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Table 1 Prevalence of Brachyspira in rectal swabs from all production stages, determined by culture

From: Fecal shedding of Brachyspira spp. on a farrow-to-finish swine farm with a clinical history of “Brachyspira hampsonii”-associated colitis

 

Site 1

Site 2

Week

Gilts

Sows

Suckling piglets

Youngest nursery

Oldest nursery

Grower

Finisher

A

3/21

0/12

0/6

0/6

1/6

7/24

0/12

B

3/21

2/12

0/6

0/6

0/6

10/24

1/12

C

2/21

0/12

0/6

1/6

1/6

5/24

0/12

D

0/21

4/12

0/6

0/6

0/6

3/24

1/12

E

1/21

0/12

0/6

0/6

0/6

2/24

0/12

F

4/21

3/12

0/6

0/6

0/6

9/24

4/12

G

2/21

0/12

0/6

0/6

0/6

2/24

2/12

H

0/21

0/12

0/6

1/6

0/6

2/24

1/12

I

0/10

2/12

nd1

0/6

0/6

nd

nd

J

1/10

1/12

nd

0/6

0/6

1/6

nd

K

0/10

1/12

nd

0/6

0/6

3/6

nd

L

1/10

1/12

nd

0/6

0/6

0/6

nd

M

0/10

0/12

nd

0/6

0/6

3/12

nd

Total

17/218 (7.7%)

14/156 (8.9%)

0/48 (0%)

2/78 (2.6%)

2/78 (2.6%)

47/222 (21%)

9/96 (9.3%)

  1. 1nd, not done.