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Organic Acids Suppress ASF Virus in Feed


According to Dr. Tom Burkgren, Executive Director of the American Association of Swine Veterinarians, quoted in the November 15th edition of the Journal of the American Veterinary Medical Association, organic acids are efficient at suppressing African Swine Fever (ASF) and many other viruses in feed. Concern is raised over ASF which can survive in feed ingredients for up to 30 days suggesting that imported animal-protein ingredients could introduce infection. It is suspected that the extensive porcine epidemic diarrhea outbreak was introduced to North America in 2014 on contaminated feed bags.

The suggestion by Dr. Burkgren that imported additives including vitamins and amino acids from China may introduce a disease is highly speculative, is not supported by assays and is unlikely. Animal byproducts, however, could serve as a suitable vehicle of infection. Organic acids available commercially as Termin-8® and SalCurb® are approved feed additives and are

effective against non-spore forming bacteria and a wide range of viruses.