See discussions, stats, and author profiles for this publication at: http://www.researchgate.net/publication/270961598 Characteristics of poultry production systems and cost-benefit analysis of mass vaccination campaign against HPAI in poultry production systems in Long An Province, South Vietnam ARTICLE · FEBRUARY 2009 READS 72 6 AUTHORS, INCLUDING: Marisa Peyre Cirad - La recherche agronomique pour le d… 47 PUBLICATIONS 387 CITATIONS SEE PROFILE François Louis Roger Cirad - La recherche agronomique pour le d… 192 PUBLICATIONS 1,523 CITATIONS SEE PROFILE Stéphanie Desvaux Ministère de l'agriculture, de l'alimentation… 23 PUBLICATIONS 335 CITATIONS SEE PROFILE Available from: François Louis Roger Retrieved on: 28 November 2015