Mitigation of Greenhouse Gas Emissions in Livestock Production – A Review of Technical Options for non-CO<sub>2</sub> Emissions, A.N. Hristov, J. Oh, C. Lee, R. Meinen, F. Montes, T. Ott, J. Firkins, A. Rotz, C. Dell, A. Adesogan, W. Yang, J. Tricarico, E. Kebreab, G. Waghorn, J. Dijkstra, S. Oosting, P.J. Gerber, B. Henderson, H.P.S. Makkar (Eds.). FAO Animal Production and Health Paper No. 177, FAO, Rome, Italy (2013), <a href="http://www.fao.org/icatalog/inter-e.htm" target="_blank">http://www.fao.org/icatalog/inter-e.htm</a>, Softcover, 206 pp., Price: 48 US$, ISBN 978-92-5-107658-3 (print) or E-ISBN 978-92-5-107659-0 (PDF)