Study
Human FactorsHigh ImpactStrong effect

Environmental Enrichment Enhances Laying Hen Resilience to Stressors

Providing environmental enrichments that promote positive affective states in laying hens can significantly improve their ability to cope with and recover from stressful situations.

The Atrium (University of Guelph) · 2018

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Key Findings

  • 01Hens in enriched environments showed more positive appraisals of aversive stimuli, indicated by diminished defensive reflex responses.
  • 02Enriched hens demonstrated improved coping mechanisms after stress exposure, evidenced by reduced autonomic stress responses and faster recovery.
  • 03Individual hens did not exhibit consistent response patterns across different resilience measures, suggesting resilience may not be a unitary construct in this species.
02

Application

Design takeaway

Incorporate environmental enrichments that foster positive affective states to enhance the resilience of laying hens to stressors.

How to apply

When designing or managing environments for laying hens, prioritize the inclusion of features that encourage exploration, foraging, and other positive behaviors.

Project actions

  • 01Consider how environmental factors can influence the well-being and stress response of living organisms.
  • 02When measuring resilience, use multiple indicators to get a comprehensive understanding.
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Method & Evidence

AimTo investigate whether environmental enrichments, designed to foster positive affective states, improve resilience in laying hens when exposed to stressors.
MethodComparative study
ProcedureLaying hens were housed in two conditions: 'Enriched' environments designed to promote positive affective states, and 'Control' environments designed to minimize both positive and negative affect. Resilience was assessed through measures of appraisal (inferred from defensive reflex responses) and coping (inferred from autonomic stress responses and recovery rates) after exposure to aversive stimuli.
ContextAnimal welfare in agricultural settings

Variables

IVEnvironmental enrichment (Enriched vs. Control)
DVResilience components: appraisal (defensive reflex responses) and coping (autonomic stress responses, recovery time)
CVSpecies (laying hens), age, general housing conditions (apart from enrichment), type of stressor
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Strengths & Limitations

Strengths

  • +Investigated a practical application of environmental enrichment for animal welfare.
  • +Used multiple measures to infer resilience components.

Limitations

The study's findings on the unitary construct of resilience may not be generalizable to all species or all types of stressors.

Reliability & validity

Reliability of resilience measures across individuals was questioned. Validity of inferring appraisal and coping from specific responses would need further substantiation.

Think critically

If resilience is not a unitary construct, how should designers approach creating environments that support diverse coping strategies?

05

Design Principles

"Environmental design can positively influence an organism's psychological state, thereby enhancing its capacity to manage stress."

Understanding how environmental factors influence an animal's resilience is crucial for designing more humane and productive farming systems. This research offers insights into how to create environments that not only meet basic needs but also actively support an animal's psychological well-being, leading to better welfare and potentially improved productivity.

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What This Means for Your Design

Giving chickens more interesting things to do in their homes makes them less bothered by scary things and helps them get back to normal faster.

How to use in your project

  • 1.This study can inform the design of experiments investigating the impact of environmental factors on stress responses in various organisms.
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Add to My Project

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Quick Cite

(2018). Hens with Benefits: Enrichments' Effects on Resilience in Laying Hens. The Atrium (University of Guelph). Retrieved from https://designdex.org/study/56d494ee-843d-48a6-8c4d-aeb1f45ae652/environmental-enrichment-enhances-laying-hen-resilience-to-stressors

Paragraph starter

This research demonstrates that environmental enrichments, by fostering positive affective states, can significantly enhance the resilience of laying hens to stressors. The study found that enriched hens exhibited more positive appraisals and improved coping mechanisms when faced with aversive stimuli, suggesting that thoughtful design of living environments can directly contribute to improved welfare and stress management.

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Source

The Atrium (University of Guelph)

Hens with Benefits: Enrichments' Effects on Resilience in Laying Hens

journal · 2018

View source

Questions about this research

What does the research say about environmental enrichment enhances laying hen resilience to stressors?
Incorporate environmental enrichments that foster positive affective states to enhance the resilience of laying hens to stressors. Evidence: The Atrium (University of Guelph) (2018).
Why does "Environmental Enrichment Enhances Laying Hen Resilience to Stressors" matter for design?
Understanding how environmental factors influence an animal's resilience is crucial for designing more humane and productive farming systems. This research offers insights into how to create environments that not only meet basic needs but also actively support an animal's psychological well-being, leading to better welfare and potentially improved productivity.
How can designers apply this research?
Incorporate environmental enrichments that foster positive affective states to enhance the resilience of laying hens to stressors.
What were the main findings?
Hens in enriched environments showed more positive appraisals of aversive stimuli, indicated by diminished defensive reflex responses.. Enriched hens demonstrated improved coping mechanisms after stress exposure, evidenced by reduced autonomic stress responses and faster recovery.. Individual hens did not exhibit consistent response patterns across different resilience measures, suggesting resilience may not be a unitary construct in this species.
What research method was used?
Comparative study.
How strong is the evidence?
Evidence strength is rated Strong effect, based on a 2018 journal from The Atrium (University of Guelph).
What should I do differently in my next project?
When designing or managing environments for laying hens, prioritize the inclusion of features that encourage exploration, foraging, and other positive behaviors.
What are the limitations?
Resilience was inferred from specific behavioral and physiological measures, and the study did not establish resilience as a single, consistent trait across all individuals.
Is there evidence that laying hens affects design outcomes?
Laying hens in enriched environments were better at appraising stressful situations positively and coping with them effectively, although individual resilience varied. Understanding how environmental factors influence an animal's resilience is crucial for designing more humane and productive farming systems. This resea Source: The Atrium (University of Guelph) (2018).
Where does this resilience research apply?
Animal welfare in agricultural settings It sits within human factors research on designdex.org.

Related research topics

laying hens design research · evidence on laying hens · does laying hens improve design outcomes · resilience studies for designers · laying hens and resilience findings · human factors research evidence