Herd prevalence of Salmonella spp. in Danish pig herds after implementation of the Danish Salmonella Control Program with reference to a pre-implementation study

Jette Christensen, Dorte Lau Baggesen, Bent Nielsen, Henrik Stryhn

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The problems addressed are: (1) comparison of prevalences of Salmonella spp. in different herd types in the Danish pig population after implementation of the Danish Salmonella Control Program (DSCP), and (2) to make a reference to a study from 1993/1994 (pre-implementation) with a discussion of possible biases when diagnostic methods differ slightly. The objectives were to present the prevalences of Salmonella spp., Salmonella Typhimurium, and multiresistant S. Typhimurium DT104 in Danish pig herds in 1998. Further, to discuss how herd prevalences may be compared to a previous study. A bacteriological study in 1998 comprised: (a) a random sample of slaughter pig producing herds (N = 1962); (b) a random sample of farrow-to-grower (sow) herds (N = 305); and
Original languageEnglish
JournalVeterinary Microbiology
Volume88
Issue number2
Pages (from-to)175-188
ISSN0378-1135
DOIs
Publication statusPublished - 2002

Keywords

  • pig-bacteria
  • apparent prevalence
  • Salmonella spp.
  • bias

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