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Five lactation curve models were compared for their fitness to milk data of indigenous and crossbred cows using data from Bako Agricultural Research Center and Debre Zeit Research Station. The fit of the models was compared using the model Rz value. The overall mean RZ value was 81.5 t 0.12% and ...


Gebreyohannes, G.Tegegne, AzageDiedhiou, M.L.Hegde, B.P.[Modeling lactation curve and comparison of models fitness to different lactation data of indigenous and crossbred cows]Modeling lactation curve and comparison of models fitness to different lactation data of indigenous and crossbred cows

A survey was conducted to characterize cattle production systems and preferred cattle functions in North and South Wollo Zones of the Amhara Regional State of northeastern Ethiopia. Rapid survey and semi-structured questionnaires were used to collect data on herd structures, indicative productive...


Tadesse, D.Ayalew, W.Hegde, B.P.[Survey of traditional cattle production systems and preferred cattle functions in North and South Wollo Zones, Ethiopia]Survey of traditional cattle production systems and preferred cattle functions in North and South Wollo Zones, Ethiopia

Overall performance of smallholder crossbred dairy herds was assessed by administering semi-structured questionnaires on 20 sample herds with crossbred and indigenous cattle in Degem. Reported average lactations yields of crossbreds were at least five times greater than that for indigenous cows; ...


Dekeba, A.Ayalew, W.Hegde, B.P.[Observations on the performance of crossbred dairy cattle in smallholder herds in Degem District, Ethiopia]Observations on the performance of crossbred dairy cattle in smallholder herds in Degem District, Ethiopia

Persistency of lactation in indigenous and crossbred cows was studied using milk data collected at Bako Agricultural Research Centre. Persistency was measured using three methods vis a vis as the ratios of milk yield during the second (P2:1) and third (P3:1) 100 days of lactation to milk yield du...


Gebreyohanes, G.Tegegne, AzageDiedhiou, M.L.Hegde, B.P.[Persistency of lactation and comparison of different persistency measures in indigenous and crossbred cows at Bako, Ethiopia]Persistency of lactation and comparison of different persistency measures in indigenous and crossbred cows at Bako, Ethiopia

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