“We found that there are volatile chemicals from the egg, a scent that you can capture and sort statistically,” said Tom Turpen, president and CEO of Sensit Ventures and senior author on the paper. Professor Zhou primarily studies immunogenetics, molecular genetics, functional genomics, and bioinformatics in poultry. Sex of the eggs was then confirmed by DNA analysis by study co-author, immunogeneticist Huajin Zhou, a professor of Animal Science. The air samples were analyzed using gas chromatography/mass spectrometry. To do this, the researchers adapted suction cups that are already in use to handle eggs on a massive scale to “sniff” air emitted by the eggs without opening them. (Credit: Tom Turpen / SENSit Ventures) Tom Turpen / SENSit Ventures Sampling of volatile chemicals uses suction cups like those used for industrial handling of eggs.
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