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Menz sheep breed are well known for their adaptation in the cool highlands of Ethiopia and have wide range of coat colour. In the traditional breeding, black coat colour is not favored (by both producers and consumers in local markets) and communities select against it and therefore its frequency...


Getachew, T.Abebe, A.Gizaw, SolomonRischkowsky, Barbara A.Haile, Aynalem[Farmer preferred attributes in selective breeding do not necessarily result in genetic gain for growth traits: The case of coat color]Farmer preferred attributes in selective breeding do not necessarily result in genetic gain for growth traits: The case of coat color

The study was conducted in Kafta humera district of Ethiopia, (i) to investigate the milk yield of Begait goat under different management and (ii) to evaluate the effects of different non-genetic factors on lactation performance. Data were collected from 428 lactating does under two managements (...


Abraham, H.Gizaw, SolomonUrge, M.[Milk production performance of Begait Goat under semi intensive and extensive management in Western Tigray, North Ethiopia]Milk production performance of Begait Goat under semi intensive and extensive management in Western Tigray, North Ethiopia

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, MariaGizaw, SolomonHaile, AynalemRischkowsky, Barbara A.Sölkner, J.[The use of system dynamics modelling methodologies in sheep breeding programs and management systems]The use of system dynamics modelling methodologies in sheep breeding programs and management systems

About 60 Black Head Somali rams were used in 21-month experiment period (18 months for growth to maturity and 3 months for fattening) to investigate the effect of age at castration on growth to maturity, fattening capability after maturity and market value of fattened mature rams which had been c...


Yacob, Y.Fletcher, I.Kebede, G.Gizaw, Solomon[Effect of Castration on Growth, Fattening and Market value of Black-Head Somali Rams]Effect of Castration on Growth, Fattening and Market value of Black-Head Somali Rams

Mortality was studied in relation to birth weight (BWT) and postpartum age in 3083 Horro lambs born over 15 years at Bako Research Center, IAR. Pre-weaning mortality rose with declining BWT (log y = 2.20- 0.35X; r = 0.9981), but the influence after weaning was less pronounced and linear (y = 23.7...


Gojam, Y.Gizaw, SolomonThwaites, C.J.Awgichew, K.[Influence of birth weight and post partum age on lamb mortality in Ethiopian Horro sheep]Influence of birth weight and post partum age on lamb mortality in Ethiopian Horro sheep

Gebremedhin, BerhanuShiferaw, KalebGizaw, SolomonTegegne, AzageHoekstra, Dirk[A triple-hurdle model of small ruminant production and marketing in the highlands of Ethiopia: Implications for commercial transformation]A triple-hurdle model of small ruminant production and marketing in the highlands of Ethiopia: Implications for commercial transformation

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