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Related Concept Videos

Complementation Tests00:49

Complementation Tests

A complementation test is a simple cross to identify whether the two mutations are located on the same gene or different genes. It was first performed by Edward Lewis in the 1940s while working on fruit flies. He developed the test to identify the location and arrangement of different mutations on chromosomes.
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Related Experiment Video

Updated: Jun 19, 2026

Evaluation of Auditory Brainstem Response in Chicken Hatchlings
09:32

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Published on: April 1, 2022

Resilience indicator traits in chickens: a systematic review.

Lisa Büttgen1, Malou van der Sluis1, Stina Auerbach2

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

Poultry Science
|June 17, 2026
PubMed
Summary

This review identifies key indicators of chicken resilience to stress, focusing on immune and thermal challenges. It highlights a need for standardized terminology and further research into behavioral indicators and recovery phases.

Keywords:
BreedingChickenResilienceSystematic reviewTraits

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Area of Science:

  • Animal Science
  • Veterinary Medicine
  • Genetics

Background:

  • Animal resilience is crucial for coping with short-term disturbances like pathogen exposure.
  • Understanding resilience indicators in chickens is vital for improving animal welfare and productivity.
  • Previous research has explored various indicators, but a comprehensive overview is lacking.

Purpose of the Study:

  • To systematically review and identify resilience indicators studied in chickens.
  • To analyze the contexts and stressors under which these indicators were examined.
  • To identify research gaps in chicken resilience assessment.

Main Methods:

  • A systematic literature review was conducted using predefined search criteria including 'chickens', stress exposure, and 'resilience'.
  • AI-based tool ASReview assisted in screening titles and abstracts, followed by full-text analysis.
  • 33 relevant publications were identified and analyzed based on selection criteria.

Main Results:

  • The majority of studies focused on immune (13) or thermal (14) challenges, particularly heat stress.
  • Production/performance and immunity/disease parameters were most frequently studied resilience indicators.
  • Genetics/gene expression indicators were included in about half of the studies; behavioral indicators were limited (4).

Conclusions:

  • This review offers a comprehensive overview of published chicken resilience indicators and identifies significant research gaps.
  • There is a need for controlled use of terms like resilience, robustness, resistance, tolerance, and adaptability.
  • Assessing the recovery phase after disturbance is relevant for a complete understanding of chicken resilience.