Study Reveals Seasonal Trends in Broiler Discomfort for Enhanced Welfare in Commercial Poultry Production

Strategic Insights -

Researchers at State University of Campinas (UNICAMP) have made a significant discovery in understanding how environmental conditions affect broiler comfort across different seasons. The study aimed to identify the relationship between housing environment, litter conditions, and broiler discomfort at different growth stages using data collected from two flocks reared during winter and summer. The findings provide actionable insights for automating welfare monitoring in commercial broiler production, offering valuable information for season-specific management strategies.

Key Takeaways:

  • The study found that discomfort was significantly higher during winter, particularly in weeks 1 and 6, likely due to thermal instability and rising ammonia levels.
  • Summer flocks exhibited more stable comfort profiles, with better temperatures and air quality.
  • The predictive model achieved a high test accuracy (97.1%) and identified broiler weight, ammonia, and temperature as the strongest predictors of discomfort.
  • The study highlighted the importance of season-specific management strategies for enhancing broiler welfare in commercial poultry production.
  • The research used a Random Forest model to explore associations and predict comfort status, providing a valuable tool for automating welfare monitoring in commercial broiler production.
  • The study's findings have implications for precision livestock farming, offering insights for integrating predictive models into automated welfare monitoring systems.

Statistics:

  • Discomfort was significantly higher during winter, particularly in weeks 1 and 6, with a maximum discomfort of 43.1% recorded in week 6.
  • Summer flocks exhibited a more stable comfort profile, with an average comfort level of 83.4%.
  • The predictive model achieved a high test accuracy of 97.1% in predicting discomfort status.
  • The study identified broiler weight, ammonia, and temperature as the strongest predictors of discomfort, accounting for 71.9% of the variance in discomfort.

Sources:

  • Horseman, D. J. et al. Modeling Broiler Discomfort Under Commercial Housing: Seasonal Trends and Predictive Insights for Precision Livestock Farming. Poultry, 2025, 4(3):38.

https://doi.org/10.3390/poultry4030038

  • NewsRx. Studies in the Area of Livestock Reported from State University of Campinas (UNICAMP) (Modeling Broiler Discomfort Under Commercial Housing: Seasonal Trends and Predictive Insights for Precision Livestock Farming). Agriculture Week. October 16, 2025; p 5435.