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Volume 9, Number 4—April 2003


Antimicrobial Growth Promoters and Salmonella spp., Campylobacter spp. in Poultry and Swine, Denmark

Mary C. Evans*Comments to Author  and Henrik C. Wegener*
Author affiliations: *Danish Veterinary Institute, Copenhagen, Denmark

Main Article

Table 1

Description of time intervals used for data analysis, by species and pathogena

Species Pathogen Period 1 (P1) Period 2 (P2)
Salmonella (antemortem )
Jan 1995–Dec 1997
Jan 1999–Dec 2001

Salmonella (postmortem)
Jan 1996–Oct 1997
Jan 1999–Oct 2000

Jan 1996–Dec 1997
Jan 1999–Dec 2000
Jan 1996–Dec 1997
Jan 2000–Dec 2001
Salmonella (pork) Jan 1997–Dec 1997 Jan 2000–Dec 2000

aPeriod 1 and 2 refer to the time periods before (P1) and after (P2) the withdrawal of antimicrobial growth promoters.

Main Article