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United States Department of Agriculture

Agricultural Research Service

Title: Prevalence of Campylobacter Jejuni and Campylobacter Coli in Market Weight Turkeys on-Farm and at Slaughter

Authors
item Wesley, Irene
item Muraoka, Wayne
item Scupham, Alexandra
item Rostagno, Marcos
item Trampel, Darrell - IOWA STATE UNIVERSITY

Submitted to: Campylobacter Helicobacter and Related Organisms International Workshop
Publication Type: Abstract Only
Publication Acceptance Date: September 4, 2005
Publication Date: September 4, 2005
Citation: Wesley, I.V., Muraoka, W.T., Scupham, A.J., Rostagno, M.H., Trampel, D. 2005. Prevalence of Campylobacter jejuni and Campylobacter coli in market weight turkeys on-farm and at slaughter [abstract]. International Workshop on Campylobacter, Helicobacter, and Related Organisms. p. 109.

Technical Abstract: The goal of this study was to determine if perimarketing events (i.e., feed withdrawal, catching, transport, and pre-slaughter holding) impact Campylobacter spp. in the intestines of turkeys. Birds from six commercial flocks in the Midwest were examined before and after transport to the abattoir. Market weight turkeys (n = 30/flock) were euthanized and viscera (crops, duodenum, jejunum, ileum, colon, ceca, spleen) removed on the farm premise. Within ~ 24 hrs, cohorts (n = 30/flock) from the same flock were transported to a commercial abattoir, maintained in holding sheds, and slaughtered. Overall, when data for the six farms are combined, for turkeys examined on-farm, Campylobacter spp. were recovered from ceca (64%), crop (3%), duodenum (62.l2%), ileum (87.33%), and large intestine (86.67%). Campylobacter spp. were not isolated from either the gall bladder or spleen. After the perimarketing events (i.e., at the abattoir), Campylobacter spp. were recovered from the ceca (57%), crop (24%), duodenum (74.67%), ileum (76%), and large intestine (80%) of the turkeys examined. That the recovery of Campylobacter spp. from the gall bladder was significantly higher at slaughter (14.67%) when compared to on-farm levels (0%, P < 0.05) reflects the accumulation of bile and subsequent enlargement of this organ during fasting. When compared to on-farm levels (3%) the increase in recoveries from the crop at slaughter (24%) was significant (P < 0.05%). Overall, C. coli was isolated more often from the crop and cecum. That C. jejuni predominates in the intestine (duodenum, ileum, colon) concurs with previous observation that C. jejuni is isolated more often than C. coli in cloacal swabs. The distribution of C. jejuni and C. coli along the intestinal tract was examined for each of the six farms. Ability to differentiate C. jejuni from C. coli is fundamental to understanding dynamics of Campylobacter in the avian gut and in evaluating on-farm pathogen reduction interventions.

Last Modified: 4/18/2014
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