Zero tolerance doesn’t help (Image: Mychele Daniau/Getty)

GENETICALLY modified crops are everywhere, it seems – even in Europe. Strict laws designed to keep the European Union free of unauthorised GM crops and products are not working, and are posing problems for the EU’s €150 billion livestock industry, according to farmers’ representatives. They say that supplies of animal feed for poultry and pigs are being refused entry at European ports when found to contain even trace amounts of unauthorised GM material.

Under Europe’s “zero-tolerance” laws on GM contamination, introduced in 2007, the presence of even a few seeds of unauthorised GM …