Impact of global warming on livestock inside confined ... · Günther Schauberger . Speaker of the...
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Günther Schauberger Speaker of the PiPoCooL Consortium funded by COP 24 Katowice Dec 6, 2018 Climate Change Centre Austria CCCA Accelerating the Transformation to Carbon-Neutrality: Perspectives on Technology, Economy and Agriculture
Impact of global warming on livestock inside confined buildings
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G. Schauberger
Confined Livestock Buildings
© reavesbuildings.com
Implication Indoor temperature during summer time at least 3°C higher than outdoor temperature
Building Ventilation
Animals Sensible heat Latent heat
CO2 NH3
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G. Schauberger
Starting point
Impact of heat stress on farm animals Limitation of animal performance
• Well-being • Health (e.g. increase of mortality) • Performance (e.g. daily weight gain, milk
yield, laying performance, feed conversion ratio)
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G. Schauberger
Outcome Example: Fattening pigs in Central Europe
Outdoor 6 h / a
Indoor 8 h / a ~ 13% / 10a
Time trend of heat stress
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G. Schauberger
• Earth-air heat exchanger EAHE
• Direct evaporative cooling: Cooling pads
• Indirect evaporative cooling: Cooling pads combined with a regenerative heat exchanger
Solutions to mitigate heast stress
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Energy saving air treatment devices
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G. Schauberger
Adaptation measures AM Example: Fattening pigs in Central Europe
Air treatment
Reference w/o AM
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G. Schauberger
Conclusions
Adaptation measures reduce heat stress
Resilience can be increased
Energy saving air treatment devices are most effective
Heat stress reduction between 60 and 100%
Impact of global warming on farm animals in temperate climates