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Twenty intact and five fistulated crossbred steers were used in two experiments to examine the effect of supplementing maize stover with Gliricidia sepium or Leucaena leucocephala forage on intake, rumen fermentation, microbial protein supply and live weight changes. The basal diet plus 1 kg maiz...


Abdulrazak, S.A.Muinga, R.W.Thorpe, W.R.Orskov, E.R.[Supplementation with Gliricidia sepium and Leucaena leucocephala on voluntary food intake, digestibility, rumen fermentation and live weight of crossbred steers offered Zea mays stover]Supplementation with Gliricidia sepium and Leucaena leucocephala on voluntary food intake, digestibility, rumen fermentation and live weight of crossbred steers offered Zea mays stover

Two experiments were carried out to identify the target population of cattle for immunisation against East Coast fever (ECF) using the infection-and-treatment method. Firstly, a sentinel-calf study was used to determine the age window for ECF immunisation by determining ages at clinical detection...


Maloo, S.H.Ngumi, P.Mbogo, S.Williamson, S.Thorpe, W.R.Rowlands, G.J.Perry, Brian D.[Identification of a target population for immunisation against East Coast fever in coastal Kenya]Identification of a target population for immunisation against East Coast fever in coastal Kenya

Evaluates the effects of trypanosome infection and other factors on parturition interval (1984-1986) at Network sites of Avetonou, Boundiali & Mushie. Presents data on litter size, lambing interval and calving interval.


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

The biological productivity of cow-calf units in low-input production systems in tropical Africa is reviewed. Four production systems (pastoralists agropastoralists, crop-livestock farmers and smallholder farmers) are identified. Fifty-five data sets from monitoring and systems research conducted...


Leeuw, P.N. deThorpe, W.R.[Low input cattle production systems in tropical Africa: An analysis of actual and potential cow-calf productivity]Low input cattle production systems in tropical Africa: An analysis of actual and potential cow-calf productivity
Thorpe, W.R.Omore, Amos O.[Planning, designing and recording health data in small herds of cattle or goats: Experiences of ILRI and collaborators]Planning, designing and recording health data in small herds of cattle or goats: Experiences of ILRI and collaborators
Kakiese, O.Feron, A.D'Ieteren, G.D.M.Durkin, J.W.Itty, P.Maehl, J.H.H.Mulungo, M.Nagda, S.M.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 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

The farming systems and particularly the livestock sub-systems of the coastal subhumid zone of Kenya are described by ILCA in collaboration with Kenya agricultural Research Institute (KARI) & Minstry of Livestock Development. Reports for sample area in Kilifi District indicates that while less th...


Thorpe, W.R.Nyambaka, R.Chabari, F.Maki, M. OleRugema, E.[Small ruminants in the farming systems of coastal Kenya]Small ruminants in the farming systems of coastal Kenya

Reviews the regionalisation of sheep and cattle population in Africa, their association to the various production systems, and output expectation, current levels of performance and constraints. Discusses needs & objectives of performance testing in the region, evaluating advantages & disadvantage...


Peters, Kurt J.Thorpe, W.R.[Current status and trends in on-farm performance testing of cattle and sheep in Africa]Current status and trends in on-farm performance testing of cattle and sheep in Africa

An individual animal model was fitted to data from a crossbred herd in the lowland coastal tropics of Kenya to estimated breed cross means for a total of 25 genotypes having different proportions of Ayrshire (A), Brown Swiss (B), Friesian (F) and Sahiwal (S) genes. These means were then regressed...


Kahi, A.K.Thorpe, W.R.[Estimates of crossbreeding parameters for defining optimal crossbreeding systems for the coastal lowland tropics]Estimates of crossbreeding parameters for defining optimal crossbreeding systems for the coastal lowland tropics

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