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An average of 840 East African Zebu cattle from nine herds in the Ghibe Valley, southwest Ethiopia were monitored from 1986 to 1990. Each month blood samples were collected from analysis of packed red cell volume and detection of trypanosomes. Animals were found to be parasitaemic and with a PCV ...


Rowlands, G.J.Mulatu, W.Authie, A.D'Ieteren, G.D.M.Leak, S.G.A.Nagda, S.M.Peregrine, A.S.[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]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

Relationships were evaluated between trypanosome infection as measured by antigen detection enzyme immunoassays (antigen ELISA), anaemia as determined by average packed red cell volume (PCV), and animal performance as assessed by daily weight gain in 99 N'Dama cattle in Gabon exposed to natural t...


Trail, J.C.M.D'Ieteren, G.D.M.Viviani, P.Yangari, G.Nantulya, V.M.[Relationships between trypanosome infection measured by antigen detection enzyme immunoassays, anaemia and growth in trypanotolerant N'Dama cattle]Relationships between trypanosome infection measured by antigen detection enzyme immunoassays, anaemia and growth in trypanotolerant N'Dama cattle

Trypanosomiasis, a disease transmitted by the tsetse fly, is a major constraint to livestock production and mixed farming in Africa. Due to the prevalence of trypanosomiasis and skin diseases in much of Zaire, it was concluded that cattle production was only feasible through the introduction of t...


Itty, P.Rowlands, G.J.Minengu, M.Ngamuna, S.Winkel, F. vanD'Ieteren, G.D.M.[The economics of recently introduced village cattle production in a tsetse affected area. (I): Trypanotolerant N'Dama cattle in Zaire]The economics of recently introduced village cattle production in a tsetse affected area. (I): Trypanotolerant N'Dama cattle in Zaire

Trypanosomiasis, a disease transmitted by the tsetse fly, is a major constraint to livestock production and mixed farming in Africa. This study examines the economics of the village production of trypanotolerant cattle recently introduced in an affected area of Togo that was previously virtually ...


Itty, P.Rowlands, G.J.Morkramer, G.Defly, A.D'Ieteren, G.D.M.[The economics of recently introduced village cattle production in a tsetse affected area. (II): Trypanotolerant cattle in southern Togo]The economics of recently introduced village cattle production in a tsetse affected area. (II): Trypanotolerant cattle in southern Togo

The objective of this study was to apply transition models to distinguish between factors associated with both incident and persistent trypanosome infections. Data collected from 1561 cattle were analyzed from a long-term study involving 8 herds in which both trypanosome infections (a total of 56...


Schukken, Y.H.Schaik, G. vanMcDermott, John J.Rowlands, G.J.Nagda, S.M.Mulatu, W.D'Ieteren, G.D.M.[Transition models to assess risk factors for new and persistent trypanosome infections in cattle - analysis of longitudinal data from the Ghibe Valley, Southwest Ethiopia]Transition models to assess risk factors for new and persistent trypanosome infections in cattle - analysis of longitudinal data from the Ghibe Valley, Southwest Ethiopia

Interviews with all the households in the Agropastoral Zone (ZAP) of Yale, southern Burkina Faso, were conducted in 1994 and again in 1997 to assess the impacts of a tsetse control programme implemented from 1994, using insecticide-impregnated targets and pour-on treatments of all cattle with del...


Kamuanga, M.Sigue, H.Swallow, B.M.Bauer, B.D'Ieteren, G.D.M.[Farmers' perceptions of the impacts of tsetse and trypanosomosis control on livestock production: Evidence from southern Burkina Faso]Farmers' perceptions of the impacts of tsetse and trypanosomosis control on livestock production: Evidence from southern Burkina Faso

A tsetse control campaign was started in January 1991 using a synthetic pyrethroid cypermethrin `pour-on' applied monthly to cattle exposed to high levels of drug-resistant trypanosomes in the Ghibe valley of southwest Ethiopia. In December 1992, a cost-recovery scheme was introduced, and thereaf...


Rowlands, G.J.Mulatu, W.Leak, S.G.A.Nagda, S.M.D'Ieteren, G.D.M.[Estimating the effects of tsetse control on livestock productivity - a case study in southwest Ethiopia]Estimating the effects of tsetse control on livestock productivity - a case study in southwest Ethiopia

Trypanosomiasis is one of the major constraints on animal production in areas of Africa that have the greatest potential for significant increases in domestic livestock populations and livestock productivity. While various methods are being used by farmers to control the disease, major public eff...


D'Ieteren, G.D.M.Kimani, K.[Indigenous genetic resources: A sustainable and environmentally friendly option for livestock production in areas at risk from trypanosomosis]Indigenous genetic resources: A sustainable and environmentally friendly option for livestock production in areas at risk from trypanosomosis

Discusses trypanotolerance in cattle and prospects for the control of trypanosomiasis by selective breeding in Africa. Looks into methods available for control including tsetse control, drugs & vaccination and discusses constraints that limit the control. Also discusses prospects for future contr...


Murray, M.Trail, J.C.M.D'Ieteren, G.D.M.[Trypanotolerance in cattle and prospects for the control of trypanosomiasis by selective breeding]Trypanotolerance in cattle and prospects for the control of trypanosomiasis by selective breeding

Cattle raised in the Ghibe valley of southwest Ethiopia are exposed to medium to high levels of trypanosomiasis risk and are often given trypanocidal drugs. A benefit-cost analysis was undertaken to evaluate the financial and economic returns generated by cattle raised in the area under a systema...


Itty, P.Swallow, B.M.Rowlands, G.J.Mulatu, W.D'Ieteren, G.D.M.[The economics of village cattle production in a tsetse infested area of southwest Ethiopia]The economics of village cattle production in a tsetse infested area of southwest Ethiopia

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