Rolly and Liebermeister,1 two German investigators, have undertaken to discover experimentally the causes of the destruction of bacteria in the small intestine. Rabbits were employed by these investigators. Their first effort was to find out if the contents of the small intestine were sterile or not. They showed by the number of colonies on agar plates that there were only a small number of bacteria present, there being more in the lower ileum. They next wished to discover if bacteria introduced into the small intestine were killed or their growth hindered. Various kinds of bacteria were introduced into the intestine, the stomach having been previously cut off to prevent the entrance of its contents. The results were the same with all the bacteria employed. It was found that the bacteria, if not too many, were destroyed in part by the intestine, some of them being removed by peristalsis, so
CAUSES OF THE DESTRUCTION OF THE BACTERIA IN THE SMALL INTESTINE. JAMA. 1905;XLV(19):1408–1409. doi:10.1001/jama.1905.02510190044007
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