Presented by Haile, A., Duguma, G., Mirkena, T., Tibbo, M., Iñiguez, L., Rischkowsky, B., Okeyo, M., Wurzinger, M. and Sölkner, J. at the 5th All Africa Conference on Animal Agriculture and the 18th Annual Meeting of the Ethiopian Society of Animal Production (ESAP), Addis Ababa, October 25-28, 2010