• Anonymous 1991 In Salmonella Bacteria. Detection in Foods, no. 71. Nordic Committee on Food Analysis. c/o VTT Bio-og Livsmedelteknik, Finland.
  • Anonymous 1998 Annual Report on Zoonoses in Denmark, 1997. Copenhagen: Danish Zoonosis Centre and the Danish Veterinary Service.
  • Barrow, P.A., Simpson, J.M. & Lovell, M.A. 1988 Intestinal colonisation in the chickens by food-poisoning Salmonella serotypes; microbial characteristics associated with faecal excretion. Avian Pathology, 17, 571588.
  • Bisgaard, M. 1992 A voluntary Salmonella control programme for the broiler industry, implemented by the Danish Poultry Council. International Journal of Food Microbiology, 15, 219224.
  • Brownell, J.R., Sadler, W.W. & Fanelli, M.J. 1969 Factors influencing the intestinal infection of chickens with Salmonella typhimurium. Avian Diseases, 13, 804816.
  • Byrd, J.A., Corrier, D.E., DeLoach, J.R. & Nisbet, D.J. 1997 Comparison of drag-swab environmental protocols for the isolation of Salmonella in poultry houses. Avian Diseases, 41, 709713.
  • Caldwell, D.J., Hargis, B.M., Corrier, D.E. & DeLoach, J.R. 1998 Frequency of isolation of Salmonella from protective foot covers worn in broiler houses as compared to drag-swab sampling. Avian Diseases, 42, 381384.
  • Caldwell, D.J., Hargis, B.M., Corrier, D.E., Williams, J.D., Vidal, L. & DeLoach, J.R. 1994 Predictive value of multiple drag-swab sampling for the detection of Salmonella from occupied or vacant poultry houses. Avian Diseases, 38, 461466.
  • Fanelli, M.J., Sadler, W.W., Franti, C.E. & Brownell, J.R. 1971 Localization of salmonellae within the intestinal tract of chickens. Avian Diseases, 15, 366375.
  • Kauffmann, F. 1972 Serological Diagnosis of Salmonella Species. Kauffmann White Schema. Copenhagen. Munksgaard.
  • Kingston, D.J. 1981 A comparison of culturing drag swabs and litter for identification of infections with Salmonella spp. in commercial chickens flocks. Avian Diseases, 25, 513516.
  • Read, S.C., Irwin, R.J., Poppe, C. & Harris, J. 1994 A comparison of two methods for isolation of Salmonella from poultry litter samples. Poultry Science, 73, 16171621.
  • Sacks, J.M., Bolin, S.R. & Crowder, S.V. 1989 Prevalence estimation from pooled samples. American Journal of Veterinary Research, 50, 205206.
  • Tate, C.R., Miller, R.G., Mallinson, E.T., Douglass, L.W. & Johnston, R.W.1990. The isolation of salmonellae from poultry environmental samples by several enrichment procedures using plating media with and without novobiocin. Poultry Science, 69, 721726.
  • Waltman, W.D., Horne, A.M. & Pirkle, C. 1993 Influence of enrichment incubation time on the isolation of Salmonella. Avian Diseases, 37, 884887.