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Table 4 Serum NA test geometric mean (±SD) results

From: Immune response development after vaccination of 1-day-old naïve pigs with a Porcine Reproductive and Respiratory Syndrome 1-based modified live virus vaccine

 

Treatment

Day of study

28

56

83

113

125 (DC-1)

132 (DC + 6)

SN antibody inverse titre

T01

ND

ND

ND

ND

ND

ND

T02

ND

4.9 ± 3.5

3.1 ± 3.3

3.9 ± 4.0

4.6 ± 1.4

14.7 ± 4.4

T03

ND

4.5 ± 3.9

2.3 ± 3.0

2.7 ± 2.7

2.3 ± 0.7

16.1 ± 4.8

 

Contrast

P value

T01 vs T02

    

0.0149

<.0001

T01 vs T03

    

NS

<.0001

T02 vs T03

    

NS

NS

  1. Titres are expressed as the inverse of the highest dilution at which NA activity is detected. DC day of challenge, ND non-detectable (below limit of detection of the technique), NS non-significant
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Porcine Health Management

ISSN: 2055-5660

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