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The study was conducted to evaluate the reproduction efficiency of zebu and crossbred cows measured by the inter-estrus and inter-service intervals using data from Bako Agricultural Research Center. The overall mean inter-estrus and inter-service intervals were 44.3 t 0.85 and 49.1 t 1.24 days, r...


Gebreyohannes, G.Tegegne, AzageDiedhiou, M.L.Hegde, B.P.[Reproduction efficiency of Zebu and crossbred cows as measured by the inter-estrus and inter-service intervals at Bako]Reproduction efficiency of Zebu and crossbred cows as measured by the inter-estrus and inter-service intervals at Bako

Boran is an endangered breed of cattle indigenous to Ethiopia and the relatively poor understanding of its reproductive physiology has impeded efforts to maximize reproductive performance of the breed. This study characterized ovarian follicular dynamics in 9 purebred Boran and 8 Boran×Holstein (...


Degefa, T.Lemma, AlemayehuJemal, J.Mamo, G.Tegegne, AzageYoungs, C.[Ovarian follicular dynamics in purebred and crossbred Boran cows in Ethiopia]Ovarian follicular dynamics in purebred and crossbred Boran cows in Ethiopia

Traditionally, most smallholder farmers in Goma and elsewhere in Ethiopia engage in sheep and goat fattening to generate sufficient income to meet household requirements and other social obligations. A rapid assessment with IPMS project partners in Goma found that traditional sheep fattening is c...


Baredo, Y.Tefera, T.L.Tegegne, AzageHoekstra, Dirk[Sheep fattening value chain development in Goma Pilot Learning Woreda (PLW): IPMS experiences]Sheep fattening value chain development in Goma Pilot Learning Woreda (PLW): IPMS experiences

Insufficient feed supply is a major limiting factor for milk production in the tropics. The aim of this study was to assess the effects of feeding level on live-weight and performance of Zebu (Boran) and crossbred (Boran × Holstein, 50–75% Holstein) lactating cows. Twenty-four heifers of each bre...


Jenet, A.Tegegne, AzageOsuji, P.O.Yimegnuhal, A.Kreuzer, M.McCrabb, G.J.Fernández Rivera, S.[Lifetime under-nutrition and lactation performance of Zebu and Zebu x Holstein cows in the tropics]Lifetime under-nutrition and lactation performance of Zebu and Zebu x Holstein cows in the tropics

This study was conducted at Ginchi watershed in Oromia Regional State, Ethiopia to evaluate the physical, chemical and microbiological quality of livestock drinking waters during dry, short rain and wet seasons. Purposive sampling technique was used to obtain samples. Data were collected and anal...


Duguma, B.Tegegne, AzageHegde, B.P.[Assessment of the effect of season and location on microbiological and physicochemical quality of livestock drinking water in Ginchi watershed, Ethiopia]Assessment of the effect of season and location on microbiological and physicochemical quality of livestock drinking water in Ginchi watershed, Ethiopia

Twenty-seven Boran and 37 Boran x Friesian bulls, weaned at six months of age, were allocated to either receive supplementary diet (16 percent crude protein and 10.8 MJ/kg DM energy) during the dry season or to serve as unsupplemented controls until 21 months of age. Body weight measurements were...


Tegegne, AzageMukasa-Mugerwa, E.[Body growth and blood metabolite concentrations in Boran and Boran x Friesian bulls grazed on natural pastures: Effect of dry season dietary supplementation]Body growth and blood metabolite concentrations in Boran and Boran x Friesian bulls grazed on natural pastures: Effect of dry season dietary supplementation

Jenet, A.Yimegnuhal, A.Fernández Rivera, S.Tegegne, AzageOsuji, P.O.McCrabb, G.J.Wettstein, H.R.Kreuzer, M.[Genotype differences in the long-term response to different levels of energy supply of dairy cows kept under tropical conditions]Genotype differences in the long-term response to different levels of energy supply of dairy cows kept under tropical conditions

Woldewahid, G.Gebremedhin, BerhanuHoekstra, DirkTegegne, Azage[Moving towards resilient farming in northern Ethiopia]Moving towards resilient farming in northern Ethiopia

The study was conducted in Burie District to assess the sheep production system and to identify and prioritize the sheep production constraints. Informal and formal surveys were conducted in four selected kebeles of Burie District, namely, Woheni Durebetie, Woyenema Ambaye, Denbun and Boko Tabo. ...


Abebe, YeneneshMelaku, S.Tegegne, AzageTegegne, F.[Assessment of sheep production system in Burie District, north western Ethiopia]Assessment of sheep production system in Burie District, north western Ethiopia

Breed additive and non-additive effects as well as genetic parameters for calving interval (CI), days open (DO), age at first service (AFS), age at first calving (AFC), number of services per first conception (NSC) and breeding efficiency (BE) were estimated in Ethiopian Boran cattle and their cr...


Haile, AynalemJoshi, B.K.Ayalew, W.Tegegne, AzageSingh, A.[Genetic evaluation of Ethiopian Boran cattle and their crosses with Holstein Friesian in central Ethiopia: reproductive traits]Genetic evaluation of Ethiopian Boran cattle and their crosses with Holstein Friesian in central Ethiopia: reproductive traits

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