Techniques for the Study of Mixed Populations

acid activity added addition agar amount anaerobic analysis animal aquatic bacteria batch carbon caudatum cell changes chemostat ciliate Coleman complete concentration containing continuous culture Coulter count cytoplasm dependent depth derived described determined digester dilution rate distribution effect enrichment epiphytes estimated experiments feeding fermentation flora flow glucose grow growth habitat heat heterotrophic HOBSON important increased incubation initial inoculation interactions isolated leaves limited liquid litres London material measured medium methane method microbial Microbiol mixed cultures natural nitrate numbers nutrient observed obtained occur organisms oxygen particles particular pellet plant plates population possible prepared present pressure production proportional protozoa reduced removed rumen sample selection serum bottle shown shows solution species substrate surface suspension Table technique temperature tion tube uptake viable volume weight yield