A Study of Salmonella Pullorum and Pullorum Disease in the Chick Employing Infrared Spectroscopy

The occurrence of toxic fractions associated with the cell wall of gram negative microorganisms has been investigated and reported by many workers. These reports have been based on results from a limited number of strains of various organisms from which the fractions have been extracted in many different ways. From these reports there appears a mass of information confirming the nature or the fractions as consisting of a complex of lipid, carbohydrate and protein.