European Union fisheries ministers have agreed to phase out the controversial practice of dumping unwanted fish.
The discovery of horsemeat in beef products has led to a range of processed foods being withdrawn from sale across Europe.
Retailers and suppliers have been conducting tests to try to determine to what extent, if any, horsemeat is contained in their products labelled as beef.
The Food Standards Agency (FSA) says 3,634 tests have been carried out in the UK so far, with 35 tests showing the presence of horsemeat. As products were tested multiple times, the 35 positive results relate to only 13 different products, including Findus beef lasagne, which yielded at least 15 positive results.