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Table 2 Expected number of test positive Swedish dairy herds in 2011 (n=5200[14]) at different ODC% for three ELISAs detecting antibodies against Salmonella

From: Evaluation of the specificity of three enzyme-linked immunosorbent assays for detection of antibodies against Salmonella in bovine bulk milk

ELISA used

Expected number of test positive herds

at ODC% recommended by the producer1

at ODC% 20 or 252

Danish in-house Dublin ELISA

29 (95% CI3: 10-63)

58 (95% CI: 30-101)

Prionics Dublin ELISA4

29 (95% CI: 11-63)

63 (95% CI: 33-107)

Prionics mixed ELISA5

105 (95% CI: 69-168)

190 (95% CI: 138-266)

  1. 1ODC% 35 for Prionics ELISAs and ODC% 55 for the Danish in-house ELISA.
  2. 2ODC% 20 for Prionics ELISAs and ODC% 25 for the Danish in-house ELISA.
  3. 3CI: confidence interval.
  4. 4PrioCHECK® Salmonella Ab bovine Dublin ELISA.
  5. 5PrioCHECK® Salmonella Ab bovine ELISA.
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Acta Veterinaria Scandinavica

ISSN: 1751-0147