1. College of Agriculture and Environmental Sciences, Bahir Dar University, Bahir Dar, Ethiopia
2. Andassa Livestock Research Center, Amhara Region Agricultural Research Institute, Bahir Dar, Ethiopia
3. Arid Land Research Center, Tottori University, Tottori, Japan
4. Faculty of Life and Environmental Science, Shimane University, Shimane, Japan
5. International Platform for Dryland Research and Education, Tottori University, Tottori, Japan
6. Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan