain material, thus avoiding the need for opening the skull. 27 dead animals (13 calves, ...

Author(s)
Malika, J.; Lawrence, J. A.; Whiteland, A. P.; Kafuwa, P. T.
Citation
Bulletin of Animal Health and Production in Africa, 1992, 40, 3, pp 157-159
Abstract

East Coast fever appeared in southern Africa in 1902, after the importation of cattle from East Africa, and spread throughout the range of R. appendiculatus until it reached the southern limit of distribution of this tick in 1916. It was progressively eradicated by quarantine, destocking, slaughter ...

Author(s)
Lawrence, J. A.
Citation
Veterinary Record, 1991, 128, 8, pp 180-183
Abstract

Records of 283 outbreaks of East Coast fever (due to Theileria parva) in Zimbabwe in the period 1914 to 1946 revealed that transmission of infection occurred throughout the year with peaks in January to March and May to July. The high level of transmission in January to March coincided with the...

Author(s)
Lawrence, J. A.
Citation
Tropical Animal Health and Production, 1991, 23, 2, pp 69-74
Abstract

A personal view of ways to control cattle parasites, with particular reference to the situation in Zimbabwe, is given. Early history, schistosomes and ticks, host-parasite relationships and control, trypanosomiasis, immunization against parasites and indications for eradication are the topics...

Author(s)
Lawrence, J. A.
Citation
Zimbabwe Veterinary Journal, 1990, 21, 4, pp 133-143
Abstract

A summary of control strategies for tick-borne disease control in Africa is presented, with reference to Theileria, Babesia, toxicoses and bacterial infections. Absolute tick control and integrated disease control programmes are discussed briefly.

Author(s)
Lawrence, J. A.
Citation
Parassitologia (Roma), 1990, 32, 1, pp 113-1115

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