Welcome to Chinese Agricultural Science Bulletin,

Chinese Agricultural Science Bulletin ›› 2019, Vol. 35 ›› Issue (7): 158-164.doi: 10.11924/j.issn.1000-6850.casb18040017

Special Issue: 生物技术 水产渔业

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Different Concentrations of Cyanotis arachnoidea Extracts in Feed Affect Macrobrachium rosenbergii Growth, Protein Metabolism and Nutritional Components in Muscle

  

  • Received:2018-04-03 Revised:2019-01-17 Accepted:2018-12-20 Online:2019-03-04 Published:2019-03-04

Abstract: The paper aims to study the effects of adding different concentrations of Cyanotis arachnoidea (CA) extracts in feed on the growth, protein metabolism and nutritional components in muscle of Macrobrachium rosenbergii. Adding 7.5, 67.5 mg/kg CA to the basic diet which was the control group, we made 3 kinds of feed with equal energy and nitrogen, and did the feeding test for 8 weeks. The results showed that: adding 7.5 mg/kg CA in basic diet had no significant effect on the growth performance, feed utilization, enteric and hepatic digestive enzyme (protease, lipase and amylase) activities, hepatic aminotransferase (alanine aminotransferase and aspartate aminotransferase) activities, muscular nutrient composition (moisture, crude protein, crude lipid and ash) and muscular fatty acids contents; however, adding 67.5 mg/kg CA significantly improved the growth performance, feed utilization, enteric protease activity, hepatic AST activity and muscular delicious amino acids (aspartic acid, glutamic acid and glycine) and crude protein contents of Macrobrachium rosenbergii.

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