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Landmark egg production study reveals reduction in environmental impact over past 50 years
Date:1/24/2014

PARK RIDGE, Ill., (January 24, 2014) A new study published in Poultry Science shows that while U.S. egg production has increased over the past 50 years, the industry has also been able to significantly decrease its environmental footprint. Researchers conducted a lifecycle analysis of U.S. egg production from 1960 to 2010 to evaluate environmental performance measures for the complete lifecycle from crops to hens to the farm gate. Study findings indicate that the environmental efficiencies are the result of a wide range of factors, including the reduction of natural resource use, improved hen feed, better disease control and advancements in hen housing systems.

"The U.S. egg industry has evolved remarkably over the past five decades by incorporating new technologies to protect natural resources," said Hongwei Xin, agricultural and biosystems engineering and animal science professor at Iowa State University, director of the Egg Industry Center and the study's lead researcher. "Egg farmers have improved their production practices, allowing them to provide an affordable source of high-quality protein while using fewer resources and producing less waste."

Key results of the study found that compared to 1960:

  • The egg production process releases significantly less polluting emissions, including 71 percent lower greenhouse gas emissions.
  • Hens now use 32 percent less water per dozen eggs produced.
  • Today's hens use a little over half the amount of feed to produce a dozen eggs.
  • At the same time, today's hens produce 27 percent more eggs per day and are living longer.

A Closer Look at the Findings

Due to increased feed efficiency, advancements in hen housing and manure management, egg farms now use less water and energy on a daily basis and release less polluting emissions.
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Contact: Egg Media Hotline
info@incredible-egg.org
855-344-7411
Edelman Public Relations
Source:Eurekalert

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