Descubre y comparte nuestro conocimiento público

Se han encontrado 8 recursos

Resultados de búsqueda

Journal Article 1999

Autor: Zerbini, E. Gebre-Wold, A.

This study examined whether work applied at different stages of lactation had any effect on reproduction of cows under two feeding regimes. Twenty-four F1 crossbred dairy cows (12 Friesian X Boran and 12 Simmental X Boran) were allocated one of two diets (H + 3: natural pasture hay + 3 kg concent...

Enlace original: https://cgspace.cgiar.org/handle/10568/28326

Investigación en Agricultura
Enlace permanente
Zerbini, E. ,  Gebre-Wold, A. ,  [Effect of work applied at different stages of lactation on milk production, reproduction and live-weight change of F1 crossbred dairy cows used for draught] ,  Effect of work applied at different stages of lactation on milk production, reproduction and live-weight change of F1 crossbred dairy cows used for draught
Journal Article 1992

Autor: Zerbini, E. Gemeda, T. O'Neill, D.H. Howell, P.J. Schroter, R.C.

Cardio-respiratory and mechanical work output variables were measured for four F1 crossbred dairy cows (average weight 475 kg) over a range of work levels. Resting (standing prior to exercise) heart rates (average 62 beats per min) and respiratory rates (average 21 breaths per min) were similar t...

Enlace original: https://cgspace.cgiar.org/handle/10568/28287

Investigación en Agricultura
Enlace permanente
Zerbini, E. ,  Gemeda, T. ,  O'Neill, D.H. ,  Howell, P.J. ,  Schroter, R.C. ,  [Relationships between cardio-respiratory parameters and draught work output in F1 crossbred dairy cows under field conditions] ,  Relationships between cardio-respiratory parameters and draught work output in F1 crossbred dairy cows under field conditions
Conference Paper 1998

Autor: Alemayehu, M. Gebre-Wold, A. Tegegne, Azage Zerbini, E. Larsen, C.

Based on the promising results obtained from on-station, the cow traction study was further taken to on-farm for verification under the Ethiopian smallholder farmers management conditions. The study was undertaken in Holetta area between 1992 and 1996 by involving 14 farmers. Mean dairy milk yiel...

Enlace original: https://cgspace.cgiar.org/handle/10568/50348

Investigación en Agricultura
Enlace permanente
Alemayehu, M. ,  Gebre-Wold, A. ,  Tegegne, Azage ,  Zerbini, E. ,  Larsen, C. ,  [Dairy-draft on-farm performance of crossbred cows in Holetta area] ,  Dairy-draft on-farm performance of crossbred cows in Holetta area
Conference Paper 1993

Autor: Zerbini, E. Gemeda, T.

The results of the research showed that hay intake was 10 percent greater in working compared to non working cows. Cows responded to underfeeding by a progressive adaptation until a new equilibrium between dietary supply and requirements was reached. However, in draught cows fed low quality rough...

Enlace original: https://cgspace.cgiar.org/handle/10568/50459

Investigación en Agricultura
Enlace permanente
Zerbini, E. ,  Gemeda, T. ,  [Effect of work on dry matter intake, milk production and reproduction of multipurpose cows fed low quality roughage] ,  Effect of work on dry matter intake, milk production and reproduction of multipurpose cows fed low quality roughage
Conference Paper 1998

Autor: Mamo, S. Zerbini, E. Yami, A.

In Ethiopia, Boran and Arsi indigenous cows have been crossbred with Friesian and, or, Jersey sires in an attempt to increase milk production, especially in the Highlands (Kiwawa et al., 1983; Beyene, 1984). However, significant increase in milk production from crossbred cows have been constraine...

Enlace original: https://cgspace.cgiar.org/handle/10568/50546

Investigación en Agricultura
Enlace permanente
Mamo, S. ,  Zerbini, E. ,  Yami, A. ,  [Feeding management of crossbred dairy cows in the central Ethiopian highlands] ,  Feeding management of crossbred dairy cows in the central Ethiopian highlands
Conference Paper 2000

Autor: Alemayehu, M. Zerbini, E. Yami, A.

Draught animals are the main integrative links between crop and livestock production systems in the highlands of Ethiopia. The highlands comprise only 40% of the country's total land area but carry 79% of livestock heads and 80% of the human population results in higher pressure on the arable lan...

Enlace original: https://cgspace.cgiar.org/handle/10568/50406

Investigación en Agricultura
Enlace permanente
Alemayehu, M. ,  Zerbini, E. ,  Yami, A. ,  [Draught work efficiency of F1 crossbred dairy cows and the Ethiopian highland Zebu oxen under smallholder farming context] ,  Draught work efficiency of F1 crossbred dairy cows and the Ethiopian highland Zebu oxen under smallholder farming context
Conference Paper 1994

Autor: Zerbini, E. Gemeda, T. Gebre-Wold, A. Astatke, A.

In Ethiopia, the use of crossbred cows for traction could improve total on-farm production by decreasing the need to maintain draft oxen year-round and a fallower herd to supply replacement oxen, provided that lactation and reproduction are kept at levels comparable to non-working cows. In a stud...

Enlace original: https://cgspace.cgiar.org/handle/10568/50436

Investigación en Agricultura
Enlace permanente
Zerbini, E. ,  Gemeda, T. ,  Gebre-Wold, A. ,  Astatke, A. ,  [Effect of draft work on lactation of F1 crossbred dairy cows] ,  Effect of draft work on lactation of F1 crossbred dairy cows
Conference Paper 1996

Autor: Zerbini, E. Shapiro, Barry I. Larsen, C.E.S. Gebre-Wold, A.

Smallholder whole-farm productivity could be increased, and a more sustainable farming system could be established, if dairy cows could also be used for draught work. On-station results over a three-year period indicated that when dairy-draught cows were adequately fed, milk production was not si...

Enlace original: https://cgspace.cgiar.org/handle/10568/50349

Investigación en Agricultura
Enlace permanente
Zerbini, E. ,  Shapiro, Barry I. ,  Larsen, C.E.S. ,  Gebre-Wold, A. ,  [Dairy-draught cows performance and implications for adoption] ,  Dairy-draught cows performance and implications for adoption

Selecciona los documentos para visualizarlos

Nombre del archivo Ver recurso
Marcar todos
Limpiar todo