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Related Experiment Videos

Cleanliness of broilers when they arrive at poultry processing plants.

L J Wilkins1, S N Brown, A J Phillips

  • 1Department of Clinical Veterinary Science, University of Bristol, Langford, Bristol BS40 5DU.

The Veterinary Record
|December 24, 2003
PubMed
Summary
This summary is machine-generated.

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Most broiler chickens examined had dirty plumage, with scores of 6 or 7 on a cleanliness scale. Dirtier birds were linked to longer feed withdrawal times, suggesting potential impacts on poultry welfare.

Area of Science:

  • Poultry Science
  • Animal Welfare
  • Food Safety

Background:

  • Plumage cleanliness is an indicator of broiler chicken health and welfare.
  • Assessing broiler cleanliness is crucial for processing plant hygiene and food safety standards.

Purpose of the Study:

  • To evaluate the plumage cleanliness of live broiler chickens upon arrival at processing plants.
  • To identify factors influencing broiler chicken plumage cleanliness, such as season and feed withdrawal duration.

Main Methods:

  • Photographic scale (1=very clean, 8=very dirty) used to score plumage cleanliness.
  • 69,783 broiler chickens from 54 loads across three processing plants were assessed.
  • Data collected across spring, summer, and winter visits.

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Main Results:

  • Most birds received high dirtiness scores (6 or 7).
  • Average plant scores ranged from 6.07 to 6.84, indicating generally poor cleanliness.
  • Higher scores correlated with increased frequency of very dirty birds (score 7+), reaching 73% in some instances.
  • Longer feed withdrawal times (up to 10 hours) showed a trend towards dirtier birds.

Conclusions:

  • Broiler chicken plumage cleanliness is a significant concern at processing plants.
  • Seasonal variations and feed withdrawal times appear to influence plumage cleanliness.
  • Further investigation into feed withdrawal management is warranted to improve broiler welfare and processing outcomes.