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Table 3 Summary of bacteriologic findings on at least one sample from lung and pleura in 28 pigs from outbreak herds and 24 pigs from non-outbreak herds

From: A descriptive study of acute outbreaks of respiratory disease in Norwegian fattening pig herds

Microbial species

Outbreak herdsa

Non-outbreak herdsa

Lung

n = 28

Pleura

n = 28

Lung

n = 24

Pleura

n = 24

Actinobacillus pleuropneumoniae

28b

26c

2d

0

Pasteurella multocida

1

3

–

–

Streptococcus spp.

5

10

–

–

Haemophilus parasuis

–

–

–

–

Bordetella bronchiseptica

–

–

1

–

Coliform bacteria

2

2

–

–

Other: Actinomyces hyovaginalis, Trueperella pyogenes, Proteus mirabilis, Fusobacterium spp.

3

–

1

–

Unspecific mixed culture

–

1

4

1

  1. aIn total, 28 pleural swabs and 52 lung swabs were collected in outbreak herds, while 24 pleural and 49 lung swabs were collected in non-outbreak herds. The sum of findings per lung or pleura are presented here
  2. bFrom swabs of acute lung lesions. A. pleuropneumoniae was the sole microbial species detected in lung samples from 20 of these pigs
  3. cFrom swabs of pleuritic lesions. A. pleuropneumoniae was cultured from 26 pleuritic lesions. A. pleuropneumoniae was the sole microbial species detected in pleura samples from 13 of these pigs
  4. dFrom swabs of lung lesions. A. pleuropneumoniae was the sole microbial species detected in one lung with chronic lesions, while the other was a mixed culture from an acute lesion
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Acta Veterinaria Scandinavica

ISSN: 1751-0147