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- Title
Whole Black Soldier Fly Larvae (Hermetia illucens) as Dietary Replacement of Extruded Feed for Tambaqui (Colossoma macropomum) Juveniles.
- Authors
Ordoñez, Betselene M.; Santana, Thiago M.; Carneiro, Davison P.; dos Santos, Driely K. M.; Parra, Gustavo A. P.; Moreno, Luis C. C.; Teixeira Filho, Nelson P.; Aguilar, Fredy A. A.; Yamamoto, Fernando Y.; Gonçalves, Ligia U.
- Abstract
The black soldier fly (BSF, Hermetia illucens) is a prominent insect species and a novel alternative ingredient for aquafeeds. This study aimed to evaluate the replacement of commercial feed with fresh whole black soldier fly larvae (BSFL) for Colossoma macropomum. Juvenile tambaqui (115.2 ± 0.9 g/fish) were stocked in 800 L tanks (11 fish/tank) operating as a recirculating system. The dietary treatments consisted of whole larvae only (BSFL), 50:50 BSFL: commercial feed (BSFL: CF), or only commercial feed (CF), and the fish were fed to apparent satiation for 120 days. At the end of the feeding trial, fish were group weighed, and blood and muscle were collected for hematological and sensorial evaluations. Fish fed BSFL:CF presented with similar growth performance and carcass yield to tambaqui that were fed only CF. The high fat content of the larvae contributed to the highest values for the viscerosomatic index (7.01%; 6.56%), plasmatic triglycerides (312.1 mg/dL; 295.1 mg/dL), and cholesterol (120.6 mg/dL; 119.1 mg/dL) in the fish provided with BSFL or BSFL:CF, respectively. However, a better acceptance in the fillet sensory analysis was observed for these fillets than for the fillets from the CF group. Feeding tambaqui with BSFL:CF did not compromise the production performance and may have improved the acceptance of their fillets.
- Subjects
HERMETIA illucens; TAMBAQUI; FISH fillets; TRIGLYCERIDES; FISH carcasses
- Publication
Aquaculture Journal, 2022, Vol 2, Issue 4, p246
- ISSN
2673-9496
- Publication type
Article
- DOI
10.3390/aquacj2040014