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Anaerobic Microorganisms in the Digestive Tract of the Crayfish Pacifastacus leniusculus Dana
Mickeniene LM 
Published Online: 6/1/2020
Abstract
Investigation was performed on anaerobic microflora in the digestive tract of the signal crayfish Pacifastacus leniusculus Dana fed natural diets. 3.8 x 108 viable bacteria (anaerobic + facultative) were detected in Ig of the contents of the intestine tract. Aerobic bacteria comprised 60% of the total bacteria isolated. Anaerobic gram-negative, small, non-motile rods were predominant. Gram-positive, spore-forming rods; gram-negative, large rods; cocci were also detected. When rearing microorganisms of the digestive tract contents in anaerobic conditions a higher diversity of morphological groups of microorganisms was revealed.
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Mickeniene LM. (1988). Anaerobic Microorganisms in the Digestive Tract of the Crayfish Pacifastacus leniusculus Dana. Freshwater Crayfish 7(1):385-389. doi: 10.5869/fc.1988.v7.385
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