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Feeding behaviour patterns in relation to body weight and gait in broilers.

Malou van der Sluis1, Britt de Klerk2, István Fodor1

  • 1Animal Breeding and Genomics, Wageningen University & Research, 6700 AH, Wageningen, the Netherlands.

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Summary

Individual broiler feeding patterns, tracked by RFID, reveal insights into growth. Heavier birds at 14 days visited fewer feeders, while greater weight gain correlated with visiting more feeders and shorter feeding bouts.

Keywords:
ChickensFeeder visitsFootpad dermatitisHock burnRFID

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Area of Science:

  • Animal Science
  • Agricultural Engineering
  • Ethology

Background:

  • Assessing broiler health, welfare, and performance in group settings is challenging due to individual identification difficulties.
  • Broiler behavior patterns, particularly feeding, offer valuable insights into their condition.

Purpose of the Study:

  • To investigate individual feeding patterns of group-housed broilers.
  • To explore the relationship between feeding behavior, body weight, and weight gain.
  • To assess the potential of feeding patterns as indicators for broiler growth.

Main Methods:

  • Utilized Radio Frequency Identification (RFID) tags to monitor feeder visits of 58 individual broilers within a group of approximately 800.
  • Collected data on feeder visits, feeding durations, body weights, and gait scores from 20 to 35 days of age.
  • Analyzed the correlation between feeding descriptors (number of feeders visited, feeding bout duration) and body weight metrics.

Main Results:

  • Individual feeding patterns varied among broilers and sometimes changed with age.
  • Higher initial body weight at 14 days was associated with visiting fewer feeders and longer feeding bouts.
  • Greater weight gain between 14 and 35 days correlated with visiting more feeders and shorter feeding bouts.
  • No significant relationship was found between feeding patterns and gait classification.

Conclusions:

  • Feeding patterns are distinct for individual broilers in group housing.
  • Observed relationships between feeding patterns and weight gain suggest their utility in research and commercial broiler management.
  • Feeding behavior analysis can provide valuable information for monitoring broiler growth and performance.