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Related Experiment Videos

Effect of cloacal plugging on microbial recovery from partially processed broilers

M T Musgrove1, J A Cason, D L Fletcher

  • 1USDA, Agricultural Research Service, Russell Research Center, Athens, Georgia 30604-5677, USA.

Poultry Science
|March 1, 1997
PubMed
Summary

Preventing intestinal content release during broiler processing significantly reduces carcass contamination. Cloacal plugging lowered Campylobacter and Gram-negative enteric bacteria on finished carcasses, improving microbial quality.

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Area of Science:

  • Food Safety
  • Microbiology
  • Poultry Science

Background:

  • Intestinal bacteria can contaminate broiler carcasses during processing.
  • Understanding microbial shedding is crucial for food safety.

Purpose of the Study:

  • To evaluate the impact of preventing intestinal content release on carcass microbial counts.
  • To assess the contribution of intestinal bacteria to exterior carcass contamination.

Main Methods:

  • Broiler carcasses were processed with or without cloacal plugging before scalding and picking.
  • Gram-negative enteric bacteria and Campylobacter spp. were enumerated on carcasses and in cecal contents.
  • Statistical analyses (ANOVA, chi-square) were performed on microbial counts.

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Main Results:

  • Cloacal plugging significantly reduced Campylobacter spp. and Gram-negative enteric bacteria on carcasses.
  • Plugging increased Gram-negative enteric bacteria in cecal contents but not Campylobacter spp.
  • All carcasses tested positive for Gram-negative enterics; plugging lowered Campylobacter contamination incidence.

Conclusions:

  • Intestinal carriage of bacteria significantly influences broiler carcass microbial quality.
  • Preventative measures during processing can effectively reduce carcass contamination.
  • Cloacal plugging is a viable strategy to enhance food safety in poultry processing.