Mortality percentages related to heartwater and the economic impact of heartwater disease on large-scale commercial farms in Zimbabwe

Preventive Veterinary Medicine

Volumn 26, Issue 3-4, 1996, Pages 187-199

  Meltzer, M I ^a,d   Perry, B D ^b   Donachie, P L ^c  

^a University of Florida College of Veterinary Medicine   (United States)

^b International Laboratory for Research on Animal Diseases Kenya   (Kenya)

^c UNIVERSITY OF FLORIDA   (United States)

^d Apt 3 ^*  (United States)

Author keywords

Economic impact; Heartwater; Mortality percentages; Spatial distribution; Zimbabwe

Indexed keywords

EID: 0039684541     PISSN: 01675877     EISSN: None     Source Type: Journal    
DOI: 10.1016/0167-5877(95)01006-8     Document Type: Article

References (27)

1. Aczel, A.D., 1989. Complete Business Statistics. Richard D. Irwin, Inc., Homewood, IL, 1056 pp.
2. Alderink, F.J. and Dietrich, R.A., 1983. Economic and epidemiological implications of anaplasmosis in Texas beef cattle herds. Texas Agricultural Experimental Station, Bull. 1426, 16 pp.
3. Bruning, J.L. and Kintz, B.L., 1987. Computational Handbook of Statistics. 3rd edn., Scott, Foresman and Co., Glenview, IL, 372 pp.
4. Commercial Farmers' Union, 1991. Cattle Producer's Association estimated 1991/92 costs of production (with comparison) for breeding animals for slaughter off grass at over 3 years old: Matabeleland Highveld. Commercial Farmers' Union, Econ/91/13, 9 pp. (mimeo.).
5. de Haan C. and Bekure, S., 1991. Animal health services in sub-Saharan Africa: Initial experiences with alternative approaches. World Bank Technical paper No. 134, The World Bank, Washington, DC, 49 pp.
6. Fredrick, A., Meltzer, M., Andrew, H. and Donovan, P., 1991. Results from the heartwater questionnaire (1988-1991). University of Florida/USAID/SADCC Heartwater Research Project, unpublished mimeo., 12 pp.
7. Hall, R.E., Johnston, J. and Lilien, D.M., 1990. MicroTSP User's Manual, Version 7.0. Quantitative Micro Software, Irvine, CA.
8. Howell, C.J., de Vos, A.J., Bezuidenhout, J.D., Potgieter, F.T. and Barrowman, P.R., 1981. The role of chemical tick eradication in the control and prevention of tick transmitted diseases in cattle. In: G.B. Whitehead and J.D. Gibson (Editors). Tick Biology and Control. Tick Research Unit, Rhodes University, Grahamstown, pp. 61-66.
9. Larzelere, R.E. and Mulaik, S.A., 1977. Single-sample tests for many correlations. Psychol. Bull., 83: 557-569
10. Lawrence, J.A., Foggin, C.M. and Norval, R.A.I., 1980. The effects of war on the control of diseases of livestock in Rhodesia (Zimbabwe). Vet. Record., 107: 82-85.
11. Mahan, S.M., Tebele, N., Mukwedeya, D., Semu, S., Nyathi, C.B., Wassink, L.A., Kelly, P.J., Peter, T. and Barbet, A.F., 1993. An immunoblotting diagnostic assay for heartwater based on the immunodominant 32-kilodalton protein of Cowdria ruminantium detects false positives in field sera. J. Clin. Micro., 31(10): 2729-2737.
12. Meltzer, M.I., 1990. Livestock biotechnology: The economic and ecological impact of alternatives for controlling ticks and tick-borne diseases in Africa. Ph.D. dissertation, Cornell University, Ithaca, 594 pp.
13. Meltzer, M.I. and Norval, R.A.I., 1993. Evaluating the economic damage threshold for bont tick (Amblyomma hebraeum) control in Zimbabwe. Exp. Appl. Acarol., 17: 171-185.
14. Meltzer, M.I., Norval, R.A.I, and Donovan, P.L., 1995. Effects of constant tick infestation and tick-borne disease infections (heartwater, anaplasmosis and babesiosis) on lactation and weight gain of Mashona cattle in southeastern Zimbabwe. Trop. An. Hlth. Prod., 27(3): 129-144.
15. Morley, R.S. and Hugh-Jones, M.E., 1989. The cost of anaplasmosis in the Red River plains and south-east areas of Louisiana. Vet. Res. Commun., 13(5): 349-358.
16. Norval, R.A.I., 1979. Tick infestations and tick-borne diseases in Zimbabwe Rhodesia. Zimbabwe Rhod. Agric. J., 76(4): 161-165.
17. Norval, R.A.I., 1983. Arguments against intensive dipping. Zimbabwe Vet. J., 14(1/4): 19-25.
18. Norval, R.A.I., Meltzer, M.I. and Burridge, M.J., 1992. Distribution, economic importance and control measures for Cowdria ruminantium. In: T.T. Dolan (Editor), Recent Developments in the Control of Anaplasmosis, Babesiosis and Cowdriosis: Proceedings of a workshop, 13-15 May 1991, ILRAD, Nairobi, Kenya. International Laboratory for Research on Animal Diseases, Nairobi, 181 pp.
19. Sachs, L., 1982. Applied Statistics. Springer-Verlag New York Inc., New York, 706 pp.
20. Schreuder, B.E., de Jong, M.C., Pekelder, J.J., Vellema, P., Broker, A.J. and Betcke, H., 1993. Prevalence and incidence of scrapie in The Netherlands: a questionnaire survey. Vet. Record, 133(9): 211-214.
21. Scholl, D.T., Farver, T.B., Dobbelaar, P., Brand, A., Brouwer, F. and Maas, M., 1994. Repeatability evaluation of a dairy farm management questionnaire. Prev. Vet. Med., 18: 129-143.
22. Sischo, W.M., Heider, L.E., Miller, G.Y. and Moore, D.A., 1993. Prevalence of contagious pathogens of bovine mastitis and the use of mastitis control practices. JAVMA, 202(4): 595-600.
23. Slatter, D.H., Edwards, M.E., Hawkins, C.D. and Wilcox, G.E., 1982. A national survey of the occurrence of infectious bovine keratoconjunctivitis. Aust. Vet. J., 59(3): 65-68.
24. Spath, E.J., Mangold, A.J. and Guglielmone, A.A., 1990. Estimation of the potential demand for a bovine babesiosis and anaplasmosis vaccine in Argentina. Vet. Parasitol., 36(1-2): 131-140.
25. Spickett, A.M. and Fivez, B.H., 1992. A survey of cattle tick control practices in the eastern Cape province of South Africa. Onderstepoort J. Vet. Res., 59: 203-210.
26. The Farmer, 1992. Consumer price index - not a good indicator of inflation rate. Harare, October 22, 18 pp.
27. Umali, D.L., Feder, G. and de Haan, C., 1992. The balance between public and private sector activities in the delivery of livestock services. World Bank discussion paper No. 163, The World Bank, Washington, DC, 114 pp.