Journal
AQUACULTURE NUTRITION
Volume 24, Issue 1, Pages 424-433Publisher
WILEY
DOI: 10.1111/anu.12574
Keywords
biological parameters; black soldier fly (Hermetia illucens) larvae meal; fatty acid composition; fish meal replacement; proximate composition; serum biochemical parameters
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Funding
- Yangling Demonstration Area of Agricultural Technology Demonstration Promotion Capacity Upgrade Project [2014-TS-36]
- Shaanxi Science and Technology Innovation Project Plan [2015KTTSNY01-05]
- Fishery Infrastructure Construction Project of Shaanxi Fisheries Bureau [k332021506]
- Fundamental Research Funds for the Central Universities [QN2011104]
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To explore the effect of replacing dietary fish meal (FM) with black soldier fly (Hermetia illucens) larvae meal (BSFLM) on growth and body composition of Jian carp (Cyprinus carpio var. Jian), the FM in basal diet of Jian carp was replaced by 0, 35, 70, 105 and 140 g/kg BSFLM respectively to form five isonitrogenous and isolipidic diets. A total of 300 Jian carp (10.1 +/- 1.6g) were randomly divided into five groups (triplicate per group) and fed five diets, respectively. After 56days of feeding, growth and body composition of fish were determined. Results showed that serum maleic dialdehyde, total antioxidant capacity, 18:1n-9, 18:2n-6, 20:5n-3 and 22:6n-3 in fish significantly decreased and 12:0, 14:0 and 16:0 significantly increased with increasing replacement of BSFLM. The growth, biological parameters, proximate composition, amino acid composition and serum biochemical parameters of Jian carp were not affected by the replacement of BSFLM. In conclusion, up to 140g/kg BSFLM (100% replacement of FM) can be included in diets of Jian carp without unfavourable effects on growth while decreasing n-3 highly unsaturated fatty acid (HUFA) composition in body of fish, suggesting that BSFLM could be used after nutrient enrichment with n-3 HUFA to bring active effects on fish quality.
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