Supermarket sales have taken a battering from the recent horsemeat scandal.
Shadow Environment Minister Huw Irranca-Davies told Daybreak that the responsibility of solving the issue, lies with Defra.
He said the responsibility for food provenance goes right across the supply chain, and added that it was not "right" the Government had been "pointing their finger at the supermarkets" for blame.
Wholesaler Castell Howell have contacted customers after a 'possible contamination' of cottage pies.
The Food Standards Agency (FSA) has just announced it will extend its UK-wide survey of burgers and similar beef products.
The horsemeat scandal continues to diminish public confidence in the food industry, an ITV News Index poll finds.