Abstract
The cellulase activities of bacterial strains in the intestine of grass carp were analyzed, using filter paper and absorbent cotton as substrates and measuring the concentration of glucose by calorimetry. Six strains were isolated and determined high cellulase activity in all grass carp. Strains showed different abilities to produce cellulase, which suggests that they interact in the grass carp intestine to digest cellulose. The presence of cellulose activity suggests that grass carp have the ability to digest cellulose in the diet. The cellulase enzymatic activity increased dramatically after 6 days of culture and reached its peak at the 7th day. Microbes are probably the main source of cellulase in grass carp diets.
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Li, H., Zheng, Z., Cong-xin, X., Bo, H., Chao-yuan, W., Gang, H. (2008). Isolation of cellulose—producing microbes from the intestine of grass carp (Ctenopharyngodon idellus). In: Noakes, D.L.G., Romero, A., Zhao, Y., Zhou, Y. (eds) Chinese Fishes. Developments in Environmental Biology of Fishes, vol 28. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-3458-8_19
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DOI: https://doi.org/10.1007/978-90-481-3458-8_19
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