References
- Morris , R S . 2012 . Biosecurity risks to New Zealand: lessons from the South African experience with porcine reproductive and respiratory syndrome . New Zealand Veterinary Journal , 60 : 84 – 85 .
- * *Non-peer-reviewed *Oosthuizen CM. A retrospective study of a porcine reproductive and respiratory syndrome outbreak in South Africa in 2004. Master of Veterinary Medicine thesis, University of Pretoria, Pretoria, South Africa, 2010
- Pharo , H and Cobb , S P . 2011 . The spread of pathogens through trade in pig meat: overview and recent developments . Scientific and Technical Review of the Office International des Epizooties , 30 : 139 – 48 .