Estimation of individual crossbreeding effects and growth curve analysis for growth traits of Dorper x Local crossbred sheep in Ethiopia
Growth data collected from 2011 to 2024 at Debre Birhan Agricultural Research Center sheep breeding station in Ethiopia was used to estimate crossbreeding parameters and describe the growth pattern of Dorper × Menz crossbred sheep. To estimate crossbreeding parameters, the coefficient of breed addit...
| Autores principales: | , , , , , , , , , , , , , , , , , , , , |
|---|---|
| Formato: | Journal Article |
| Lenguaje: | Inglés |
| Publicado: |
Elsevier
2025
|
| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/175464 |
| _version_ | 1855527304302690304 |
|---|---|
| author | Besufkad, S. Abebe, A. Tesema, Z. Bisrat, A. Goshme, S. Zewdie, T. Yitagesu, E. Aydefruhm, D. Ayele, F. Demis, C. Alimenew, E. Asfaw, T. Wondiyfraw, Y. Eshete, M. Getachew, T. Alemayehu, L. Gizaw, Solomon Getachew, Tesfaye Belay, Berhanu Rekik, Mourad Haile, Aynalem |
| author_browse | Abebe, A. Alemayehu, L. Alimenew, E. Asfaw, T. Aydefruhm, D. Ayele, F. Belay, Berhanu Besufkad, S. Bisrat, A. Demis, C. Eshete, M. Getachew, T. Getachew, Tesfaye Gizaw, Solomon Goshme, S. Haile, Aynalem Rekik, Mourad Tesema, Z. Wondiyfraw, Y. Yitagesu, E. Zewdie, T. |
| author_facet | Besufkad, S. Abebe, A. Tesema, Z. Bisrat, A. Goshme, S. Zewdie, T. Yitagesu, E. Aydefruhm, D. Ayele, F. Demis, C. Alimenew, E. Asfaw, T. Wondiyfraw, Y. Eshete, M. Getachew, T. Alemayehu, L. Gizaw, Solomon Getachew, Tesfaye Belay, Berhanu Rekik, Mourad Haile, Aynalem |
| author_sort | Besufkad, S. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Growth data collected from 2011 to 2024 at Debre Birhan Agricultural Research Center sheep breeding station in Ethiopia was used to estimate crossbreeding parameters and describe the growth pattern of Dorper × Menz crossbred sheep. To estimate crossbreeding parameters, the coefficient of breed additive, heterosis and recombination effects in the lamb were fitted as covariates in the analysis. Growth curve model parameters were estimated using Levenberg-Marquardt’s iterative algorithm through the nonlinear regression (NLIN) procedure in SAS. Menz sheep were consistently lighter and gained lower weight than Dorper and their crosses. Relative to the mean value of Menz sheep, the Dorper additive contribution to the BWT, WWT, SMWT, YWT, ADG1, ADG2 and ADG3 of lambs were 47.4, 49.7, 53.4, 63.9, 49.7, 36.9 and 1.16% higher, respectively. The heterosis effects were significantly negative (P<0.05) for BWT, WWT, SMWT and ADG1, but positive (P<0.01) for YWT, ADG2 and ADG3. The estimates of the recombination loss were positive in all traits except for ADG2. The Brody model provided the best fit of growth curve in all lamb genotypes, males, females, single and twin. The present study confirmed that the breed differences, heterosis and recombination effects are important genetic factors affecting growth performance in the Dorper × Menz crossbreeding programs. Moreover, improvement of growth curve parameters could be possible through selection program and intervention of improved management during weaning to six months of age. Therefore, developing an improved management and selection strategy to achieve the desired shape of growth would be very important. |
| format | Journal Article |
| id | CGSpace175464 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2025 |
| publishDateRange | 2025 |
| publishDateSort | 2025 |
| publisher | Elsevier |
| publisherStr | Elsevier |
| record_format | dspace |
| spelling | CGSpace1754642025-12-08T10:06:44Z Estimation of individual crossbreeding effects and growth curve analysis for growth traits of Dorper x Local crossbred sheep in Ethiopia Besufkad, S. Abebe, A. Tesema, Z. Bisrat, A. Goshme, S. Zewdie, T. Yitagesu, E. Aydefruhm, D. Ayele, F. Demis, C. Alimenew, E. Asfaw, T. Wondiyfraw, Y. Eshete, M. Getachew, T. Alemayehu, L. Gizaw, Solomon Getachew, Tesfaye Belay, Berhanu Rekik, Mourad Haile, Aynalem animal breeding sheep small ruminants Growth data collected from 2011 to 2024 at Debre Birhan Agricultural Research Center sheep breeding station in Ethiopia was used to estimate crossbreeding parameters and describe the growth pattern of Dorper × Menz crossbred sheep. To estimate crossbreeding parameters, the coefficient of breed additive, heterosis and recombination effects in the lamb were fitted as covariates in the analysis. Growth curve model parameters were estimated using Levenberg-Marquardt’s iterative algorithm through the nonlinear regression (NLIN) procedure in SAS. Menz sheep were consistently lighter and gained lower weight than Dorper and their crosses. Relative to the mean value of Menz sheep, the Dorper additive contribution to the BWT, WWT, SMWT, YWT, ADG1, ADG2 and ADG3 of lambs were 47.4, 49.7, 53.4, 63.9, 49.7, 36.9 and 1.16% higher, respectively. The heterosis effects were significantly negative (P<0.05) for BWT, WWT, SMWT and ADG1, but positive (P<0.01) for YWT, ADG2 and ADG3. The estimates of the recombination loss were positive in all traits except for ADG2. The Brody model provided the best fit of growth curve in all lamb genotypes, males, females, single and twin. The present study confirmed that the breed differences, heterosis and recombination effects are important genetic factors affecting growth performance in the Dorper × Menz crossbreeding programs. Moreover, improvement of growth curve parameters could be possible through selection program and intervention of improved management during weaning to six months of age. Therefore, developing an improved management and selection strategy to achieve the desired shape of growth would be very important. 2025-09 2025-07-03T07:52:58Z 2025-07-03T07:52:58Z Journal Article https://hdl.handle.net/10568/175464 en Limited Access Elsevier Besufkad, S., Abebe, A., Tesema, Z., Bisrat, A., Goshme, S., Zewdie, T., Yitagesu, E., Aydefruhm, D., Ayele, F., Demis, C., Alimenew, E., Asfaw, T., Wondiyfraw, Y., Eshete, M., Getachew, T., Alemayehu, L., Gizaw, S., Getachew, T., Belay, B., Rekik, M. and Haile, A. 2025. Estimation of individual crossbreeding effects and growth curve analysis for growth traits of Dorper x Local crossbred sheep in Ethiopia. Livestock Science 299: 105780. |
| spellingShingle | animal breeding sheep small ruminants Besufkad, S. Abebe, A. Tesema, Z. Bisrat, A. Goshme, S. Zewdie, T. Yitagesu, E. Aydefruhm, D. Ayele, F. Demis, C. Alimenew, E. Asfaw, T. Wondiyfraw, Y. Eshete, M. Getachew, T. Alemayehu, L. Gizaw, Solomon Getachew, Tesfaye Belay, Berhanu Rekik, Mourad Haile, Aynalem Estimation of individual crossbreeding effects and growth curve analysis for growth traits of Dorper x Local crossbred sheep in Ethiopia |
| title | Estimation of individual crossbreeding effects and growth curve analysis for growth traits of Dorper x Local crossbred sheep in Ethiopia |
| title_full | Estimation of individual crossbreeding effects and growth curve analysis for growth traits of Dorper x Local crossbred sheep in Ethiopia |
| title_fullStr | Estimation of individual crossbreeding effects and growth curve analysis for growth traits of Dorper x Local crossbred sheep in Ethiopia |
| title_full_unstemmed | Estimation of individual crossbreeding effects and growth curve analysis for growth traits of Dorper x Local crossbred sheep in Ethiopia |
| title_short | Estimation of individual crossbreeding effects and growth curve analysis for growth traits of Dorper x Local crossbred sheep in Ethiopia |
| title_sort | estimation of individual crossbreeding effects and growth curve analysis for growth traits of dorper x local crossbred sheep in ethiopia |
| topic | animal breeding sheep small ruminants |
| url | https://hdl.handle.net/10568/175464 |
| work_keys_str_mv | AT besufkads estimationofindividualcrossbreedingeffectsandgrowthcurveanalysisforgrowthtraitsofdorperxlocalcrossbredsheepinethiopia AT abebea estimationofindividualcrossbreedingeffectsandgrowthcurveanalysisforgrowthtraitsofdorperxlocalcrossbredsheepinethiopia AT tesemaz estimationofindividualcrossbreedingeffectsandgrowthcurveanalysisforgrowthtraitsofdorperxlocalcrossbredsheepinethiopia AT bisrata estimationofindividualcrossbreedingeffectsandgrowthcurveanalysisforgrowthtraitsofdorperxlocalcrossbredsheepinethiopia AT goshmes estimationofindividualcrossbreedingeffectsandgrowthcurveanalysisforgrowthtraitsofdorperxlocalcrossbredsheepinethiopia AT zewdiet estimationofindividualcrossbreedingeffectsandgrowthcurveanalysisforgrowthtraitsofdorperxlocalcrossbredsheepinethiopia AT yitagesue estimationofindividualcrossbreedingeffectsandgrowthcurveanalysisforgrowthtraitsofdorperxlocalcrossbredsheepinethiopia AT aydefruhmd estimationofindividualcrossbreedingeffectsandgrowthcurveanalysisforgrowthtraitsofdorperxlocalcrossbredsheepinethiopia AT ayelef estimationofindividualcrossbreedingeffectsandgrowthcurveanalysisforgrowthtraitsofdorperxlocalcrossbredsheepinethiopia AT demisc estimationofindividualcrossbreedingeffectsandgrowthcurveanalysisforgrowthtraitsofdorperxlocalcrossbredsheepinethiopia AT alimenewe estimationofindividualcrossbreedingeffectsandgrowthcurveanalysisforgrowthtraitsofdorperxlocalcrossbredsheepinethiopia AT asfawt estimationofindividualcrossbreedingeffectsandgrowthcurveanalysisforgrowthtraitsofdorperxlocalcrossbredsheepinethiopia AT wondiyfrawy estimationofindividualcrossbreedingeffectsandgrowthcurveanalysisforgrowthtraitsofdorperxlocalcrossbredsheepinethiopia AT eshetem estimationofindividualcrossbreedingeffectsandgrowthcurveanalysisforgrowthtraitsofdorperxlocalcrossbredsheepinethiopia AT getachewt estimationofindividualcrossbreedingeffectsandgrowthcurveanalysisforgrowthtraitsofdorperxlocalcrossbredsheepinethiopia AT alemayehul estimationofindividualcrossbreedingeffectsandgrowthcurveanalysisforgrowthtraitsofdorperxlocalcrossbredsheepinethiopia AT gizawsolomon estimationofindividualcrossbreedingeffectsandgrowthcurveanalysisforgrowthtraitsofdorperxlocalcrossbredsheepinethiopia AT getachewtesfaye estimationofindividualcrossbreedingeffectsandgrowthcurveanalysisforgrowthtraitsofdorperxlocalcrossbredsheepinethiopia AT belayberhanu estimationofindividualcrossbreedingeffectsandgrowthcurveanalysisforgrowthtraitsofdorperxlocalcrossbredsheepinethiopia AT rekikmourad estimationofindividualcrossbreedingeffectsandgrowthcurveanalysisforgrowthtraitsofdorperxlocalcrossbredsheepinethiopia AT haileaynalem estimationofindividualcrossbreedingeffectsandgrowthcurveanalysisforgrowthtraitsofdorperxlocalcrossbredsheepinethiopia |