Hermetia illucens and Poultry by-Product Meals as Alternatives to Plant Protein Sources in Gilthead Seabream ( Sparus aurata) Diet: A Multidisciplinary Study on Fish Gut Status
Basilio Randazzo,Matteo Zarantoniello,Gloriana Cardinaletti,Roberto Cerri,Elisabetta Giorgini,Alessia Belloni,Michela Contò,Emilio Tibaldi,Ike Olivotto +8 more
TLDR
In this article, poultry by-products and Hermetia illucens meal were used to replace the vegetable protein fraction in diets totally deprived of fish meal intended for gilthead seabream (Sparus aurata).Abstract:
The attempt to replace marine-derived ingredients for aquafeed formulation with plant-derived ones has met some limitations due to their negative side effects on many fish species. In this context, finding new, sustainable ingredients able to promote fish welfare is currently under exploration. In the present study, poultry by-products and Hermetia illucens meal were used to replace the vegetable protein fraction in diets totally deprived of fish meal intended for gilthead seabream (Sparus aurata). After a 12-week feeding trial, a multidisciplinary approach including histological, molecular, and spectroscopic techniques was adopted to investigate intestine and liver responses to the different dietary formulations. Regardless of the alternative ingredient used, the reduction in dietary vegetable proteins resulted in a lower incidence of intestine histological alterations and inflammatory responses. In addition, the dietary inclusion of insect meal positively affected the reduction in the molecular inflammatory markers analyzed. Spectroscopic analyses showed that poultry by-product meal improved lipid absorption in the intestine, while insect meal induced increased liver lipid deposition in fish. The results obtained demonstrated that both poultry by-products and H. illucens meal can successfully be used to replace plant-derived ingredients in diets for gilthead seabream, promoting healthy aquaculture.read more
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Use of black soldier fly (Hermetia illucens L.) larvae meal in aquafeeds for a sustainable aquaculture industry: A review of past and future needs
Kannan Mohan,Durairaj Karthick Rajan,Thirunavukkarasu Muralisankar,Abirami Ramu Ganesan,Palanivel Sathishkumar,Nagaraj Revathi +5 more
TL;DR: In this paper , the feasibility of using Hermetia illucens larval (BSFL) meal as an alternate protein source in aquaculture has been evaluated for feed, its sustainable production and challenges.
Journal ArticleDOI
Brewery by-products (yeast and spent grain) as protein sources in gilthead seabream (Sparus aurata) feeds
TL;DR: Two trials were conducted to test the effect of partial replacement of fishmeal by two brewery industry by-products, yeast and spent grain, included in isoproteic and isolipidic diets for gilthead sea bream, finding them to be a potential source of protein to reduce the use of plant proteins or fish/animal by- products (trimmings) and increase the sustainability of both sectors.
Journal ArticleDOI
Appetite Regulation, Growth Performances and Fish Quality Are Modulated by Alternative Dietary Protein Ingredients in Gilthead Sea Bream (Sparus aurata) Culture.
Lina Fernanda Pulido-Rodriguez,Gloriana Cardinaletti,Giulia Secci,Basilio Randazzo,Leonardo Bruni,Roberto Cerri,Ike Olivotto,Emilio Tibaldi,Giuliana Parisi +8 more
TL;DR: In this article, the authors compared growth, gene expression involved in appetite regulation, physical characteristics, and chemical composition of Sparus aurata fed alternative protein sources, including Hermetia illucens pupae meal (H), poultry byproduct meal (PBM), red swamp crayfish meal (RC10), and from a blend (2:1, w:w) of Tisochrysis lutea and Tetraselmis suecica (MA10) dried biomasses.
Journal ArticleDOI
Comparing black soldier fly (Hermetia illucens) larvae versus prepupae in the diets of largemouth bass, Micropterus salmoides: Effects on their growth, biochemical composition, histopathology, and gene expression
TL;DR: Although the nutritional value of BSFL and BSFP depends on their diet, this study clearly demonstrates that BSFL is better for M. salmoides compared to BSFP, which may be related to the high chitin content of the BSFP.
Journal ArticleDOI
Application of laboratory methods for understanding fish responses to black soldier fly (Hermetia illucens) based diets
Matteo Zarantoniello,Basilio Randazzo,Giulia Secci,Valentina Notarstefano,Elisabetta Giorgini,E.J. Lock,Giuliana Parisi,Ike Olivotto +7 more
TL;DR: A major challenge for development of sustainable aquafeeds is its dependence on fish meal and fish oil, and replacement with more sustainable, nutritious and safe ingredients is now a priority.
References
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