1. Africa Center of Excellence for Climate Smart Agriculture and Biodiversity Conservation, Haramaya University, Haramaya, Ethiopia.
2. School of Animal and Range Sciences, Haramaya University, Haramaya, Ethiopia.
3. Department of Agriculture Environment and Food, University of Molise Via Francesco De Sanctis s.n.c. 86100 Campobasso, Italy.
4. Department of Animal Sciences, Debre Markos University, Debre Markos, Ethiopia.