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Table 3 The scores of clinical signs after challenge and lung lesions recorded at 28 DPCa

From: Rescue and evaluation of a recombinant PRRSV expressing porcine Interleukin-4

Groups

Scores of clinical signs (±SD)b

Scores of lung lesions (±SD)c

CH-1R/pIL-4 + Challenged

3.9 ± 0.18B

21.5 ± 3.32B

CH-1R + Challenged

3.4 ± 0.27B

23.6 ± 5.57B

Challenged

5.6 ± 1.58A

51.2 ± 8.33A

Mock

3 ± 0.00B

6.67 ± 0.58C

  1. aWithin each column, the different letters (A, B, C) represent the values significantly different (p < 0.05)
  2. bScores of clinical sign were expressed as the sum of daily observations of all clinical signs
  3. cPercentage of the entire lung affected by pneumonia