A comprehensive review of both the causes of greenhouse gas emissions from livestock and the range of ways these emissions can be reduced

Part 1 Analysis1.Measuring methane emissions from livestock: Trevor Coates, Agriculture and Agri-Food Canada, Canada; and Deli Chen and Mei Bai, University of Melbourne, Australia;2.Greenhouse gas emissions from livestock production: modelling methods, methane emission factors and mitigation strategies: Donal O'Brien, Environment, Soils and Land Use Department, Teagasc, Ireland; and Laurence Shalloo, Animal and Grassland Research and Innovation Department, Teagasc, Ireland;Part 2 Breeding, animal husbandry and manure management3.The contribution of animal breeding to reducing the environmental impact of livestock production: Yvette de Haas, Wageningen University and Research, The Netherlands; Marco C. A. M. Bink, Hendrix Genetics Research, Technology & Services B.V., The Netherlands; Randy Borg, Cobb Europe B.V., The Netherlands; Erwin P. C. Koenen, CRV, The Netherlands; Lisanne M. G. Verschuren, Topigs Norsvin Research Center B.V./Wageningen University and Research, The Netherlands; and Herman Mollenhorst, Wageningen University and Research, The Netherlands;4.Quantifying the contribution of livestock health issues to the environmental impact of their production systems: Stephen G. Mackenzie, Trinity College Dublin, Ireland; and Ilias Kyriazakis, Queen's University of Belfast, UK;5.Sustainable nitrogen management for housed livestock, manure storage and manure processing: Barbara Amon, Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB), Germany and University of Zielona Góra, Poland; Lars Stouman Jensen, University of Copenhagen, Denmark; Karin Groenestein, Wageningen Livestock Research, The Netherlands; and Mark Sutton, UK Centre for Ecology & Hydrology (UKCEH), UK;6.Developments in anaerobic digestion to optimize the use of livestock manure: Mingxue Gao, Danmeng Wang, Chunlan Mao, Yongzhong Feng, Zhiyuan Zhu, Xiaojiao Wang, Guangxin Ren and Gaihe Yang, Northwest A&F University, China;Part 3 Nutrition7.The impact of improving feed efficiency on the environmental impact of livestock production: James K. Drackley, University of Illinois at Urbana-Champaign, USA; and Christopher K. Reynolds, University of Reading, UK;8.Improving grassland/forage quality and management to reduce livestock greenhouse gas emissions: Michael O'Donovan, Teagasc, Ireland;9.The use of plant bioactive compounds to reduce greenhouse gas emissions from farmed ruminants: Cécile Martin, Vincent Niderkorn, Gaëlle Maxin, INRAE, France; Jessie Guyader, INRAE-ADM NEOVIA, France; and Maguy Eugène and Diego P. Morgavi, INRAE, France;10.The use of feed supplements to reduce livestock greenhouse gas emissions: direct-fed microbials: Natasha Doyle, Teagasc Moorepark Food Research Centre, Ireland; Philiswa Mbandlwa, University College Cork, Ireland; Sinead Leahy and Graeme Attwood, AgResearch Limited, New Zealand; Bill Kelly, Ashhurst, New Zealand; Collin Hill and R. Paul Ross, Teagasc Moorepark Food Research Centre and University College Cork, Ireland; and Catherine Stanton, Teagasc Moorepark Food Research Centre, University College Cork and VISTAMILK SFI Centre - Teagasc, Ireland;11.Modifying the rumen environment to reduce greenhouse gas emissions: Yajing Ban, University of Alberta, Canada; André L. A. Neves, Embrapa Dairy Cattle, Brazilian Agricultural Research Corporation (Embrapa), Brazil; Le Luo Guan, University of Alberta, Canada; and Tim McAllister, Lethbridge Research and Development Centre, Agriculture and Agri-Food Canada, Canada;