Mark Purdey animal feed dates back to at least 1926. In the 1970s attention was directed within MAFF to the danger that this practice would result in the spread of infectious diseases. The diseases considered were those caused by conventional viral and bacterial organisms. No consideration appears to have been given to the risk that scrapie might be recycled in sheep, or even transmitted to other farm animals. This may seem surprising. The answer probably lies in the fact that half a century had elapsed without any indication that animal feed containing ovine protein was infecting sheep or any other animal." Purdey
Alternatives to animal testing organises an annual conference in Linz (Austria) for The World Congress on Alternatives and Animal Use in the Life Sciences takes place every three years. The next conference (10th) will be held in September 2017 in Seattle. The 1st Latino-Americano Congress on Alternative to Animal Testing took place in 2012. Colama (I Congresso Latino-Americano De Metodos Alternativos Ao Uso De Animais No Ensino, Pesquisa E Industria). On January 1, 2013, EU Directive 2010/63/EU ""on the protection of animals used for scientific purposes"" entered into force for the EU Member States (MS),<ref name="DIRECTIVE 2010/63/EU"></ref> repealing Directive 86/609/EEC. Because it is a