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Twelve non-milking, non-cycling F1 crossbred dairy cows (Friesian x Boran and Simmental x Boran) in low body weight and body condition were stratified to 2 diets according to parity, body weight, body condition score and calving intervals to estimate time necessary to resume reproductive activity...


Zerbini, E.Gebre-Wold, A.Gemeda, T.Demissie, D.[Effect of supplementation of depleted, non-milking, non-cycling F1 crossbred cows on time of repletion and resumption of reproductive activity]Effect of supplementation of depleted, non-milking, non-cycling F1 crossbred cows on time of repletion and resumption of reproductive activity

Forty F1 crossbred dairy cows (20 Friesian X Boran and 20 Simmental X Boran) in a 2x2 factorial arrangement (not working-not supplemented, NWNS, not working-supplemented, NWS, working-not supplemented, WNS and working-supplemented, WS) were used to study the effect of work and diet supplementatio...


Zerbini, E.Gemeda, T.Gebre-Wold, A.Nokoe, S.Demissie, D.[Effect of draught work on performance and metabolism of crossbred cows. 2. Effect of work on roughage intake, digestion, digesta kinetics and plasma metabolites]Effect of draught work on performance and metabolism of crossbred cows. 2. Effect of work on roughage intake, digestion, digesta kinetics and plasma metabolites

Genetic improvement for productive traits in livestock, particularly in cattle, has been very slow and insignificant in the country. One of the main reasons for this is lack of well-organized and usable recorded information on the performance of both the indigenous and crossbreds with exotic geno...


Tegegne, AzageRedda, T.Gebre-Wold, A.Ketema, H.[Milk recording and herd registration in Ethiopia: An essential step towards genetic improvement for milk production]Milk recording and herd registration in Ethiopia: An essential step towards genetic improvement for milk production

This discussion which is based on output/input ratios includes many factors which are likely to be extremely important in relation to the overall utilization of feed by multipurpose cattle. It compares different output/input ratios (biological efficiencies) for draught work, beef production, milk...


Zerbini, E.Gebre-Wold, A.[Output/input ratios in single and multipurpose cattle]Output/input ratios in single and multipurpose cattle

The human population in Ethiopia, currently estimated at 60 million is growing by about 3.5 percent per annum. This figure will increase to about 139 million by the year 2020, making Ethiopia the thrid most populous country in Africa. The number of children under the age of 15 is projected to inc...


Tegegne, AzageGebre-Wold, A.[Prospects for peri-urban dairy development in Ethiopia]Prospects for peri-urban dairy development in Ethiopia

Research on the effective utilization of animal power in small scale agriculture in Ethiopia, to sustain and enhance economic Development of the country, is essential. Draught animal power is the best alternative power source of the intermediate technology level because low wages and small farm s...


Zerbini, E.Gebre-Wold, A.[Prospects for animal traction research and development in Ethiopia]Prospects for animal traction research and development in Ethiopia

Examines past and current situations of dairying in Ethiopia; assesses the major socioeconomic, infrastructural and technical constraints against the improvement of dairying in the country, with particular reference to feed availability and quality, use of native pasture, feed legumes, fodder tre...


Tedla, A.Gebre-Meskel, T.Gebre-Wold, A.Yemane, B.Chigaru, P.[Status of dairying in Ethiopia and strategies for future development]Status of dairying in Ethiopia and strategies for future development

Attempts to present an overview of the importance of the Ethiopian livestock industry subsector to the national economy by assessing livestock population, distribution and production systems, the role and contribution of livestock, the current livestock and related Development projects undertaken...


Mekonnen, G.Forssido, T.Gebre-Wold, A.Dagnachew, Z.Anteneh, A.[The Ethiopian livestock industry: Retrospects and prospects]The Ethiopian livestock industry: Retrospects and prospects

Measurements on testis and linear body size, scrotal circumference (SC), testis diameter (TD) hearth girth (HG), height at wither (HTW) and body length (BDL) at the age of 1, 3, 6, 9, 12, 15, 18 and 21 months was taken. Thirteen Borana Friesian (BoXF) crossbred bull calves born at Holetta Agricul...


Gojam, Y.Tegegne, AzageGebre-Wold, A.Alemayehu, M.Yilma, Z.[Testicular growth and its relationship with linear body measurements in Borana-Friesian crossbred bull calves at different ages]Testicular growth and its relationship with linear body measurements in Borana-Friesian crossbred bull calves at different ages

To test the feasibility of the use of dairy cows for draft the International Livestock Research Institute (ILRI) and the Institute of Agricultural Research (IAR) in Ethiopia have studied a herd of F1 Friesien x Boran crossbred cows on-station over three years together with on-farm experiments an...


Zerbini, E.Gebre-Wold, A.Shapiro, Barry I.[The potential of cow traction in the East African highlands]The potential of cow traction in the East African highlands

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