J Exp Med. 1962 June 1; 115(6): 1149–1160. THE FECAL FLORA OF VARIOUS STRAINS OF MICE. ITS BEARING ON THEIR SUSCEPTIBILITY TO ENDOTOXIN Russell W. Schaedler and René J. Dubos Adult mice from seven different colonies were studied with regard to (a) the numbers and types of bacteria that could be cultivated from their stools; [...]