The objective of this review paper is to examine whether or not sheep crossbreeding is a feasible option to improve indigenous sheep breeds in developing countries using Ethiopian case as example. The paper reviewed and discussed the history of exotic breed introduction, research, and development...
Getachew, T.
,
Haile, Aynalem
,
Wurzinger, Maria
,
Rischkowsky, Barbara A.
,
Gizaw, Solomon
,
Abebe, A.
,
Sölkner, J.
,
[Review of sheep crossbreeding based on exotic sires and among indigenous breeds in the tropics: An Ethiopian perspective]
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Review of sheep crossbreeding based on exotic sires and among indigenous breeds in the tropics: An Ethiopian perspective
Notenbaert, An Maria Omer
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Baltenweck, Isabelle
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Dalsgaard, Jens Peter T.
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Hoek, Rein van der
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Rischkowsky, Barbara A.
,
Ouma, Emily A.
,
Twine, Edgar E.
,
Burkart, Stefan
,
Lapar, Ma. Lucila
,
Kassie, Girma T.
,
Omore, Amos O.
,
Randolph, Thomas F.
,
[Livestock and fish value chain transformation: an interdisciplinary process]
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Livestock and fish value chain transformation: an interdisciplinary process
Conventional productivity evaluation criteria are inadequate to evaluate subsistence livestock production, because: (1) they fail to capture non-marketable benefits of the livestock; and (2) the core concept of a single limiting input is inappropriate to subsistence production, as multiple limiti...
Ayalew, W.
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King, J.M.
,
Bruns, E.
,
Rischkowsky, Barbara A.
,
[Economic evaluation of smallholder subsistence livestock production: Lessons from an Ethiopian goat development program]
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Economic evaluation of smallholder subsistence livestock production: Lessons from an Ethiopian goat development program
Crossbreeding of goats in traditional subsistence flocks had been promoted in selected villages of eastern Ethiopian highlands as a means to quick genetic progress based on the thesis that crossbreeding can increase the net contribution of goats. Observations on flock dynamics patterns of smallho...
Ayalew, W.
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King, J.M.
,
Bruns, E.W.
,
Rischkowsky, Barbara A.
,
[Practicalities of sustaining a goat-crossbreeding programme in eastern Ethiopia]
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Practicalities of sustaining a goat-crossbreeding programme in eastern Ethiopia
There are distinct breeds suitable for diverse purposes in the different production environments or ecological zones. Farmers in different production systems have different trait preferences and the strategies followed by them are also as diverse as the agro-environments within which they operate...
Duguma, G.
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Mirkena, T.
,
Haile, Aynalem
,
Iñiguez, L.
,
Okeyo Mwai, Ally
,
Tibbo, Markos
,
Rischkowsky, Barbara A.
,
Sölkner, J.
,
Wurzinger, Maria
,
[Participatory approaches to investigate breeding objectives of livestock keepers]
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Participatory approaches to investigate breeding objectives of livestock keepers
Haile, Aynalem
,
Duguma, G.
,
Mirkena, T.
,
Tibbo, Markos
,
Iñiguez, L.
,
Rischkowsky, Barbara A.
,
Okeyo Mwai, Ally
,
Wurzinger, Maria
,
Sölkner, J.
,
[Designing and implementation of community-based breeding programs for adapted local sheep breeds in Ethiopia]
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Designing and implementation of community-based breeding programs for adapted local sheep breeds in Ethiopia
Rouatbi, M.
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Gharbi, M.
,
Mhadhbi, M.
,
Limam, S.
,
Haile, Aynalem
,
Mwacharo, Joram M.
,
Rischkowsky, Barbara A.
,
Rekik, Mourad
,
[Phenotyping indigenous Tunisian sheep breeds for gastro-intestinal parasite resistance with a special reference to Haemonchus contortus]
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Phenotyping indigenous Tunisian sheep breeds for gastro-intestinal parasite resistance with a special reference to Haemonchus contortus
Roesel, Kristina
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Grace, Delia
,
Wieland, Barbara
,
Rischkowsky, Barbara A.
,
[Better hygienic practices to improve small ruminant meat quality]
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Better hygienic practices to improve small ruminant meat quality
System dynamics modelling approach has been widely used in the agriculture sector to describe livestock production systems, livestock health and natural resource management. However, its application in modelling livestock breeding programs and systems is limited. Therefore, this study explores th...
Tadel, K.
,
Wurzinger, Maria
,
Gizaw, Solomon
,
Haile, Aynalem
,
Rischkowsky, Barbara A.
,
Sölkner, J.
,
[The use of system dynamics modelling methodologies in sheep breeding programs and management systems]
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The use of system dynamics modelling methodologies in sheep breeding programs and management systems
Kidanu, E.
,
Regassa, M.
,
Rischkowsky, Barbara A.
,
Legese, G.
,
[Analysis of sheep value chains in Atsbi Woreda, Tigray Region, Ethiopia]
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Analysis of sheep value chains in Atsbi Woreda, Tigray Region, Ethiopia