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Structuring Broiler Barns: How a Perforated Flooring System Affects Animal Behavior.

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Elevated perforated floors in broiler chicken barns attract more birds but do not increase the duration of specific behaviors. This flooring offers a potential way to structure housing environments for improved welfare.

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Area of Science:

  • Animal Science
  • Agricultural Engineering
  • Ethology

Background:

  • European broiler chickens are often housed in barren environments, impacting welfare.
  • Elevated perforated platforms are proposed to enhance animal health and welfare in poultry farming.

Purpose of the Study:

  • To assess the behavioral impact of elevated perforated flooring on broiler chickens.
  • To determine if this flooring system influences bird distribution and activity patterns.

Main Methods:

  • Comparative study in two broiler barns (Ross 308 breed, 500 birds/barn) over three fattening periods.
  • One barn featured an elevated perforated floor; the other served as a control with littered flooring.
  • Behavioral analysis using video recordings, counting bird numbers, and focal animal observations.

Main Results:

  • Significantly more broiler chickens occupied the perforated floor area compared to the control litter (p < 0.001).
  • Focal animals spent less time on the perforated floor than on the control litter (p < 0.05).
  • No significant differences were found in the duration of specific recorded behaviors between the two treatments.

Conclusions:

  • Elevated perforated flooring is attractive to broiler chickens, increasing their presence in the area.
  • The flooring does not appear to promote or extend specific observed behaviors.
  • This system presents a viable option for structuring broiler housing to potentially improve welfare.