TABLE 1.

Sources of Campylobacter spp. recovered from flocks and the environment

Flock(s)Sample typecNo. of positive samples/no. of samples testeda for birds of indicated ages (days):
0-1*6-16**18-28**25-28**30-3335-40**42-49***
A/BbBroilers0/2e0/100/101/10; 0/10d10/10
Puddles1/1e0/80/40/40/4
Other0/10d, e, su, h, sh0/12d, e, su, w, sh0/6d, e, su, w, sh0/6d, e, su, w, sh10/16d, e, su, w, sh, cr
C/DbBroilers0/2e0/220/110/110/110/11
Puddles0/24/70/40/20/20/2
Other0/8d, e, su, do, w0/16d, e, su, do, w0/8d, e, su, do, w0/8d, e, su, do, w0/8d, e, su, do, w0/18d, e, su, do, w, cr
EBroilers0/2e0/220/110/110/110/11t
Puddles0/40/70/30/33/30/3
Other0/8d, e, su, do, w0/8d, su, do, w0/4d, do, w0/4d, su, do, w0/4d, su, do, w0/9d, su, do, w, cr
FBroilers0/12e0/200/110/100/103/10
Puddles0/61/60/20/40/2
Shed surround0/50/60/10/20/1
Other0/8su, f, st0/3st, i3/5cr
GBroilers0/10e0/210/200/1010/105/510/10
Puddles1/20/20/1
Shed surround0/10/10/30/20/2
Other0/9su, e, w0/1e0/1w1/5c, d, st1/1c3/5cr
HBroilers0/14e0/281/2814/1414/1428/2814/14
Puddles2/32/41/21/11/1
Shed surround0/41/4pa1/2pa
Other1/10c, w, su, d, e0/1c5/5cr
IBroilers0/14e0/280/140/140/142/59
Puddles0/20/1
Shed surround0/20/30/20/10/1
Other0/11w, su, d, i0/10d, su, e0/2i, d0/3d
JBroilers0/14e0/280/280/281/1414/1413/13
Puddles0/20/52/31/40/20/1
Shed surround0/30/20/1
Other0/12c, d, su0/10d, c, su0/4w, d0/5d, su0/3d1/4d, su5/5cr
  • a Bold type indicates positive results. *, prefill to chick placement; **, may represent more than one sampling visit; ***, day of kill; —, not sampled; c, cow feces; cr, transport crates (pre-bird loading); d, drinker surfaces; do, dog feces; e, equipment; f, floor of anteroom or shed; h, horse feces; i, insects; pa, path; sh, sheep feces; st, straw outside shed; su, structural supports inside shed, and walls; w, wild animals, including bird, fox, hedgehog, mouse, rabbit, and shrew.

  • b Flocks were grown concurrently.

  • c Samples from broiler flocks were obtained from fecal, cloacal, or cecal material. Shed surround includes concrete aprons and paths.

  • d First result is from flock A, and second result is from flock B.

  • e Number of composite samples tested.