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Table 2 Information about the four herds that participated in the study

From: Serological patterns of Actinobacillus pleuropneumoniae, Mycoplasma hyopneumoniae, Pasteurella multocida and Streptococcus suis in pig herds affected by pleuritis

 

Herd A

Herd B

Herd C

Herd D

Category

Fattening herd

Farrow to finish

Farrow to finish

Farrow to finish

Pigs slaughtered per year

21,000

15,800

6400

22,000

Merchandise of pigs from

1 herd

None

None

None

Vaccination of growers

None

None

None

None

Season studied

Winter

Winter

Winter

Winter

Pigs in unit studied

400

400

400

400