Presentation by M. Quintero, R. D. Estrada, F. Holmann, I. Rao, S. Martens, M. Peters, R. Van der Hoek, M. Mena, S. Douxchamps, A. Oberson, and E. Frossard (CIAT) to the CGIAR Systemwide Livestock Programme Livestock Policy Group Meeting, 1 December 2009