Food scare make authorities uneasy. In previous cases, national food safety agencies have not always known how to react , making the public wary. For example, in 2011, the German health authorities incorrectly linked the deadly E.

The amount of nitrogen that is excreted by livestock is directly proportional to the amount it is fed . This is according to Chris Reynolds a researcher in nutritional physiology of ruminants  at  the University of Reading , UK.