Studies the health and performance of two strains trypanotolerant N'Dama cattle, susceptible Nguni cattle and their crosses over a three-year period, 1983-1985, at OGAPROV ranch in Gabon; presents the influences of breed and animal age on the prevolence, species and intensity of trypanosome paras...
Ordner, G.
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Colardelle, C.
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D'Ieteren, G.D.M.
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Dumont, P.
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Itty, P.
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Jeannin, P.
,
Leak, S.G.A.
,
Maehl, J.H.H.
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Nagda, S.M.
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Paling, R.W.
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Rarieya, J.M.
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Thorpe, W.R.
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Trail, J.C.M.
,
Yangari, G.
,
[Health and productivity of trypanotolerant and susceptible cattle exposed to trypanosomiasis in Gabon and the impact of strategic chemoprophylaxis]
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Health and productivity of trypanotolerant and susceptible cattle exposed to trypanosomiasis in Gabon and the impact of strategic chemoprophylaxis
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]
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Relationships between trypanosome infection measured by antigen detection enzyme immunoassays, anaemia and growth in trypanotolerant N'Dama cattle
Evaluates possible contributions of the antigen-detection enzyme immunoassays (ELISA) for the diagnosis of Trypanosoma vivase, T.congolense, and T.Bucei infections in N'Dama cattle in Gabon, Central Africa. The assays are based on monoclonal antibodies which recoginse trypanosome antigens specifi...
Trail, J.C.M.
,
D'Ieteren, G.D.M.
,
Maille, J.C.
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Yangari, G.
,
Nantulya, V.M.
,
[Use of antigen-detection immunoassays in assessment of trypanotolerance in N'Dama cattle]
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Use of antigen-detection immunoassays in assessment of trypanotolerance in N'Dama cattle
A study conducted to find out the ability of N'Dama cattle to control parasitaemia and anaemia at a ranch in Gabon. Examines the effect of parasitaemia on daily liveweight change.
Maille, J.C.
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Authié, E.
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D'Ieteren, G.D.M.
,
Leak, S.G.A.
,
Maehl, J.H.H.
,
Nagda, S.M.
,
Rarieya, J.M.
,
Rowlands, G.J.
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Sauveroche, B.
,
Thorpe, W.R.
,
Trail, J.C.M.
,
Yangari, G.
,
[Aspects of trypanotolerance and associations with growth rate in post-weaner N'Dama cattle under high trypanosomiasis risk]
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Aspects of trypanotolerance and associations with growth rate in post-weaner N'Dama cattle under high trypanosomiasis risk
A study undertaken to evaluate the degree of genetic determination in the control of development of anaemia in N'Dama post-weaner cattle exposed to a medium natural trypanosome challenge during a short term test for trypanotolerance. The heritabilities of average pcv, lowest pcv reached, and grow...
Trail, J.C.M.
,
D'Ieteren, G.D.M.
,
Maille, J.C.
,
Yangari, G.
,
[Genetic aspects of control of anaemia development in trypanotolerant N'Dama cattle]
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Genetic aspects of control of anaemia development in trypanotolerant N'Dama cattle
Evaluates components of a short term test for trypanotolerance criteria in N'Dama post-weaners exposed to a medium natural trypanosome challenge in Gabon; compares the effectiveness of different measures of control of development of anaemia; and measures the post-test recovery of packed red cell ...
Trail, J.C.M.
,
D'Ieteren, G.D.M.
,
Colardelle, C.
,
Maille, J.C.
,
Ordner, G.
,
Sauveroche, B.
,
Yangari, G.
,
[Evaluation of a field test for trypanotolerance in young N'Dama cattle]
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Evaluation of a field test for trypanotolerance in young N'Dama cattle
Presents two different methods of treatment of trypanosomiasis, prophylaxis and therapeutic treatments, for N'Dama cattle, Nguni cattle and their crosses in Gabon; monitors the recording of packed cell volume percent (PCV), trypanosome detection and bodyweight estimation; and studies animal healt...
Paling, R.W.
,
Leak, S.G.A.
,
Maehl, H.M.
,
Jeannin, P.
,
Yangari, G.
,
[The trypanotolerance network. 2. A study on health and productivity of N'Dama, Nguni and their crosses under quantified levels of tsetse challenge in Gabon. 2.2. - The influence of trypanosomiasis on the health status and performance]
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The trypanotolerance network. 2. A study on health and productivity of N'Dama, Nguni and their crosses under quantified levels of tsetse challenge in Gabon. 2.2. - The influence of trypanosomiasis on the health status and performance
Reports the influence of breed and animal age on the prevalence, species and intensity of trypanosome infection and the effects of the infections on the blood packed cell volume (PCV) of N'Dama, Nguni and crossbred cattle. Presents the effects of trypanosome infection, PCV level and lactational s...
Ordner, G.
,
D'Ieteren, G.D.M.
,
Dumont, P.
,
Itty, P.
,
Jeannin, P.
,
Maehl, H.M.
,
Nagda, S.M.
,
Paling, R.W.
,
Rarieya, J.M.
,
Thorpe, W.R.
,
Trail, J.C.M.
,
Yangari, G.
,
[Comparative performance of trypanotolerant and more susceptible cattle breeds exposed to trypanosomiasis in Gabon]
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Comparative performance of trypanotolerant and more susceptible cattle breeds exposed to trypanosomiasis in Gabon
The significance of Glossina fusca group tsetse flies as vectors of cattle trypanosomiasis was examined using biconical traps to survey tsetse populations at one site in Gabon and two sites in Zaire. Mean trypanosome infection rates in G. tabaniformis Westwood over the study period ranged from 8....
Leak, S.G.A.
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Colardelle, C.
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D'Ieteren, G.D.M.
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Dumont, P.
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Feron, A.
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Jeannin, P.
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Minengu, M.
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Mulungo, M.
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Ngamuna, S.
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Ordner, G.
,
Sauveroche, B.
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Trail, J.C.M.
,
Yangari, G.
,
[Glossina fusca group tsetse as vectors of cattle trypanosomiasis in Gabon and Zaire]
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Glossina fusca group tsetse as vectors of cattle trypanosomiasis in Gabon and Zaire
Evaluates teh criteria for trypanotolerance including three related characterstics, v.z. the ability to control parasitaemia, the ability to control anaemia, and the ability to develop an effective immune response.
Trail, J.C.M.
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Colardelle, C.
,
D'Ieteren, G.D.M.
,
Dumont, P.
,
Itty, P.
,
Jeannin, P.
,
Maehl, J.H.H.
,
Nagda, S.M.
,
Ordner, G.
,
Paling, R.W.
,
Rarieya, J.M.
,
Thorpe, W.R.
,
Yangari, G.
,
[Evaluation of criteria of trypanotolerance]
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Evaluation of criteria of trypanotolerance