1. Cargill won't buy Zilmax-fed cattle;Anonymous,2013
2. FDA probes Zilmax cattle drug for safety; Drugmaker halts sales in U.S. and Canada, processor rejects beef after malaise reported;Anonymous,2013
3. Anonymous 2013c. Health ministry downplays CF's ractopamine concern. The China Post 6 September 2013. http://www.chinapost.com.tw/taiwan/national/national-news/2013/09/06/388185/Health-Ministry.htm (Accessed 04 August 2014).
4. South Korea blocks JBS USA beef deliveries;Anonymous,2013
5. Meta-analysis of the ractopamine response in finishing swine;Apple;Prof. Anim. Sci.,2007