Study
Human FactorsHigh ImpactStrong effect

Environmental enrichment in pig housing improves productivity and reduces stress indicators.

Providing pigs with moderate environmental enrichment, such as straw and wood shavings, leads to improved growth rates and reduced instances of post-weaning diarrhea.

Työväentutkimus Vuosikirja · 2009

01

Key Findings

  • 01Enriched housing increased average daily gain in pigs.
  • 02Enriched housing decreased post-weaning diarrhea.
  • 03Barren housing or experience of it caused signs suggestive of chronic stress.
  • 04Stress indicators were not directly associated with productivity in the studied measures.
  • 05Stall housing for sows decreased early pregnancy disruption and increased pregnancy rates.
02

Application

Design takeaway

Incorporate elements of environmental enrichment into the design of animal housing to promote better health and productivity.

How to apply

When designing or specifying animal enclosures, include features that allow for natural behaviors and sensory stimulation, such as bedding materials or manipulable objects.

Project actions

  • 01Consider the sensory and behavioral needs of the user (in this case, an animal) when designing their environment.
  • 02Think about how the physical space can impact the user's physiological and psychological state.
03

Method & Evidence

AimTo investigate the relationship between environmental enrichment, stress levels, and productivity in growing and reproducing pigs.
MethodExperimental study
ProcedureFour studies were conducted. Studies I and II involved housing growing pigs (0-21 weeks) in either barren or enriched pens (with straw and wood shavings), manipulating the timing of enrichment. Study III compared the fertility of sows housed individually versus in groups. Stress was measured through behavior and basal cortisol secretion, while productivity was assessed by daily gain and pregnancy rates.
ContextCommercial pig production

Variables

IV["Type of housing (barren vs. enriched)","Timing of environmental enrichment"]
DV["Average daily gain","Post-weaning diarrhea incidence","Basal cortisol secretion","Behavioral indicators of stress","Fertility/Pregnancy rates"]
CV["Age of pigs","Genetics of pigs","Basic pen structure (excluding enrichment)"]
04

Strengths & Limitations

Strengths

  • +Multiple studies addressing different aspects of the problem.
  • +Inclusion of both behavioral and physiological measures of stress.

Limitations

The study focused on pigs, so direct application to other species may require further research. The specific types and amounts of enrichment might need adjustment for different contexts.

Reliability & validity

The study's reliability could be assessed by the consistency of findings across different enrichment regimes and pig ages. Validity is supported by the use of multiple measures for stress and productivity.

Think critically

If stress indicators were not directly linked to productivity, what other factors might be at play, and how could they be investigated?

05

Design Principles

"Environmental complexity positively influences biological performance and well-being."

This research highlights how seemingly minor adjustments to an animal's living environment can have significant positive impacts on their well-being and output. For designers working in agricultural or animal husbandry contexts, understanding the link between environmental design and biological outcomes is crucial for creating more effective and humane systems.

06

What This Means for Your Design

Making animal homes more interesting with things like straw makes them grow better and get sick less often.

How to use in your project

  • 1.Use this research to justify the inclusion of specific environmental features in your design, linking them to improved user outcomes.
07

Add to My Project

08

Quick Cite

(2009). Housing, stress and productivity : studies in growing and reproducing pigs. Työväentutkimus Vuosikirja. Retrieved from https://designdex.org/study/0b8f600b-23f8-4fd0-b178-5df414e94720/environmental-enrichment-in-pig-housing-improves-productivity-and-reduces-stress-indicators

Paragraph starter

Research indicates that environmental enrichment in animal housing, such as the provision of straw and wood shavings, significantly enhances productivity metrics like average daily gain and reduces instances of post-weaning diarrhea. This suggests that designing environments that cater to natural behaviors and provide sensory stimulation can lead to improved welfare and performance, a principle applicable to various design contexts where user well-being is paramount.

09

Source

Työväentutkimus Vuosikirja

Housing, stress and productivity : studies in growing and reproducing pigs

journal · 2009

View source

Questions about this research

What does the research say about environmental enrichment in pig housing improves productivity and reduces stress indicators?
Incorporate elements of environmental enrichment into the design of animal housing to promote better health and productivity. Evidence: Työväentutkimus Vuosikirja (2009).
Why does "Environmental enrichment in pig housing improves productivity and reduces stress indicators." matter for design?
This research highlights how seemingly minor adjustments to an animal's living environment can have significant positive impacts on their well-being and output. For designers working in agricultural or animal husbandry contexts, understanding the link between environmental design and biological outcomes is crucial for creating more effective and humane systems.
How can designers apply this research?
Incorporate elements of environmental enrichment into the design of animal housing to promote better health and productivity.
What were the main findings?
Enriched housing increased average daily gain in pigs.. Enriched housing decreased post-weaning diarrhea.. Barren housing or experience of it caused signs suggestive of chronic stress.. Stress indicators were not directly associated with productivity in the studied measures.
What research method was used?
Experimental study.
How strong is the evidence?
Evidence strength is rated Strong effect, based on a 2009 journal from Työväentutkimus Vuosikirja.
What should I do differently in my next project?
When designing or specifying animal enclosures, include features that allow for natural behaviors and sensory stimulation, such as bedding materials or manipulable objects.
What are the limitations?
The direct association between stress indicators and productivity was not established; causes for improved sow fertility in stall housing were not fully disclosed.
Is there evidence that environmental enrichment affects design outcomes?
Enriching the living environment for pigs, especially with materials like straw and wood shavings, leads to better growth and fewer health issues, while barren environments appear to cause chronic stress. While stress indicators weren't directly linked to productivity in this study, the environmental improvements clear Source: Työväentutkimus Vuosikirja (2009).
Where does this stress indicators research apply?
Commercial pig production It sits within human factors research on designdex.org.

Related research topics

environmental enrichment design research · evidence on environmental enrichment · does environmental enrichment improve design outcomes · stress indicators studies for designers · environmental enrichment and stress indicators findings · human factors research evidence