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Third part of swine study establishes odor evaluation based on dilution olfactometry     Send a link to a friend

[DEC. 11, 2003]  URBANA -- A major problem confronting researchers seeking ways to reduce swine waste odor involves methods for measuring the level of odor. Without such a standard, discussion of the problem is largely subjective. A project funded by the state of Illinois through the Illinois Council on Food and Agricultural Research has solved this problem.

Susan Brewer, a professor in the U of I Department of Food Science and Human Nutrition, dealt with human evaluation of swine waste odor.

The project was part of a $6 million effort funded by C-FAR on swine odor and waste management. The results of many of the studies will be presented Dec. 11-12 at the U of I Pork Industry Conference. People interested in attending the conference should contact Gilbert Hollis at (217) 333-0013 or hollisg@uiuc.edu.

Brewer's work focused on correlating chemical identification of odorous compounds with odor offensiveness of the air in and around swine houses as determined by a panel and on establishing an odor evaluation panel based on dilution olfactometry.

 

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"This project was linked closely with two other projects," she explained, referring to other parts of the overall C-FAR program. "In addition, this project provided an analytical service for other efforts in the program dealing with testing the efficacy of various odor-reduction strategies."

Brewer said that the study has produced the methods, equipment and human resources for human evaluation of odor offensiveness and strength.

[University of Illinois news release]

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