Findus frozen lasagne, part of the Nestle portfolio, are pictured in a shop at the company headquarters in Vevey, Switzerland, February 15, 2018. REUTERS/Denis Balibouse

Tomcat "Findus" looks through a window while canary "Dodo" sits in his cage in Hanau, Germany, January 22, 2018. Picture taken January 22, 2018. REUTERS/Kai Pfaffenbach

Tomcat "Findus" looks through a window while canary "Dodo" sits in his cage in Hanau, Germany, January 22, 2018. Picture taken January 22, 2018. REUTERS/Kai Pfaffenbach

Tomcat "Findus" looks through a window while canary "Dodo" sits in his cage in Hanau, Germany, January 22, 2018. Picture taken January 22, 2018. REUTERS/Kai Pfaffenbach

A general view of the Tavola factory of French company Comigel in Capellen near Luxembourg February 16, 2013. After finding its beef lasagne contained horsemeat, the British unit of Findus began recalling the product from supermarket shelves last week on advice from its French supplier Comigel, raising questions over the complicated nature of the European food chain. Comigel said in a statement it paid market prices for what it thought was beef. It said it had alerted the authorities as soon as it became aware of a problem and had filed a legal complaint as a victim of fraud. REUTERS/Eric Vidal (LUXEMBOURG - Tags: FOOD HEALTH AGRICULTURE BUSINESS)

The logo of the Tavola factory of French company Comigel is seen in Capellen near Luxembourg February 16, 2013. After finding its beef lasagne contained horsemeat, the British unit of Findus began recalling the product from supermarket shelves last week on advice from its French supplier Comigel, raising questions over the complicated nature of the European food chain. Comigel said in a statement it paid market prices for what it thought was beef. It said it had alerted the authorities as soon as it became aware of a problem and had filed a legal complaint as a victim of fraud. REUTERS/Eric Vidal (LUXEMBOURG - Tags: FOOD HEALTH AGRICULTURE BUSINESS LOGO)

The logo of the Tavola factory of French company Comigel is seen next to a stop sign in Capellen near Luxembourg February 16, 2013. After finding its beef lasagne contained horsemeat, the British unit of Findus began recalling the product from supermarket shelves last week on advice from its French supplier Comigel, raising questions over the complicated nature of the European food chain. Comigel said in a statement it paid market prices for what it thought was beef. It said it had alerted the authorities as soon as it became aware of a problem and had filed a legal complaint as a victim of fraud. REUTERS/Eric Vidal (LUXEMBOURG - Tags: FOOD HEALTH AGRICULTURE BUSINESS LOGO)

A general view of the Tavola factory of French company Comigel in Capellen near Luxembourg February 16, 2013. After finding its beef lasagne contained horsemeat, the British unit of Findus began recalling the product from supermarket shelves last week on advice from its French supplier Comigel, raising questions over the complicated nature of the European food chain. Comigel said in a statement it paid market prices for what it thought was beef. It said it had alerted the authorities as soon as it became aware of a problem and had filed a legal complaint as a victim of fraud. REUTERS/Eric Vidal (LUXEMBOURG - Tags: FOOD HEALTH AGRICULTURE BUSINESS)

A general view of the logo and the entrance of the Tavola factory of French company Comigel in Capellen near Luxembourg February 16, 2013. After finding its beef lasagne contained horsemeat, the British unit of Findus began recalling the product from supermarket shelves last week on advice from its French supplier Comigel, raising questions over the complicated nature of the European food chain. Comigel said in a statement it paid market prices for what it thought was beef. It said it had alerted the authorities as soon as it became aware of a problem and had filed a legal complaint as a victim of fraud. REUTERS/Eric Vidal (LUXEMBOURG - Tags: FOOD HEALTH AGRICULTURE BUSINESS LOGO)

A general view of the Tavola factory of French company Comigel in Capellen near Luxembourg February 16, 2013. After finding its beef lasagne contained horsemeat, the British unit of Findus began recalling the product from supermarket shelves last week on advice from its French supplier Comigel, raising questions over the complicated nature of the European food chain. Comigel said in a statement it paid market prices for what it thought was beef. It said it had alerted the authorities as soon as it became aware of a problem and had filed a legal complaint as a victim of fraud. REUTERS/Eric Vidal (LUXEMBOURG - Tags: FOOD HEALTH AGRICULTURE BUSINESS)

The sign and logo of a Picard frozen food chain store is seen in Fontenay, near Paris, February 13, 2013. Picard, France's largest frozen food chain with some 800 stores, removed its beef lasagne as well as chile con carne in a scandal over horsemeat sold as beef which has shocked consumers and exposed flaws in European systems of food safety control. Last week the British unit of frozen foods group Findus recalled its beef lasagne on advice from its French supplier, Comigel, after tests showed concentrations of horsemeat in a range from 60 to 100 percent. REUTERS/Charles Platiau (FRANCE - Tags: BUSINESS FOOD)

The sign and logo of a Picard frozen food chain store is seen in Fontenay, near Paris, February 13, 2013. Picard, France's largest frozen food chain with some 800 stores, removed its beef lasagne as well as chile con carne in a scandal over horsemeat sold as beef which has shocked consumers and exposed flaws in European systems of food safety control. Last week the British unit of frozen foods group Findus recalled its beef lasagne on advice from its French supplier, Comigel, after tests showed concentrations of horsemeat in a range from 60 to 100 percent. REUTERS/Charles Platiau (FRANCE - Tags: BUSINESS FOOD)

A poster advertising hachis Parmentier (shepherd's pie) is seen on the store front of a Picard frozen food chain store in Vincennes, near Paris, February 13, 2013. Picard, France's largest frozen food chain with some 800 stores, removed its beef meat lasagne as well as chile con carne in a scandal over horsemeat sold as beef which has shocked consumers and exposed flaws in European systems of food safety control. Last week the British unit of frozen foods group Findus recalled its beef lasagne on advice from its French supplier, Comigel, after tests showed concentrations of horsemeat in a range from 60 to 100 percent. REUTERS/Charles Platiau (FRANCE - Tags: BUSINESS FOOD)

A poster advertising hachis Parmentier (shepherd's pie) is seen on the store front of a Picard frozen food chain store in Vincennes, near Paris, February 13, 2013. Picard, France's largest frozen food chain with some 800 stores, removed its beef meat lasagne as well as chile con carne in a scandal over horsemeat sold as beef which has shocked consumers and exposed flaws in European systems of food safety control. Last week the British unit of frozen foods group Findus recalled its beef lasagne on advice from its French supplier, Comigel, after tests showed concentrations of horsemeat in a range from 60 to 100 percent. REUTERS/Charles Platiau (FRANCE - Tags: BUSINESS FOOD)

A poster advertising hachis Parmentier (shepherd's pie) is seen on the store front of a Picard frozen food chain store in Vincennes, near Paris, February 13, 2013. Picard, France's largest frozen food chain with some 800 stores, removed its beef meat lasagne as well as chile con carne in a scandal over horsemeat sold as beef which has shocked consumers and exposed flaws in European systems of food safety control. Last week the British unit of frozen foods group Findus recalled its beef lasagne on advice from its French supplier, Comigel, after tests showed concentrations of horsemeat in a range from 60 to 100 percent. REUTERS/Charles Platiau (FRANCE - Tags: BUSINESS FOOD)

A poster advertising hachis Parmentier (shepherd's pie) is seen on the store front of a Picard frozen food chain store in Vincennes, near Paris, February 13, 2013. Picard, France's largest frozen food chain with some 800 stores, removed its beef meat lasagne as well as chile con carne in a scandal over horsemeat sold as beef which has shocked consumers and exposed flaws in European systems of food safety control. Last week the British unit of frozen foods group Findus recalled its beef lasagne on advice from its French supplier, Comigel, after tests showed concentrations of horsemeat in a range from 60 to 100 percent. REUTERS/Charles Platiau (FRANCE - Tags: BUSINESS FOOD)

A metal horse head outlined with a neon light is seen above a horsemeat butcher shop in Paris February 11, 2013. The British unit of frozen foods group Findus began recalling its beef meat lasagne last week on advice from its French supplier, Comigel, and the French and British governments have since vowed to punish those found responsible for allowing horsemeat originating from Romania to be sold as beef. REUTERS/Charles Platiau (FRANCE - Tags: FOOD BUSINESS)

Metal horse heads outlined with neon lights are seen above a horsemeat butcher shop in Paris February 11, 2013. The British unit of frozen foods group Findus began recalling its beef meat lasagne last week on advice from its French supplier, Comigel, and the French and British governments have since vowed to punish those found responsible for allowing horsemeat originating from Romania to be sold as beef. REUTERS/Charles Platiau (FRANCE - Tags: FOOD BUSINESS)

A 320g size box of Findus brand beef lasagne is seen after its purchase from an independent food store in Nunhead, southeast London February 8, 2013. Food manufacturer Findus confirmed on February 7 results of tests carried out by Britain's Food Standards Agency that showed that the company's beef lasagne contained horse meat. Picture taken February 8, 2013. REUTERS/Chris Helgren (BRITAIN - Tags: POLITICS BUSINESS FOOD AGRICULTURE ANIMALS)

A 320g size box of Findus brand beef lasagne is seen after its purchase from an independent food store in Nunhead, southeast London February 8, 2013. Food manufacturer Findus confirmed on February 7 results of tests carried out by Britain's Food Standards Agency that showed that the company's beef lasagne contained horse meat. Picture taken February 8, 2013. REUTERS/Chris Helgren (BRITAIN - Tags: POLITICS BUSINESS FOOD AGRICULTURE ANIMALS)

A 320g size box of Findus brand beef lasagne is seen after its purchase from an independent food store in Nunhead, southeast London February 8, 2013. Food manufacturer Findus confirmed on February 7 results of tests carried out by Britain's Food Standards Agency that showed that the company's beef lasagne contained horse meat. Findus, a UK-based frozen food and seafood company which is behind brands including Young's and The Seafood Company, began a recall of its beef lasagne from retailers earlier in the week on advice from its French supplier, Comigel. REUTERS/Chris Helgren (BRITAIN - Tags: AGRICULTURE BUSINESS FOOD SCIENCE TECHNOLOGY)

A 320g size box of Findus brand beef lasagne is seen after its purchase from an independent food store in Nunhead, southeast London February 8, 2013. Food manufacturer Findus confirmed on February 7 results of tests carried out by Britain's Food Standards Agency that showed that the company's beef lasagne contained horse meat. Findus, a UK-based frozen food and seafood company which is behind brands including Young's and The Seafood Company, began a recall of its beef lasagne from retailers earlier in the week on advice from its French supplier, Comigel. REUTERS/Chris Helgren (BRITAIN - Tags: AGRICULTURE BUSINESS FOOD SCIENCE TECHNOLOGY)

A 320g size box of Findus brand beef lasagne is seen after its purchase from an independent food store in Nunhead, southeast London February 8, 2013. Food manufacturer Findus confirmed on February 7 results of tests carried out by Britain's Food Standards Agency that showed that the company's beef lasagne contained horse meat. Findus, a UK-based frozen food and seafood company which is behind brands including Young's and The Seafood Company, began a recall of its beef lasagne from retailers earlier in the week on advice from its French supplier, Comigel. REUTERS/Chris Helgren (BRITAIN - Tags: AGRICULTURE BUSINESS FOOD SCIENCE TECHNOLOGY)

A 320g size box of Findus brand beef lasagne is seen after its purchase from an independent food store in Nunhead, southeast London February 8, 2013. Food manufacturer Findus confirmed on February 7 results of tests carried out by Britain's Food Standards Agency that showed that the company's beef lasagne contained horse meat. Findus, a UK-based frozen food and seafood company which is behind brands including Young's and The Seafood Company, began a recall of its beef lasagne from retailers earlier in the week on advice from its French supplier, Comigel. REUTERS/Chris Helgren (BRITAIN - Tags: AGRICULTURE BUSINESS FOOD SCIENCE TECHNOLOGY)

Findus frozen meals are seen in a supermarket in London February 8, 2013. Food manufacturer Findus confirmed on Thursday results of tests carried out by Britain's Food Standards Agency that showed that the company's beef lasagne contained horse meat. REUTERS/Suzanne Plunkett (BRITAIN - Tags: FOOD SOCIETY BUSINESS)

Findus frozen meals are seen in a supermarket in London February 8, 2013. Food manufacturer Findus confirmed on Thursday results of tests carried out by Britain's Food Standards Agency that showed that the company's beef lasagne contained horse meat. REUTERS/Suzanne Plunkett (BRITAIN - Tags: FOOD SOCIETY BUSINESS)

A Findus sign is seen on the side of a building in Longbenton, northern England February 8, 2013. Food manufacturer Findus confirmed on Thursday results of tests carried out by Britain's Food Standards Agency that showed that the company's beef lasagne contained horse meat. REUTERS/Nigel Roddis (BRITAIN - Tags: FOOD SOCIETY BUSINESS)

A Findus sign is seen on the side of a building in Longbenton, northern England February 8, 2013. Food manufacturer Findus confirmed on Thursday results of tests carried out by Britain's Food Standards Agency that showed that the company's beef lasagne contained horse meat. REUTERS/Nigel Roddis (BRITAIN - Tags: FOOD SOCIETY BUSINESS)

Findus products are display in a store in Edinburgh, Scotland February 8, 2013. Food manufacturer Findus confirmed on Thursday results of tests carried out by Britain's Food Standards Agency that showed that the company's beef lasagne contained horse meat. REUTERS/David Moir (BRITAIN - Tags: FOOD SOCIETY BUSINESS)

Findus products are display in a store in Edinburgh, Scotland February 8, 2013. Food manufacturer Findus confirmed on Thursday results of tests carried out by Britain's Food Standards Agency that showed that the company's beef lasagne contained horse meat. REUTERS/David Moir (BRITAIN - Tags: FOOD SOCIETY BUSINESS)

Findus products are display in a store in Edinburgh, Scotland February 8, 2013. Food manufacturer Findus confirmed on Thursday results of tests carried out by Britain's Food Standards Agency that showed that the company's beef lasagne contained horse meat. REUTERS/David Moir (BRITAIN - Tags: FOOD SOCIETY BUSINESS)

Findus products are display in a store in Edinburgh, Scotland February 8, 2013. Food manufacturer Findus confirmed on Thursday results of tests carried out by Britain's Food Standards Agency that showed that the company's beef lasagne contained horse meat. REUTERS/David Moir (BRITAIN - Tags: FOOD SOCIETY BUSINESS)

Findus products are display in a store in Edinburgh, Scotland February 8, 2013. Food manufacturer Findus confirmed on Thursday results of tests carried out by Britain's Food Standards Agency that showed that the company's beef lasagne contained horse meat. REUTERS/David Moir (BRITAIN - Tags: FOOD SOCIETY BUSINESS)

Francois Hollande (L), Socialist Party candidate for the 2012 French presidential election, shakes hands with employees as he visits a plant of frozen-food giant Findus during a campaign visit in the northern city of Boulogne-sur-Mer March 27, 2012. REUTERS/Fred Dufour/Pool (FRANCE - Tags: POLITICS ELECTIONS)

Francois Hollande (C), Socialist Party candidate for the 2012 French presidential election, visits a plant of frozen-food giant Findus during a campaign visit in the northern city of Boulogne-sur-Mer March 27, 2012. REUTERS/Fred Dufour/Pool (FRANCE - Tags: POLITICS ELECTIONS HEADSHOT)

Francois Hollande, Socialist Party candidate for the 2012 French presidential election, visits a plant of frozen-food giant Findus during a campaign visit in the northern city of Boulogne-sur-Mer March 27, 2012. REUTERS/Fred Dufour/Pool (FRANCE - Tags: POLITICS ELECTIONS HEADSHOT)