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Volume 9, Number 7—July 2003

Synopsis

Salmonella Control Programs in Denmark

Henrik C. Wegener*Comments to Author , Tine Hald*, Lo Fo Wong*, Mogens Madsen*, Helle Korsgaard*, Flemming Bager*, Peter Gerner-Smidt†, and Kåre Mølbak†
Author affiliations: *Danish Veterinary Institute, Copenhagen, Denmark; †Statens Serum Institut, Copenhagen, Denmark

Main Article

Table 1

Salmonella surveillance of the broiler and egg production, Denmark, 2000

Stage of production Age or frequency Samples taken Method
Central rearing stations, broiler and egg sector
Day-old chickens
10 samples of crate material, 20 dead or destroyed chickensa
Bacteriologic
1 wk
40 dead chickens
Bacteriologic
2 wks
2 pairs of sock samples
Bacteriologic
4 wks
60 fecal samplesa
Bacteriologic
8 wks
2 pairs of sock samples
Bacteriologic
2 weeks before moving
60 fecal samples and 60 blood samplesab
Bacteriologic, serologic
Breeders (hatching egg production)-broiler and egg sector
Every 2 wks
50 dead chickens or meconium from 250 chickens taken from the hatcheryac
Bacteriologic
Every wk
2 pairs of sock samplesd
Bacteriologic
Hatchery
After each hatching
Wet dust
Bacteriologic
Rearing egg production
Day-old chickens
10 samples of crate material and 20 dead chickens
Bacteriologic
3 wks
5x2 sock samples in floor production units or 300 fecal samples
Bacteriologic
12 weeks
5x2 sock samples in floor production units or 300 fecal samples, and 60 blood samplesb
Bacteriologic, serologic
Egg production Every 9th wk for eggs sold to authorized egg-packing centers
2 pairs of sock samples in floor production units or fecal samples and egg samples
Bacteriologic, serologic
Every 6 mo for eggs sold at barnyard sale 2 pairs of sock samples or fecal samples and egg samples Bacteriologic, serologic

aRequirements of the European Union Zoonosis Directive (92/117/EEC).

bSamples taken by the district veterinary officer.

cSamples taken by the district veterinary officer every 8 weeks.

dSamples taken by the district veterinary officer every 3 months.

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