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Over a 12-month period 313 (8.4 percent) out of 3727 slaughter cattle sampled at Ibadan abattoir were found to be infected with trypanosomiasis. Infection rates were higher in the dry than in the wet season ranging from 20.4 percent in November to 2.8 percent in May. Overall PCV levels were highe...


Reynolds, L.Opasina, B.A.[Trypanosomes and other blood parasites in slaughter cattle at Ibadan, Nigeria in 1984-1985]Trypanosomes and other blood parasites in slaughter cattle at Ibadan, Nigeria in 1984-1985

Infection with African trypanosomes causes the diseases sleeping sickness in humans and nagana in cattle in sub-Saharan Africa. Suppression of cellular immune responses is a feature of trypanosomiasis in bovine, human, and murine hosts. Some aspects of immunosuppression in the murine model are me...


Taylor, K.Lutje, V.Mertens, B.[Nitric Oxide synthesis is depressed in Bos indicus cattle infected with Trypanosoma congolense and Trypanosoma vivax and does not mediate T-cell suppression]Nitric Oxide synthesis is depressed in Bos indicus cattle infected with Trypanosoma congolense and Trypanosoma vivax and does not mediate T-cell suppression
Autor: Taylor, K.A.

Trypanosomosis in domestic livestock negatively impacts food production and economic growth in many parts of the world, particularly in sub-Saharan Africa. Current methods of control are inadequate to prevent the enormous annual socio-economic losses resulting from this disease. Hope for a vaccin...


Taylor, K.A.[Immune responses of cattle to African trypanosomes: Protective or pathogenic?]Immune responses of cattle to African trypanosomes: Protective or pathogenic?

In order to compare the prophylactic effect provided by a poly(D,L-lactide) sustained-release device (SRD) containing isometamidium (ISMM; Trypamidium) with that provided by the classical im injection of the drug, a field trial was carried out at the Madina Diassa Ranch in Mali, beginning in Nove...


Diarra, B.Diall, O.Geerts, S.Kageruka, P.Lemmouchi, Y.Schacht, E.Eisler, M.C.Holmes, P.[Field evaluation of the prophylactic effect of an isometamidium sustained-release device against trypanosomiasis in cattle]Field evaluation of the prophylactic effect of an isometamidium sustained-release device against trypanosomiasis in cattle
Dwinger, R.H.Grieve, S.Snow, W.F.Rawlings, P.Jabang, B.Williams, D.J.L.[Maternal antibodies in N'Dama calves kept under natural trypanosomiasis risk in the Gambia]Maternal antibodies in N'Dama calves kept under natural trypanosomiasis risk in the Gambia

Approximately 320 East African Zebu cows over 36 months of age were monitored monthly from 1986 to 1992 in nine village herds in an area of high trypanosomiasis risk in southwest Ethiopia where there was resistance to all available trypanocidal drugs. Cows were individually treated with diminazen...


Rowlands, G.J.Mulatu, W.Authié, E.D'Ieteren, G.D.M.Leak, S.G.A.Nagda, S.M.[Effects of trypanosomiasis on reproduction of East African Zebu cows exposed to drug-resistant trypanosomes]Effects of trypanosomiasis on reproduction of East African Zebu cows exposed to drug-resistant trypanosomes

The new pour-on insecticides that can be used to control tsetse-transmitted trypanosomiasis confer benefits to the owners of the cattle given treatments and other people keeping cattle in areas affected by the control. A study was conducted in southwest Ethiopia to assess farmers' perceptions of ...


Swallow, B.M.Woudyalew MulatuLeak, S.G.A.[Potential demand for a mixed public-private animal health input: evaluation of a pour-on insecticide for controlling tsetse-transmitted trypanosomiasis in Ethiopia]Potential demand for a mixed public-private animal health input: evaluation of a pour-on insecticide for controlling tsetse-transmitted trypanosomiasis in Ethiopia

The indirect enzyme-linked immunosorbent assay (ELISA) for the detection of anti-trypanosomal antibodies in bovine serum was adapted for use with dried blood spots on filter paper. Aborbance (450 nm) results for samples were expressed as percent positivity, i.e., percentage of the median absorban...


Hopkins, J.S.Chitambo, H.Machila, N.Luckins, A.G.Rae, P.F.Bossche, P. van denEisler, M.C.[Adaptation and validation of antibody-ELISA using dried blood spots on filter paper for epidemiological surveys of tsetse-transmitted trypanosomosis in cattle]Adaptation and validation of antibody-ELISA using dried blood spots on filter paper for epidemiological surveys of tsetse-transmitted trypanosomosis in cattle

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