Featured Research

from universities, journals, and other organizations

No substantial quality difference between organically and conventionally produced eggs, study finds

Date:
July 8, 2010
Source:
USDA/Agricultural Research Service
Summary:
There's no substantial quality difference between organically and conventionally produced eggs. That's one of a number of findings in a new agricultural study examining various aspects of egg quality.

A new study finds no substantial quality difference between organically and conventionally produced eggs.
Credit: iStockphoto

There's no substantial quality difference between organically and conventionally produced eggs. That's one of a number of findings in an Agricultural Research Service (ARS) study examining various aspects of egg quality.

ARS food technologist Deana Jones and her team in the agency's Egg Safety and Quality Research Unit in Athens, Ga., found that, on average, there was no substantial quality difference between types of eggs. So, no matter which specialty egg is chosen, it will be nearly the same quality as any other egg.

About 6.5 billion dozen shell eggs are produced each year in the United States, with a value of about $7 billion, according to the U.S. Department of Agriculture (USDA) Economic Research Service.

The ARS team found the biggest difference was the size of egg within a carton between brown and white eggs. Though brown eggs weighed more, white shell eggs had higher percentages of total solids and crude fat. But, according to the study, there was no significant difference in the quality of white and brown eggs.

Quality is measured by Haugh units, named after Raymond Haugh. In 1937, he developed the Haugh unit as a correlation between egg weight and the height of the thick albumen, or thickest part of the egg white. The Haugh unit has become the most widely used measurement of interior egg quality and is considered to be the "gold standard" of interior egg quality determination.

Jones and her team conducted a survey of white and brown large-shell eggs with various production and nutritional differences such as traditional, cage-free, free-roaming, pasteurized, nutritionally-enhanced, and fertile. The goal was to determine if physical quality and compositional differences exist among these different eggs.

Among the claims most often addressed on shell egg cartons are: husbandry practices, hen nutrition, enhanced egg nutrition (omega-3), organic and fertile. Pricing for these products is typically at a premium but can vary from market to market.

This research was published in the journal Poultry Science.


Story Source:

The above story is based on materials provided by USDA/Agricultural Research Service. Note: Materials may be edited for content and length.


Journal Reference:

  1. D. R. Jones, M. T. Musgrove, K. E. Anderson, H. S. Thesmar. Physical quality and composition of retail shell eggs. Poultry Science, 2010; 89 (3): 582 DOI: 10.3382/ps.2009-00315

Cite This Page:

USDA/Agricultural Research Service. "No substantial quality difference between organically and conventionally produced eggs, study finds." ScienceDaily. ScienceDaily, 8 July 2010. <www.sciencedaily.com/releases/2010/07/100707102445.htm>.
USDA/Agricultural Research Service. (2010, July 8). No substantial quality difference between organically and conventionally produced eggs, study finds. ScienceDaily. Retrieved October 21, 2014 from www.sciencedaily.com/releases/2010/07/100707102445.htm
USDA/Agricultural Research Service. "No substantial quality difference between organically and conventionally produced eggs, study finds." ScienceDaily. www.sciencedaily.com/releases/2010/07/100707102445.htm (accessed October 21, 2014).

Share This



More Plants & Animals News

Tuesday, October 21, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

'Cadaver Dog' Sniffs out Human Remains

'Cadaver Dog' Sniffs out Human Remains

AP (Oct. 21, 2014) Where's a body buried? Buster's nose can often tell you. He's a cadaver dog, specially trained to find human remains and increasingly being used by law enforcement and accepted in courts. These dogs are helping solve even decades-old mysteries. (Oct. 21) Video provided by AP
Powered by NewsLook.com
White Lion Cubs Born in Belgrade Zoo

White Lion Cubs Born in Belgrade Zoo

AFP (Oct. 20, 2014) Two white lion cubs, an extremely rare subspecies of the African lion, were recently born at Belgrade Zoo. They are being bottle fed by zoo keepers after they were rejected by their mother after birth. Duration: 00:42 Video provided by AFP
Powered by NewsLook.com
Traditional Farming Methods Gaining Ground in Mali

Traditional Farming Methods Gaining Ground in Mali

AFP (Oct. 20, 2014) He is leading a one man agricultural revolution in Mali - Oumar Diatabe uses traditional farming methods to get the most out of his land and is teaching others across the country how to do the same. Duration: 01:44 Video provided by AFP
Powered by NewsLook.com
Goliath Spider Will Give You Nightmares

Goliath Spider Will Give You Nightmares

Buzz60 (Oct. 20, 2014) An entomologist stumbled upon a South American Goliath Birdeater. With a name like that, you know it's a terrifying creepy crawler. Sean Dowling (@SeanDowlingTV) has the details. Video provided by Buzz60
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:

Strange & Offbeat Stories


Plants & Animals

Earth & Climate

Fossils & Ruins

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins