Transition models to assess risk factors for new and persistent trypanosome infections in cattle - Analysis of longitudinal data from the Ghibe valley, southwest Ethiopia

Journal of Parasitology

Volumn 90, Issue 6, 2004, Pages 1279-1287

  Schukken, Y H ^a   Van Schaik, G ^a,b   McDermott, J J ^a,c   Rowlands, G J ^a,c   Nagda, S M ^a,c   Mulatu, Woudyalew ^a,d   D'Ieteren, G D M ^a,c  

^a Department of Obstetrics Gynecology   (United States)

^b UNIVERSIDAD AUSTRAL DE CHILE   (Chile)

^c INTERNATIONAL LIVESTOCK RESEARCH INSTITUTE   (Kenya)

^d INTERNATIONAL LIVESTOCK RESEARCH INSTITUTE   (Ethiopia)

Author keywords

[No Author keywords available]

Indexed keywords

DIMINAZENE ACETURATE; INSECTICIDE; ANTITRYPANOSOMAL AGENT; DIMINAZENE; DRUG DERIVATIVE;

DISEASE TRANSMISSION; MODELING; RISK ASSESSMENT;

ANIMAL CELL; ARTICLE; CATTLE; ETHIOPIA; INCIDENCE; INFECTION RISK; INFECTION SENSITIVITY; INFORMATION PROCESSING; LONGITUDINAL STUDY; NONHUMAN; RISK FACTOR; STATISTICAL ANALYSIS; STATISTICAL MODEL; TRYPANOSOMIASIS; TSETSE FLY; AFRICAN TRYPANOSOMIASIS; AGE; ANIMAL; ANIMAL DISEASE; BIOLOGICAL MODEL; CATTLE DISEASE; DISEASE CARRIER; FEMALE; GROWTH, DEVELOPMENT AND AGING; INSECT CONTROL; MALE; METHODOLOGY; PARASITOLOGY; PREVALENCE; RECURRENT DISEASE; RISK; SEASON; SENSITIVITY AND SPECIFICITY; SEX DIFFERENCE;

AFRICA; EAST AFRICA; EASTERN HEMISPHERE; ETHIOPIA; SUB-SAHARAN AFRICA; WORLD;

AGE FACTORS; ANIMALS; CATTLE; DIMINAZENE; ETHIOPIA; FEMALE; INCIDENCE; INSECT CONTROL; INSECT VECTORS; LONGITUDINAL STUDIES; MALE; MODELS, BIOLOGICAL; ODDS RATIO; PREVALENCE; RECURRENCE; RISK FACTORS; SEASONS; SENSITIVITY AND SPECIFICITY; SEX FACTORS; TRYPANOCIDAL AGENTS; TRYPANOSOMIASIS, AFRICAN; TRYPANOSOMIASIS, BOVINE; TSETSE FLIES;

EID: 14244260104     PISSN: 00223395     EISSN: None     Source Type: Journal    
DOI: 10.1645/GE-350     Document Type: Article

References (18)

1. ANDERSON, R. M., AND R. M. MAY. 1991. Infectious diseases of humans - Dynamics and control. Oxford University Press, Oxford, U.K., 755 p.
2. CODJIA, V., W. MULATU, P. A. O. MAJIWA, S. G. A. LEAK, G. J. ROWLANDS, E. AUTHIÉ, G. D. M. D'IETEREN, AND A. S. PEREGRINE. 1993. Epidemiology of bovine trypanosomiasis in the Ghibe valley, southwest Ethiopia. 3. Occurrence of populations of Trypanosoma congolense resistant to diminazene isometamidium and homidium. Acta Tropica 53: 151-163.
3. DIGGLE, P. J., K.-H. LIANG, AND S. L. ZEGER. 1994. Analysis of longitudinal data. Oxford University Press, New York, 369 p.
4. DOLAN, R. B. 1998. The Orma Boran: A trypanotolerant East African breed. Fifteen years of research on Galana Ranch in Kenya. Kenya Trypanosomiasis Research Institute, Kikuyu, Kenya, 96 p.
5. LEAK, S. G. A., AND W. MULATU. 1993. Advance of Glossins morsitans submorsitans and G. pallidipes along the Ghibe-river system in southwest Ethiopia. Acta Tropica 53: 121-134.
6. _, E. AUTHIÉ, G. D. M. D'IETEREN, A. S. PEREGRINE, G. J. ROWLANDS, AND J. C. M. TRAIL. 1993. Epidemiology of bovine trypanosomiasis in the Ghibe valley, southwest Ethiopia. 1. Tsetse challenge and its relationship to trypanosome prevalence in cattle. Acta Tropica 53: 121-134.
7. _, A. S. PEREGRINE, W. MULATU, G. J. ROWLANDS, AND G. D. M. D'IETEREN. 1996. Use of insecticide-impregnated targets for the control of tsetse flies (Glossina spp.) and Trypanosomiasis occurring in cattle in an area of southwest Ethiopia with a high prevalence of drug-resistant trypanosomes. Tropical Hygiene and International Health 1: 599-609.
8. MCCULLAGH, P., AND J. A. NELDER. 1989. Generalized linear models, 2nd ed. Chapman and Hall, London, U.K., 511 p.
9. MULUGETA, W., J. WILKES, W. MULATU, P. A. O. MAJIWA, R. MASAKE, AND A. S. PEREGRINE. 1997. Long-term occurrence of Trypanosoma congolense resistant to diminazene, isometamidium and homidium in cattle at Ghibe, Ethiopia. Acta Tropica 64: 205-217.
10. MURRAY, M., P. K. MURRAY, AND W. I. M. MCINTYRE. 1977. An improved parasitoloical technique for the diagnosis of African trypanosomiasis. Transactions of the Royal Society of Tropical Medicine and Hygiene 71: 325-326.
11. PEREGRINE, A. S. 1994. Chemotherapy and delivery systems: Haemoparasites. Veterinary Parasitology 54: 223-248.
12. ROWLANDS, G. J., S. G. A. LEAK, W. MULATU, S. M. NAGDA, A. WILSON, AND G. D. M. D'IETEREN. 2000. Use of Deltamethrin 'pour-on' insecticide for the control of cattle trypanosomiasis in the presence of high tsetse invasion. Medical and Veterinary Entomology 15: 87-96.
13. _, A. S. PEREGRINE, S. M. NAGDA, AND W. MULATU. 2001. The incidence of new and the prevalence and persistence of recurrent trypanosome infections in cattle in southwest Ethiopia exposed to a high challenge with drug-resistant parasites. Acta Tropica 79: 149-163.
14. _, W. MULATU, E. AUTHIÉ, G. D. M. D'IETEREN, S. G. A. LEAK, AND S. M. NAGDA. 1994. Effects of trypanosomiasis on growth and mortality of young East African Zebu cattle exposed to drug-resistant trypanosomes. Preventive Veterinary Medicine 21: 87-101.
15. _, AND A. S. PEREGRINE. 1993. Epidemiology of bovine trypanosomiasis in the Ghibe valley, southwest Ethiopia. 2. Factors associated with variations in trypanosome prevalence, incidence of new infections and prevalence of recurrent infections. Acta Tropica 53: 135-150.
16. SNOW, W. F., AND P. RAWLINGS. 1999. Methods for the rapid appraisal of African animal trypanosomiasis in the Gambia. Preventative Veterinary Medicine 42: 67-86.
17. TRAIL, J. C. M., N. WISSOCQ, G. D. M. D'IETEREN, O. KAKIESSE, AND M. MURRAY. 1994. Patterns of Trpanosoma vivax and T. congolense infection differ in young N'Dama cattle and their dams. Veterinary Parasitology 55: 175-183.
18. ZEGER, S. L., K.-Y. LIANG, AND P. S. ALBERT. 1988. Models for longitudinal data: a generalized estimating equation approach. Biometrics 44: 1049-1060.