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Related Experiment Videos

Vibration on poultry transporters

J M Randall1, W V Streader, A M Meehan

  • 1AFRC Silsoe Research Institute, Silsoe, Bedford, England.

British Poultry Science
|September 1, 1993
PubMed
Summary

This study measured vibration acceleration in broiler transporters. Air suspension showed higher lateral vibration, and overall levels may cause discomfort to birds.

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Area of Science:

  • Agricultural Engineering
  • Animal Welfare Science
  • Transportation Engineering

Background:

  • Broiler transport involves significant vibration exposure.
  • Understanding vibration is crucial for animal welfare and product quality.
  • Different suspension systems (leaf vs. air) may impact vibration levels.

Purpose of the Study:

  • To quantify vibration acceleration magnitudes and frequencies in broiler transporters.
  • To compare vibration characteristics between leaf and air suspension systems.
  • To assess the potential impact of measured vibrations on broiler welfare.

Main Methods:

  • Utilized triaxial accelerometers to measure vibration.
  • Measurements were taken on the chassis and within bird containers.
  • Tested both loaded and unloaded vehicles with leaf and air suspension.

Main Results:

  • Vertical axis fundamental frequency ranged from 1-2 Hz with a secondary peak at 10 Hz.
  • Air suspension exhibited higher lateral chassis vibration (12-18 Hz) compared to leaf suspension.
  • Vibration levels in bird containers were comparable to human discomfort thresholds.

Conclusions:

  • Vibration characteristics differ significantly between leaf and air suspension systems.
  • Measured vibration levels suggest potential welfare concerns for broiler chickens.
  • Further research is needed on frequency weightings and axis-specific responses to predict bird reactions accurately.

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