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Table 3 Evaluation of fetuses at necropsy. All fetuses were analyzed for their condition and allocated to three categories: normal, autolyzed and mummified

From: Duration of immunity against heterologous porcine parvovirus 1 challenge in gilts immunized with a novel subunit vaccine based on the viral protein 2

 

Group

No. of gilts

No. of fetuses

Litter size (mean)

Normal (%)

Autolyzed (%)

Mummified (%)

Phase I

1-NC

8

110

13.8

20.0

4.5

75.5

2-Vac

10

178

17.8

97.2

0.0

2.8

Phase II

4-NC

8

86

10.8

7.0

8.1

84.9

5-Vac

6

72

12.0

97.2

1.4

1.4

  1. NC negative control; Vac vaccinated animals with the PPV1 subunit vaccine