opinion of the scientific panel on biological hazards on a request from the european parliament on certain aspects related to the feeding of animal proteins to farm animals (lopinjoni talbord xjentifiku dwar ilperikli bijoloġiċi fuq talba talparlament ewropew dwar ċerti aspetti marbutin mattagħlif talproteina talannimali lil annimali mrobbija) the efsa journal (2007) nru 576 1