Changes made by Commission Delegated Regulation (EU) 2017/1182 of 20 April 2017 supplementing Regulation (EU) No 1308/2013 of the European Parliament and of the Council as regards the Union scales for the classification of beef, pig and sheep carcasses and as regards the reporting of market prices of certain categories of carcasses and live animals: Commission Implementing Regulation (EU) No 807/2013 of 26 August 2013 laying down detailed rules for the application of Council Regulation (EC) No 1234/2007 as regards the survey of prices of certain bovine animals on representative Union markets