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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

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

From biological data collected between January 1986 and December 1989, and economic data collected during 1988, 10-year projections of herd structure, production, and economic and financial returns were calculated for 13 village cattle herds at two village sites in the Gambia. The analyses indica...


Itty, P.Swallow, B.M.Rowlands, G.J.Agyemang, K.Dwinger, R.H.[Economics of village production of N'Dama cattle in the Gambia]Economics of village production of N'Dama cattle in the Gambia

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
Autor: Itty, P.

Presents the results of an observation and analysis trial carried out to determine the responses of N'Dama cattle to strategic nutritional interventions over a ten-year period using a simulation model of the national cattle herd production.


Itty, P.[Modelling possible effects of strategic nutritional interventions on national N'Dama cattle production in The Gambia]Modelling possible effects of strategic nutritional interventions on national N'Dama cattle production in The Gambia

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

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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