A November 1, 2011 article in the UK-based Daily Mail highlights concerns over a re-emergence of the human form of Mad Cow Disease or other equally lethal animal-transmitted variants, based on farmers now being permitted once more to use livestock feed that contains animal remains.

http://www.dailymail.co.uk/health/article-2055904/Could-face-return-CJD-Experts-fear-lie-dormant-thousands.html?ito=feeds-newsxml
http://www.fwi.co.uk/Articles/13/10/2011/129562/Improving-prospects-for-UK-pig-producers.htm