Meanwhile, the Food Standards Agency (FSA) has announced results from 1, 133 new tests on beef products.
The Food Standards Agency (FSA) has notified the European Commission and the Hungarian authorities.
Harvesting shellfish in the area is banned by the Food Standards Agency (FSA) on public health grounds.
Conservative MP Anne McIntosh has also questioned whether the Food Standards Agency (FSA) is fit for purpose.
The Food Standards Agency (FSA) said it had carried out the tests on samples taken from Dalepak Ltd.
Earlier in the session, the committee was briefed by members of the Food Standards Agency (FSA) on the "horseburgers" affair.
In a separate investigation, the Food Standards Agency (FSA) said it was looking at "inconsistencies with horse passports" at the slaughterhouse.
The Food Standards Agency (FSA), the government and retailers all have lessons to learn from the horsemeat scandal, David Cameron has said.
An investigation has been launched into an abattoir by the Food Standards Agency (FSA) after undercover filming allegedly showed horses being abused.
BBC: Nantwich horse abattoir investigation after secret film
Gerry McCurdy, of the Food Standards Agency (FSA), told the meeting of two NI Assembly committees that he could not be more specific.
Later on Tuesday he will meet supermarkets, the Institute of Grocery Distributors and the Food Standards Agency (FSA) to discuss the issue further.
The minister said the Food Standards Agency (FSA) would also be looking at whether to commission a review of its handling of the crisis.
Police officers have met with environmental health officials from Newry and Mourne District Council and representatives of the Food Standards Agency (FSA) in Belfast.
Mr Davies said the Food Standards Agency (FSA) had assured him there was no evidence to suggest that any recalled products were a safety risk.
The Food Standards Agency (FSA) is backing the new advice.
BBC: Scrap food sell-by dates, government urges manufacturers
The Food Standards Agency (FSA) suspended operations at the meat firm near Aberystwyth and the slaughterhouse in West Yorkshire after raids at the premises on Tuesday.
The Food Standards Agency (FSA) said it was the first time bute had been found in a meat product in the UK since the horsemeat scandal started.
The UK Food Standards Agency (FSA) said on Wednesday that food standards authorities in the Irish Republic are certain that horsemeat found in beefburgers came from Poland.
BBC: Horsemeat row: Trade union's fears over Silvercrest jobs
On Tuesday 5 February, the Food Standards Agency (FSA) confirmed that a consignment of frozen meat in a cold store in County Down, contained about 80% horsemeat.
Work at Farmbox Meats Ltd, of Llandre, Aberystwyth, was suspended in February by the Food Standards Agency (FSA) as part of an investigation into alleged mislabelling of meat products.
In the wake of the discoveries, the Food Standards Agency (FSA) ordered food businesses to carry out widespread tests on all processed beef products, including burgers, meatballs and lasagne.
Meanwhile, the results of up to one third of tests on the presence of horsemeat in processed meals ordered by the Food Standards Agency (FSA) are being released.
The MPs criticised the way the government and the Food Standards Agency (FSA) had dealt with the crisis since horsemeat was discovered in some supermarket beef products last month.
Speaking in Parliament, Prime Minister David Cameron condemned the situation as "a completely unacceptable state of affairs" and called for an urgent investigation by Britain's Food Standards Agency (FSA).
The Food Standards Agency (FSA) will report after asking retailers and suppliers for "meaningful results" from tests to detect the presence of horse meat in processed meals labelled as beef.
However, Mr Paterson insisted he had "discussed this issue yesterday with the chief executive of the Food Standards Agency (FSA), who is completely satisfied that the information required from Sodexo has been supplied".
Mr Paterson added that the Food Standards Agency's (FSA) advice was to continue buying and eating processed beef products, but if any evidence of a serious threat to health emerged "we will act very swiftly".
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