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An in vitro model for studies on bacterial interactions in the avian caecum

An in vitro intermittent‐flow model was developed for studying bacterial interactions in the avian caecum. The model provides a closer simulation of caecal conditions than others described previously but does not require elaborate instrumentation. In preliminary trials, growth of caecal bacteria from an adult chicken was shown to be inhibitory to both Salmonella infantis and entero‐haemorrhagic Escherichia coli.