Hops extract may reduce Clostridium in chickens

Source of Article: http://members.ift.org/IFT/Pubs/Newsletters/weekly/nl_110508.htm

November 5, 2008

A new study from the U.S. Department of Agriculture’s Agricultural Research Service shows that hops contain substances that control pathogenic bacteria in the intestines of chickens.

The hop plant (Humulus lupulus) contains bitter acids known to be potent antimicrobials, including lupulone, which is believed to control levels of the disease-causing agent Clostridium perfringens in chickens. Researchers examined the effect of feeding different concentrations of lupulone to broiler chickens to determine the compound’s impact on Clostridium populations in the intestinal tracts of birds inoculated with C. perfringens.

After 22 days—the timeframe associated with clostridial disease in broiler chickens—C. perfringens counts were significantly reduced in the lupulone-treated group compared to another group of chickens that did not receive the lupulone treatment. The reductions ranged from 30 to 50 percent.

This research was published in the Journal of Antimicrobial Chemotherapy.

Journal of Antimicrobial Chemotherapy

Agricultural Research Service Press Release



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