Advances in sustainable dairy cattle nutrition

Part 1 Nutritional requirements
- 1. Advances in understanding carbohydrate requirements and utilization in dairy cattle: L. E. Chase, Cornell University, USA; and M. B. Hall, U.S. Dairy Forage Research Center - USDA-ARS, USA;
- 2. Advances in understanding protein requirements and utilization in dairy cattle: Jeffrey L. Firkins, The Ohio State University, USA; and Hélène Lapierre, Sherbrooke Research and Development Centre, Agriculture and Agri-Food Canada, Canada;
- 3. Advances in understanding lipid requirements and utilization in dairy cattle: James K. Drackley, University of Illinois at Urbana-Champaign, USA;

Part 2 The use of dietary supplements to optimise dairy cattle nutrition: plant extracts
- 4. The use of plant extracts as dietary supplements in dairy cow nutrition: plant essential oils: Sergio Calsamiglia and María Rodríguez-Prado, Animal Nutrition and Welfare Service, Universitat Autònoma de Barcelona, Spain; Gonzalo Fernández-Turren, Instituto de Producción Animal, Facultad de Veterinaria, Universidad de la República, Uruguay; and Lorena Castillejos, Animal Nutrition and Welfare Service, Universitat Autònoma de Barcelona, Spain;
- 5. The use of tannins as dietary supplements in dairy cattle nutrition: Michael Kreuzer, ETH Zurich, Switzerland;
- 6. The use of plant extracts as dietary supplements in dairy cow nutrition: saponins: Chaouki Benchaar, Sherbrooke Research and Development Centre, Agriculture and Agri-Food Canada, Canada;

Part 3 The use of direct-fed microbials (DFM) and other supplements to optimise nutrition
- 7. The use of bacterial probiotics and direct-fed microbials as dietary supplements in dairy cow nutrition: Zhongtang Yu, The Ohio State University, USA; Amlan Patra, West Bengal University of Animal and Fishery Sciences, India and American Institute for Goat Research, Langston University, USA; and Ming Yan, The Ohio State University, USA;
- 8. The use of exogenous enzymes as dietary supplements in dairy cow nutrition: Diwakar Vyas, Kathy G. Arriola, Felipe X. Amaro, Halima Sultana,Mohammad Malekkhahi, Samia Farooq, Adeoye Oyebade and Adegbola T. Adesogan, Institute of Food and Agricultural Sciences, University of Florida-Gainesville, USA;
- 9. Amino acids in dairy nutrition: enhancing milk protein synthesis and beyond: Juan J. Loor, University of Illinois, USA;
- 10. The use of supplements to mitigate enteric methane emission in dairy cattle: Alexander N. Hristov, The Pennsylvania State University, USA; Claudia Arndt, International Livestock Research Institute, Kenya; Audino Melgar, Instituto de Innovation Agropecuaria de Panama, City of Knowledge, Panama and The Pennsylvania State University, USA; and Derek Wasson, The Pennsylvania State University, USA;

Part 4 Assessing alternative feed sources from agricultural co-products
- 11. Assessing alternative fiber sources from by-products: Maurice L. Eastridge, The Ohio State University, USA;
- 12. Assessing alternative protein sources from by-products: Zachary E. Carlson and Gregory Lardy, North Dakota State University, USA;