The slaughterhouse is Haarby the food authorities, in the city of Skanderborg in western Denmark.
"We have reported the slaughterhouse to the police because he has misled its customers," said Michael Rose, Mark from the Ministry of Food, Agriculture and Fisheries, told reporters.
The slaughterhouse had previously claimed that the restaurants - customers of the establishment - have been informed that the pizzas meat of horses and cattle contained. This turned out to be a lie.
Laboratory reports of the samples of the slaughterhouse on 13 Haarby February found that "residential and business customers had ordered and received beef products from mixed beef, horses and hogs."
The Danish Health Department has placed after the scandal surrounding horse meat in beef lasagna and other finished products a special focus on the verification of mixed meat products. The scandal relates to popular European and Danish supermarkets.
"We have had an eye on the Danish slaughterhouses to see if there could there be a mixture of beef and horse meat. We examined various slaughterhouses and found a slaughterhouse in which we are not convinced that they horsemeat and "segregated beef, Mette Gjerskov, Danish Minister for Food, Agriculture and Fisheries, said on February 15, when the slaughterhouse Haarby came under suspicion, to sell horse meat as beef.
Horse meat is not dangerous to humans or unhealthy. In France, however, horse meat that was intended for human consumption and which contained the drug phenylbutazone. This can be harmful to human health.
The scandal erupted in mid-January in Europe to light when Irish food inspectors discovered horse meat in frozen beef burgers from producers in Ireland and the UK. These were sold in supermarket chains such as Tesco, Britain's biggest retail chain.