For cold enrichment and recovery of Yersinia enterocolitica and Yersinia pseudotuberculosis from foods. This medium is prepared by using synthetic detergent in place of bile salts that make the medium free of BSE/TSE risks. Yeast Extract Rose Bengal Broth Base (Veg) is the modification of Yeast Extract Rose Bengal Broth Base which is formulated as recommended by APHA for enrichment of Yersinia species from foods. Yeast extract provides essential nutrients. Synthetic detergent inhibits gram-positive organisms. Salts help in cold enrichment of Yersinia species. Yersinia enterocolitica and Yersinia pseudotuberculosis can grow at 4°C, so primary enrichment is carried out in this medium for 9 days at 4°C or 3 days at 10°C.