The following are recommended articles for an understanding of global animal health and its effects on poverty.
Perry B, Grace D. The impacts of livestock diseases and their control on the growth and development processes that are pro-poor. Philos Trans R Soc Lond B Biol Sci. 2009 Sep 27;364(1530):2643-55 Abstract FreeArticle
Perry B, Sones K. Science for development. Poverty reduction through animal health. Science. 2007 Jan 19;315(5810):333-4 Link