Brussels, 09/02/2001 (Agence Europe) - Following the discovery of the remains of vertebral columns in beef products exported by Germany to the United Kingdom and Ireland, Commissioner David Byrne has written to the German authorities asking them to tighten controls to ensure the full respect of Community anti-mad cow legislation, which already prescribes part of the vertebral column of cattle as specified risk material banned from the food chain since October 2000. David Byrne's spokesperson...