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Gojam, Y.Tegegne, AzageGebrewold, A.Bekele, T.[The influence of weaning age and different calf starter rations on testis diameter, scrotal circumference and body weight of Friesian crossbred bull calves at different ages]The influence of weaning age and different calf starter rations on testis diameter, scrotal circumference and body weight of Friesian crossbred bull calves at different ages
Ebro, A.Sisay, A.Tegegne, Azage[Fertility of Bos indicus and Bos indicusxBos taurus crossbred cows and heifers after estrus synchronization in mid-rift Valley of Ethiopia]Fertility of Bos indicus and Bos indicusxBos taurus crossbred cows and heifers after estrus synchronization in mid-rift Valley of Ethiopia
Mpairwe, D.R.Sabiiti, E.N.Umunna, N.N.Tegegne, AzageOsuji, P.O.[Body weight changes, body condition score and reproductive performance of crossbred cows fed maize-lablab stover or oats-vetch hay ad libitum and supplemented with graded levels of lablab hay and/or wheat bran]Body weight changes, body condition score and reproductive performance of crossbred cows fed maize-lablab stover or oats-vetch hay ad libitum and supplemented with graded levels of lablab hay and/or wheat bran
Wirtu, G.Tegegne, AzageKassa, T.[Determination of accuracy of oestrus detection in zebu and crossbred cattle using plasma progesterone concentrations]Determination of accuracy of oestrus detection in zebu and crossbred cattle using plasma progesterone concentrations
Gebrewold, A.Alemayhu, M.Tegegne, AzageZerbini, E.Larsen, C.[On-farm performance of crossbred cows used as dairy-draught in Holetta area]On-farm performance of crossbred cows used as dairy-draught in Holetta area

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

Milk yield, milk composition and body weight change of crossbred dairy cows (Holstein Friesian X Zebu) were studied in the urban and peri-urban dairy production systems in the Addis Ababa milk shed between December 1997 and November 1998. Ninety-seven cows, with parities above two and at the begi...


Mekasha, YosephTegegne, AzageYami, A.Umunna, N.N.[Milk production, milk composition and body weight change of crossbred dairy cows in urban and peri-urban dairy production systems in Ethiopia]Milk production, milk composition and body weight change of crossbred dairy cows in urban and peri-urban dairy production systems in Ethiopia

This paper presents the results of a comparative study conducted to characterize the oestrous phenonenon in Zebu and crossbred cattle and to determine oestrus detection using both androgenized cows and entire bulls. The study was conducted at ILRI Debre Zeit Research Station during the dry season...


Tegegne, AzageWitru, G.Mukasa-Mugerwa, E.Kassa, T.[Oestrus phenomenon and oestrus detection efficiency using androgenized cows and entire bulls in Boran and Boran x Friesian crossbred cows]Oestrus phenomenon and oestrus detection efficiency using androgenized cows and entire bulls in Boran and Boran x Friesian crossbred cows

Measurements on testis and linear body size, scrotal circumference (SC), testis diameter (TD) hearth girth (HG), height at wither (HTW) and body length (BDL) at the age of 1, 3, 6, 9, 12, 15, 18 and 21 months was taken. Thirteen Borana Friesian (BoXF) crossbred bull calves born at Holetta Agricul...


Gojam, Y.Tegegne, AzageGebre-Wold, A.Alemayehu, M.Yilma, Z.[Testicular growth and its relationship with linear body measurements in Borana-Friesian crossbred bull calves at different ages]Testicular growth and its relationship with linear body measurements in Borana-Friesian crossbred bull calves at different ages

Based on the promising results obtained from on-station, the dairy-draught study was further taken to on-farm for testing it under the Ethiopian smallholder farmers' management conditions. The study was undertaken in Holetta and Addis Alem areas between 1993 and 1997. Mean daily milk yield was si...


Alemayehu, M.Gebre-Wold, A.Tegegne, Azage[Use of crossbred cows for dairy-draught under smallholders farm conditions of Holetta area]Use of crossbred cows for dairy-draught under smallholders farm conditions of Holetta area

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