1. Alawneh J. I., Barnes, T. S., Parke, C., Lapuz, E., David, E., Basinang, V., et al. (2014). Description of the pig production systems, biosecurity practices and herd health providers in two provinces with high swine density in the Philippines. Preventive Veterinary Medicine, 114(2), 73–87. doi: 10.1016/j.prevetmed.2014.01.020 . Epub 2014 Jan 29.
2. Alexandratos, N., & Bruinsma, J. (2012). World Agriculture Towards 2030/2050: The 2012 Revision. ESA Working Paper 12-03. Available online at http://www.fao.org/docrep/016/ap106e/ap106e.pdf .
3. Allen, J., & Lavau, S. (2014). Just-in-time disease: Biosecurity, poultry and power. Journal of Cultural Economics. http://dx.doi.org/10.1080/17530350.2014.904243 .
4. Arthur, J. A., & Albers, G. A. (2003). Industrial perspective on problems and issues associated with poultry breeding. In: W. M. Muir, & S. E. Aggrey (Eds.), Poultry genetics, breeding and biotechnology. Oxfordshire: CABI Publishing.
5. Atherstone, C., Roesel, K., & Grace, D. (2014). Ebola risk assessment in the pig value chain in Uganda. ILRI Research Report 34, International Livestock Research Institute, Nairobi, Kenya.