Benzoic acid and Salmonella: The latest knowledge

Recent European Union regulations have called for a reduction of infection levels of Salmonella in on-farm pigs. Ongoing research indicates that using benzoic acid in pig feed may be one element of the answer.     By Dr Christophe Paulus, Dr Matthias Wiemann and Dr Rolando Valientes, DSM Nutritional Products The antimicrobial effects of organic acids on food-borne pathogenic bacteria have been well known since antiquity. Organic acids are still used as food and feed preservatives in