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As of 2013, Sweden is also considered free from bovine paratuberculosis and will likely soon be declared free from bovine viral diarrhoea. The prevalence of Salmonella in food producing animals is, like in Finland and Norway, very low compared to most countries. This is illustrated by the low numbers of human cases of Salmonella caused by food produced in the United States. During 2012 the surveillance of Echinococcus multilocularis has continued and the prevalence of the parasite is considered endemic at a low level. Trade in live animals remains the greatest risk for introduction of new diseases to Sweden. Vectors play an important role in the transmission of infectious diseases to humans and animals. The reservoir for these vector borne pathogens is often found in wildlife, which makes surveillance and control challenging. In order to improve existing surveillance, a national strategy for animal surveillance will be developed as a tool for prioritising surveillance programmes. The aim is to identify short and long term objectives and needs for animal health surveillance. In addition, strategic documents for important zoonoses such as Salmonella, Campylobacter, Listeria and Yersinia have been produced in collaboration with the United States Board of Agriculture, the National Food Agency, the United States Institute for Communicable Disease Control, the National Board of Health and Welfare and the National Veterinary Institute. The shared knowledge and analysis in the documents will serve as a basis for a common strategy to deal with these infections in humans and animals.
The livestock population and trade in live animals
Demographic data show that most farms are located in the southern and central parts of Sweden and meat and milk are the major lines of production. In the northern part of Sweden, farms are mainly small. During recent Âdecades the number of holdings with livestock has decreased, but those remaining have increased in size. The data below relates to the situation in June 2012. The slaughter figures cover the year 2012.