. A text-book of bacteriology; a practical treatise for students and practitioners of medicine. Bacteriology. 566 PATHOGENIC MICROORGANISMS is comparatively simple, both because of the ease of its cultivation and because of the sharply characteristic features of its morphological and cultural appearance. Cultivation.—The anthrax bacillus is an aerobic, facultatively anaero- bic bacillus. WTiile it may develop slowly and sparsely under anaerobic conditions, free oxygen is required to permit its luxuriant and charac- teristic growth. The optimum temperature for its cultivation ranges about °
. A text-book of bacteriology; a practical treatise for students and practitioners of medicine. Bacteriology. 566 PATHOGENIC MICROORGANISMS is comparatively simple, both because of the ease of its cultivation and because of the sharply characteristic features of its morphological and cultural appearance. Cultivation.—The anthrax bacillus is an aerobic, facultatively anaero- bic bacillus. WTiile it may develop slowly and sparsely under anaerobic conditions, free oxygen is required to permit its luxuriant and charac- teristic growth. The optimum temperature for its cultivation ranges about ° C. It is not, however, delicately susceptible to moderate variations of tem-. FiG. 122.—Bacillus anthracis. In smear of spleen of animal dead of anthrax. perature and growth does not cease until temperatures as low as 12° C. or as high as 45° G. are reached. By continuous cultivation at some of the temperatures near either the higher or the lower of these limits, the bacillus may become well adapted to the new environment and attain luxuriant growth.' The anthrax bacillus may be cultivated on all of the usual artificial media, growing upon the meat-extract as well as upon the meat-infusion media. > ' Dieudonne, Arb. a. d. kais. Gesundheitsamt, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hiss, Philip Hanson, 1868-1913; Zinsser, Hans, 1878-1940. joint author. New York and London, D. Appleton and Company
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