2. 參考資料:
1. 養豬頭數參考世界糧農組織(FAO)2010年統計
2. Biosecurity (Meat and Food Waste for Pigs) Regulations 2005, New Zealand
Legislation
3. Regulations Amending the Health of Animals Regulations, 2008, Canada
4. 中华人民共和国畜牧法, 2005
5. 上海市畜禽養殖管理辦法, 2010
6. Swine Health Protection Act, 2002, USA
7. Texas Animal Health Commission Rules, Chapter55
8. Animal by-products Regulation, 2009, European Union