Downing Street has emphasised that the onus is on the food industry to rebuild confidence among consumers after the horsemeat scandal.
"There is a job to try to address consumer confidence. That is the responsibility of the retailers and the meat industry," a Number 10 spokeswoman said.
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.