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Study finds healthy intestinal bacteria within chicken eggs
Date:6/3/2008

need to administer probiotics in ovo (in the egg) to get better results."

The idea that embryos are sterile in the egg and that chicks acquire their intestinal bacteria after hatching goes back to the 1960s, when early experiments using bacterial culturesoften Petri dishes with a growth mediumfailed to grow any bacteria. Newer DNA techniques such as those Pedroso and her colleagues used are much more sensitive, however, and aren't influenced by how well a bacterium grows in a dish.

"Previous assumptions were based on the use of cell cultures," Pedroso said, "but we now know that only 1 percent of bacteria in the biosphere can be cultured."


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Contact: Sam Fahmy
sfahmy@uga.edu
706-542-5361
University of Georgia
Source:Eurekalert

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