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Discusses factors influencing liveweight in a range of trypanotolerance network situations. Analyses liveweight traits, viz, dam liveweights at parturition and weaning, dam liveweight change between parturition and weaning, progeny liveweights at birth and weaning and progeny pre-weaning daily gain.


Maehl, J.H.H.Coulibaly, L.Defly, A.D'Ieteren, G.D.M.Feron, A.Grundler, G.Hecker, P.Itty, P.Mawuena, K.Morkramer, G.Mulungo, M.Nagda, S.M.Paling, R.W.Pelo, M.Rarieya, J.M.Schuetterle, A.Sheria, M.Thorpe, W.R.Trail, J.C.M.[Factors influencing liveweight in a range of network situations]Factors influencing liveweight in a range of network situations

Discusses the productivity of N;Dama cattle at Kolo and Mushie ranches (Zaire). Includes data on productivity under zero (Kolo) and high (Mushie) trypanosomiasis risk (1984-86). Compares the productivity of Boran and N'Dama cattle under ranch management at five sites in Africa.


Feron, A.D'Ieteren, G.D.M.Durkin, J.W.Kakiese, O.Maehl, J.H.H.Mulungo, M.Nagda, S.M.Paling, R.W.Pelo, M.Rarieya, J.M.Sheria, M.Thorpe, W.R.Trail, J.C.M.[Productivity of ranch N'Dama cattle under trypanosomiasis risk]Productivity of ranch N'Dama cattle under trypanosomiasis risk

The genetic components of trypanotolerance measurements must be determined in well controlled on going production systems where the necessary identification and/or quantification of environment and genetic effects are possible. A resource population has been established in the Mushie District Ban...


Wissocq, N.M.Monsengo, B.D'Ieteren, G.D.M.Mommens, G.[A N'Dama cattle resource population for research on trypanotolerance]A N'Dama cattle resource population for research on trypanotolerance

Emphasises the importance of trypanotolerance by indicating that trypanotolerant breeds were at least as productive as other indigenous African breeds in areas of zero to low tsetse challenge and that in areas where tsetse challenge was substantial, only trypanotolerant breeds could survive. It w...


Trail, J.C.M.D'Ieteren, G.D.M.[Characterisation of trypanotolerant cattle: a case study]Characterisation of trypanotolerant cattle: a case study

Reports the prevalence species and intensity of trypanosome parasitaenia (1986-1987) for N'Dama cattle managed in village herds inforest and plateau areas of Idiofa, Zaire, Examines tsese challenge & its relationshipto trypanosome prevalence. Reports the duration of infection, pattern of parasita...


Ngamuna, S.D'Ieteren, G.D.M.Itty, P.Leak, S.G.A.Maehl, J.H.H.Minengu, M.Nagda, S.M.Paling, R.W.Rarieya, J.M.Thorpe, W.R.Trail, J.C.M.[Trypanosomiasis in N'Dama cattle under village management in Zaire]Trypanosomiasis in N'Dama cattle under village management in Zaire

Presents results of experiments to determine phenotypic & genotypic relationships of the abilities to control parasitaemia, resist anaemia or develop an immune response with animal performance in terms of daily weight gain, maintenance of packed cell volume levels and disease prevalence in trypan...


Trail, J.C.M.Feron, A.Pelo, M.Colardelle, C.Ordner, G.D'Ieteren, G.D.M.Durkin, J.W.Maehl, H.M.Thorpe, W.R.[Selection in trypanotolerant cattle breeds in Africa]Selection in trypanotolerant cattle breeds in Africa

Host ability to control the Development of trypanosomes is a major component of trypanotolerance. However, practical indicators of the parasite control capability have still to be identified as they rely on the availability of more precise diagnostic techniques that could be carried out at the fa...


Wissocq, N.M.D'Ieteren, G.D.M.Trail, J.C.M.Masake, R.Nantulya, V.M.Monsengo, B.[Trypanosome antigen test to characterise infection status in N'Dama cattle]Trypanosome antigen test to characterise infection status in N'Dama cattle

Earlier research had provided clear indications of an ability of N'Dama cattle to acquire, over time, some control of the Development of parasitaemia following a T. vivax infection but not apparently, following a T. congolense infection. The objective of this study is to further assess the import...


Wissocq, N.M.D'Ieteren, G.D.M.Trail, J.C.M.Monsengo, B.[Ability to acquire resistance to trypanosome infections and growth of N'Dama cattle]Ability to acquire resistance to trypanosome infections and growth of N'Dama cattle

A study was conducted to assess the correlation between criteria of trypanotolerance and production. N'dama post weaner cattle with different weights and from different age groups were studied for weight gain, packed cell volume (PCV) and for the presence of trypanosomes. The analysis approach wa...


D'Ieteren, G.D.M.Feron, A.Kakiese, O.Kemp, Stephen J.Maille, J.C.Teale, A.J.Trail, J.C.M.Yangari, G.[Aspects of trypanotolerance and their association with performance in N'Dama cattle]Aspects of trypanotolerance and their association with performance in N'Dama cattle

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.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]Evaluation of criteria of trypanotolerance

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