1. Anonymous, 1995. The Swedish Salmonella control programmes for live animals, eggs and meat. Commission Decision of 23 February 1995 (95/50/EC).
2. Anonymous, 1999. Trends and sources of zoonotic agents in animals, feedstuffs, food and man in the European Union in 1997. Document No. VI/8495/98. Rev. 2 of the European Commission. Edited by Community Reference Laboratory on the Epidemiology of Zoonoses, BgVV, Berlin, Germany.
3. Bager, F., 1994. Salmonella in Danish pig herds-risk factors and source of infection. In: Proceedings of the XVII Nordic Veterinary Congress, 26–29 July, Reykjavik, Iceland, pp. 79–82.
4. Baum, D.H., Harris, D.L., Nielsen, B., Fedorka-Cray, P.J., 1998. Risk factors associated with increased seroprevalence of Salmonella in finishing swine. In: Proceedings of the 15th IPVS Congress, 5–9 July, vol. 2. Birmingham, UK, p. 79.
5. Beloeil, P.A., Eveno, E., Gerault, P., Fravalo, P., Rose, V., Madec, F., 1999. An exploratory study about contamination of pens of finishing pigs by ubiquitous Salmonella. In: Proceedings of the Third International Symposium on Epidemiology and Control of Salmonella in Pork, 5–7 August. Washington, USA, pp. 101–105.