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Zerbini, E.Gemeda, T.Tegegne, AzageGebrewold, A.Franceschini, R.[The effects of work and nutritional supplementation on postpartum reproductive activities and progesterone secretion in F1 crossbred dairy cows in Ethiopia]The effects of work and nutritional supplementation on postpartum reproductive activities and progesterone secretion in F1 crossbred dairy cows in Ethiopia
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

Bioassay of acaricide resistance on three common cattle ticks was carried out on four farms in Holotta area, Central Ethiopia, using a standardized FAO Acaricide Resistance Test Methods. Larval progeny of Boophilus decoloratus, Rhipicephalus e. evertsi and Amblyomma variegatum were subjected to l...


Jobre, Y.Adamu, G.Zerbini, E.[Bioassay of acaricide resistance on three common cattle tick species at Holotta, central Ethiopia]Bioassay of acaricide resistance on three common cattle tick species at Holotta, central Ethiopia
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

This discussion which is based on output/input ratios includes many factors which are likely to be extremely important in relation to the overall utilization of feed by multipurpose cattle. It compares different output/input ratios (biological efficiencies) for draught work, beef production, milk...


Zerbini, E.Gebre-Wold, A.[Output/input ratios in single and multipurpose cattle]Output/input ratios in single and multipurpose cattle

Bioassay of acaricide resistance on three common cattle tick species was conducted at the Institute of Agricultural Research, Holetta Research Centre by using standardized FAO Acaricide Resistance Test Methods. Larval progeny of Boophilus decoloratus, Rhipicephalus evertsi evertsi and Amblyomma v...


Shiferaw, Y.Girma, A.Jobre, Y.Hailemariam, M.Zerbini, E.[Bioassay of acaricide resistance on three common cattle tick species around Holetta area]Bioassay of acaricide resistance on three common cattle tick species around Holetta area

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