1. Department of Animal Science, Texas A&M University , College Station, TX 77843-2471 , USA
2. Center for Nuclear Energy in Agriculture, University of Sao Paulo , Piracicaba CEP 13416.000 , Brazil
3. Department of Research, TINE SA , Christian Magnus Falsens vei 12, 1433 Ås , Norway
4. European University Institute (EUI) , Via dei Roccettini 9, San Domenico di Fiesole (FI) , Italy
5. International Center for Tropical Agriculture (CIAT) , Km 17 Recta Cali-Palmira, A.A, 6713, Cali , Colombia
6. Agriculture and Agri-Food Canada, Lethbridge Research and Development Centre , Lethbridge, Alberta, T1J 4B1 , Canada
7. International Feed Industry Federation , 51657 Wiehl , Germany
8. Embrapa Southeast Livestock , Rod. Washington Luiz, km 234, CP 339, CEP 13.560-970. São Carlos, São Paulo , Brazil
9. Biosystems Engineering and Soil Science Department, The University of Tennessee, Knoxville , TN 37996 , USA
10. Animal Production and Health Division, Food and Agriculture Organization of the United Nations , Viale delle Terme di Caracalla, 00153 Rome , Italy
11. Centre for Research on Sustainable Agriculture, CIPAV , Cali 760042 , Colombia
12. Centro Carnes—Instituto Nacional de Tecnología Industrial, INTI , Buenos Aires , Argentina
13. INRAE, Institut Agro Rennes Angers, UMR SAS , F-35042, Rennes , France
14. Teagasc Animal and Grassland Research and Innovation Centre , Grange, Dunsany, Co. Meath, C15PW93 , Ireland
15. Agricultural Systems Unit, Walloon Agricultural Research Centre , rue du Serpont 100, B-6800 Libramont , Belgium
16. Department of Bioengineering, Federal University of São João del-Rei , São João del-Rei, MG 36307-352 , Brazil
17. Soil and Crop Sciences, School of Integrative Plant Science, Cornell University , Ithaca, NY 14853 , USA
18. Institute of Agricultural Sciences, ETH Zurich , Universitaetstrasse 2, 8092 Zurich , Switzerland
19. Mazingira Centre, International Livestock Research Institute (ILRI) , Nairobi , Kenya
20. Department of Chemistry, Maseno University , Maseno , Kenya
21. EcoEngineers , Des Moines, IA 50309 , USA
22. Embrapa Dairy Cattle , Juiz de Fora, Minas Gerais , Brazil
23. Basque Centre For Climate Change (BC3) , Leioa , Spain
24. IKERBASQUE, Basque Foundation for Science , Bilbao , Spain
25. Dairy Value Chain Research Institute (IDICAL) (INTA–CONICET) , Rafaela , Argentina
26. Department of Animal Science, University of California , Davis, CA 95616 , USA