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Kaitho, R.J.Tegegne, AzageUmunna, N.N.Nsahlai, I.V.Tamminga, S.[Long term effect of browse supplementation on growth and reproduction in sheep and goat]Long term effect of browse supplementation on growth and reproduction in sheep and goat
Zerbini, E.Gemeda, T.Gebre-Wold, A.Tegegne, Azage[Effect of draught work on the metabolism and reproduction of dairy cows]Effect of draught work on the metabolism and reproduction of dairy cows

In this study, feed intake and sperm morphology were evaluated in Ogaden bucks supplemented with either agro-industrial by-products or khat leftover. Thirty-five bucks at about 1 year of age, and 15 +/- 1.5 kg initial body weight, were involved in a 12-week feeding programme that had four diet gr...


Mekasha, YosephTegegne, AzageRodríguez Martinez, H.[Feed intake and sperm morphology in Ogaden bucks supplemented with either agro-industrial by-products or khat (Catha edulis) leftover]Feed intake and sperm morphology in Ogaden bucks supplemented with either agro-industrial by-products or khat (Catha edulis) leftover

Forty-eight heifers of two genotypes, Boran (Bos indicus) and Holstein×Boran, were allocated to three feeding levels equivalent to 1.0, 1.2 and 1.4 times calculated metabolisable energy requirements for maintenance (MEm). The experiment started at the onset of reproductive activity, when the Bora...


Jenet, A.Fernández Rivera, S.Tegegne, AzageYimegnuhal, A.Osuji, P.O.Kreuzer, M.[Growth and feed conversion of Boran (Bos indicus) and Holstein X Boran heifers during three physiological states receiving different levels of a tropical diet]Growth and feed conversion of Boran (Bos indicus) and Holstein X Boran heifers during three physiological states receiving different levels of a tropical diet

Analyses data by analysis of variance to determine seasonal effects on reproductive capacity using the General Linear Models (GLM) procedures of the SAS Programme (SAS, 1987). Body weight was used as a covariate. Polynomial regression analysis was done to determine relationships between body and ...


Tegegne, AzageEntwistle, K.W.Mukasa-Mugerwa, E.[Seasonal influences on gonadal and extragonadal sperm reserves in Small East African Zebu (Bos indicus) bulls in Ethiopia]Seasonal influences on gonadal and extragonadal sperm reserves in Small East African Zebu (Bos indicus) bulls in Ethiopia

There are many agroecological zones in sub-Saharan Africa but the pattern of animal production and the major problems associated with it do not generally vary. It is, therefore, appropriate to make a general assessment of the status, limitations and potential of animal production in sub-Saharan A...


Tegegne, AzageLahlou-Kassi, A.Mukasa-Mugerwa, E.[Biotechnology in animal production]Biotechnology in animal production

The reproductive performance of Boran, Horro and Barka cattle and their F1 crosses with Friesian, Jersey and Simmental breeds at 4 research stations was investigated. The environmental conditions covered in the study represented wet and dry conditions. Detailed information provided on the number ...


Tegegne, AzageGalal, E.S.E.Kebede, B.[A study on the reproduction of local zebu and F1 crossbred (European x zebu) cows. I. Number of services per conception, gestation length and days open till conception]A study on the reproduction of local zebu and F1 crossbred (European x zebu) cows. I. Number of services per conception, gestation length and days open till conception

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