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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

Presents results of a study undertaken firstly to measure the relative effects in N'Dama cattle of length of time detected parasitaemic; intensity of parasitaemia; and control of development of anaemia; on reproductive performance (calving interval), maternal ability (calf weaning weight) and cow...


Trail, J.C.M.D'Ieteren, G.D.M.Feron, A.Kakiese, O.Mulungo, M.Pelo, M.[Effect of trypanosome infection, control of parasitaemia and control of anaemia development on productivity of N'Dama cattle]Effect of trypanosome infection, control of parasitaemia and control of anaemia development on productivity of N'Dama cattle

Reports results of a study on the relationships between tsetse challenge and trypanosome prevalence in trypanotolerant and susceptible breeds of cattle. Presents data on tsetse challenge and trypanosome prevalence in N'Dama and Zebu cattle in Zaire, Gabon, Ethiopia and Cote d'Ivoire.


Leak, S.G.A.Colardelle, C.Coulibaly, L.Dumont, P.Feron, A.Hecker, P.D'Ieteren, G.D.M.Jeannin, P.Minengu, M.Minja, S.Mulatu, W.Nankodaba, G.Ordner, G.Rowlands, G.J.Sauveroche, B.Tikubet, G.Trail, J.C.M.[Relationships between tsetse challenge and trypanosome prevalence in trypanotolerant and susceptible cattle]Relationships between tsetse challenge and trypanosome prevalence in trypanotolerant and susceptible cattle

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

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

Discusses the genetic aspects of criteria of trypanotolerance including parasitaemia, anaemia control and immune response. Includes data on heritability estimates for daily liveweight change, for PCV under low & high trypanosome prevalence, and for number of treatments required in four periods af...


Trail, J.C.M.D'Ieteren, G.D.M.Feron, A.Itty, P.Kakiese, O.Maehl, J.H.H.Mulungo, M.Nagda, S.M.Paling, R.W.Pelo, M.Rarieya, J.M.Thorpe, W.R.[Genetic aspects of criteria of trypanotolerance]Genetic aspects of criteria of trypanotolerance

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