The nutritional requirements of the Genus Salmonella, especially of such particular members as S. typhi (1, 2), S, gallinarum and S. pullorum(2), etc, have long been investigated. Salmonella organisms were classified by Hohn et al. (3) into two categories, Ammonium strong and Ammonium weak, according to their ability to grow in the ammonium synthetic medium. In 1946 Lederberg and Tatum(4) studi...
