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Table 3 Selected results of the logistic regression model/Wald test with target variable negative serological finding in meat juice

From: Longitudinal study on the influence of sow and piglet vaccination on seroprevalence of Salmonella Typhimurium in rearing pigs and at slaughter in a farrow-to-finish production system

Predictor

Wald Chi square

p-value

Farm

19.9

0.0002

Vaccination group

3.5

0.33

Farm x vaccination group

29.6

0.0003

Farm 1 (Ref. farm 5)

17.4

 < 0.0001

Farm 2 (Ref.: farm 5)

5.2

0.03

Farm 1 × UNVAC (Ref.: farm 5 × SOWVAC-2

18.9

 < 0.0001

  1. UNVAC—no vaccination against Salmonella, SOWVAC-2—Piglets from vaccinated sows (ST) which had been vaccinated twice already as a piglet (ST)
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Porcine Health Management

ISSN: 2055-5660

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