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Postpartum ovarian activity was investigated in dairy cows in urban/peri urban dairy production systems in and around Addis Ababa using milk progesterone profiles. Nineteen crossbred (Friesian x Zebu) dairy cows which calved between March and June 1998 were used for the study. Milk samples were c...


Mekasha, YosephTegegne, AzageYami, A.Umunna, N.N.[Characterisation of postpartum ovarian activities using milk progesterone profiles in dairy cows in urban/peri-urban dairy production systems]Characterisation of postpartum ovarian activities using milk progesterone profiles in dairy cows in urban/peri-urban dairy production systems

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

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

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
Jenet, A.Tegegne, AzageOsuji, P.O.Yimegnuhal, A.Kreuzer, M.McCrabb, G.J.Fernández Rivera, S.[Milk performance of lifetime underfed cows of different genotype (Zebu or Zebu x Friesian) in the tropics]Milk performance of lifetime underfed cows of different genotype (Zebu or Zebu x Friesian) in the tropics

Anteneh, B.Tegegne, AzageBeyene, F.Gebremedhin, Berhanu[Fluid milk and butter production and marketing systems in Fogera District, Amhara Region, Ethiopia]Fluid milk and butter production and marketing systems in Fogera District, Amhara Region, Ethiopia

Ethiopian needs to achieve accelerated agricultural development along a sustainable commercialization path to alleviate poverty and ensure overall national development. In this regard, sustainable commercial of smallholder dairying provides a viable and growing opportunity; with deliberate, appro...


Lemma, T.Tegegne, AzagePuskur, RanjithaHoekstra, Dirk[Moving Ethiopian smallholder dairy along a sustainable commercialization path: missing links in the innovation systems]Moving Ethiopian smallholder dairy along a sustainable commercialization path: missing links in the innovation systems

Mekonnen, FanosSehai, ErmiasTegegne, AzageTsegaye, D.[A web portal on Ethiopian agriculture: IPMS experience]A web portal on Ethiopian agriculture: IPMS experience

Lemma, T.Puskur, RanjithaTegegne, AzageHoekstra, Dirk[Exploring innovation capacity in the Ethiopia dairy systems]Exploring innovation capacity in the Ethiopia dairy systems

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