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Vocalisation sound pattern identification in young broiler chickens.

I Fontana1, E Tullo1, A Scrase2

  • 11Department of Health, Animal Science and Food Safety,Università degli Studi di Milano,Milan,20133 Italy.

Animal : an International Journal of Animal Bioscience
|August 1, 2015
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Summary

This study monitored broiler chicken vocalizations from day 1 to 38, finding predictable sound patterns linked to age and weight. Audio analysis reveals potential for non-invasive health status evaluation in farmed chickens.

Keywords:
acoustic parametersaudio labellingbroiler chickenspectrogramwelfare assessment

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Area of Science:

  • Animal Science
  • Bioacoustics
  • Agricultural Engineering

Background:

  • Broiler chicken production involves intensive farming with short lifecycles.
  • Monitoring animal welfare and health is crucial for efficient production.
  • Vocalizations can provide insights into an animal's physiological and emotional state.

Purpose of the Study:

  • To investigate vocalization patterns in broiler chickens throughout their growth cycle.
  • To determine if vocal frequencies and sound spectra change predictably with age and weight.
  • To explore the potential of audio monitoring for evaluating broiler chicken status.

Main Methods:

  • Audio recordings of broiler chickens were collected daily from day 1 to 38.
  • Sound data was analyzed using frequency and spectrum analysis software.
  • Statistical analysis was performed to correlate vocalization patterns with age and weight.

Main Results:

  • Key vocalization frequencies and patterns were observed to change significantly with broiler age and weight.
  • A statistically significant correlation (P<0.001) was found between vocalization frequency and bird age.
  • Specific sound frequencies were identified in relation to the birds' developmental stage.

Conclusions:

  • Broiler chicken vocalizations exhibit age- and weight-dependent patterns.
  • Audio monitoring offers a promising, non-invasive method for assessing the health and status of farmed broiler chickens.
  • Further research can refine audio analysis for real-time welfare and health management in poultry farming.