1. Grassland Research Institute, Chinese Academy of Agricultural Sciences, Hohhot, China
2. Sustainable Environment Food and Agriculture Initiative, Lagos, Nigeria
3. National Animal Production Research Institute, Ahmadu Bello University, Zaria, Nigeria
4. Department of Environmental Science, Policy, and Management, University of California, Berkeley, United States
5. Department of Pasture and Range Management, Federal University of Agriculture, Abeokuta, Nigeria
6. Discipline of Animal and Poultry Science, University of KwaZulu-Natal, Durban, South Africa
7. Department of Animal Production, Federal University of Technology, Minna, Nigeria