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Table 1 Clinical characteristics of 45-day old pigs non-vaccinated or vaccinated with the Bartha strain of SuHV1 and subsequently challenged with the Hercules or HeN1 strain of SuHV1.

From: Bartha-K61 vaccine protects nursery pigs against challenge with novel european and asian strains of suid herpesvirus 1

 

n = 

Development of high fever (≥ 41 °C)

Development of neurological signs (score 2 +)

Survival

Virus titre [log10/g tissue]

Nr pigs

Avg time (days)

Nr pigs

Avg time (days)

Dead pigs

Mortality (%)

Avg time to death (days)

In dead pig

At 20 dpca

Nasal mucosa

Brain

Nasal mucosa

Brain

Group

 G1-control

4

0

0

0

0

0

0

–

–

–

0.0

0.0

 G2-Hercules

5

4

2

2

9.5

1

20.0

9

4.1

3.5

2.1 (3/4)b

1.3 (1/4)

 G3-HeN1

5

5

2

2

4

5

100.0

5.4

4.5

4.6

  

 G4-VacHercules

5

0

0

0

0

0

0

–

–

 

1.8 (3/5)

0.0 (0/5)

 G5-VacHeN1

5

1

2

0

0

0

0

–

–

–

2.4 (2/5)

0.0 (0/5)

  1. adpc = days post-challenge.
  2. bpositive pigs/total alive pigs.