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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.