Date: 4.1.2011
Catnip, the plant that attracts domestic cats like an irresistible force, has proven 99 percent effective in repelling the blood-sucking flies that attack horses and cows, causing $2 billion in annual loses to the cattle industry. That's the word from a report published in ACS' Journal of Agricultural and Food Chemistry.
Junwei Zhu and colleagues note that stable flies not only inflict painful bites, but also transmit multiple diseases.
They made pellets of catnip oil, soy, and paraffin wax, and spread them in a cattle feedlot. Within minutes, the pellets shooed the flies away, with the repellent action lasting for about three hours. Pellets without catnip oil, in contrast, had no effect. The scientists now are working on making the repellent action last longer, which they say is the key to putting catnip to use in protecting livestock both in feedlots and pastures.
Original Paper:
Junwei J. Zhu, Christopher A. Dunlap, Robert W. Behle, Dennis R. Berkebile, Brian Wienhold. Repellency of a Wax-Based Catnip-Oil Formulation against Stable Flies. Journal of Agricultural and Food Chemistry, 2010; 58 (23): 12320 DOI: 10.1021/jf102811k
Source:
http://www.sciencedaily.com/releases/2010/12/101208125811.htm
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