Insect meal inclusion as a novel feed ingredient in soy-based diets improves performance of rainbow trout (Oncorhynchus mykiss)

Hossain, Md. Sakhawat; Fawole, Femi John; Labh, Shyam Narayan; Small, Brian C.; Overturf, Ken; Kumar, Vikas

doi:10.1016/j.aquaculture.2021.737096

Cited by 19 publications

(9 citation statements)

References 55 publications

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“…In this study, glycemia reflected the total carbohydrate content or levels of starch-containing ingredients in the diets. Similar to our results, no changes in plasma glucose levels were reported in rainbow trout fed diets with BSFM as a substitute for fishmeal or soybean meal [12,34,37].…”

Section: Fish Welfaresupporting

confidence: 91%

“…Other indicators, such as the gross anatomy of the external and internal organs, the organosomatic indices, and the histopathological markers, are useful to complement the information resulting from blood screening and to provide an integrated diagnosis of fish welfare [30,31]. The concomitant monitoring of these parameters was suitable for the evaluation of the effects of fishmeal replacement with vegetable meal [32,33], insect meal [34][35][36], or a blend of plant, insect, and rendered animal proteins [11,[37][38][39] on the physiology, health, and welfare of rainbow trout. In this study, these different types of parameters were integrated to assess the welfare of rainbow trout in response to novel dietary formulations.…”

Section: Introductionmentioning

confidence: 99%

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Growth and Welfare of Rainbow Trout (Oncorhynchus mykiss) in Response to Graded Levels of Insect and Poultry By-Product Meals in Fishmeal-Free Diets

Cardinaletti

Marco

Daniso

et al. 2022

Animals

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This study compared the nutrient-energy retention, digestive function, growth performance, and welfare of rainbow trout (ibw 54 g) fed isoproteic (42%), isolipidic (24%), fishmeal-free diets (CV) over 13 weeks. The diets consisted of plant-protein replacement with graded levels (10, 30, 60%) of protein from poultry by-product (PBM) and black soldier fly H. illucens pupae (BSFM) meals, either singly or in combination. A fishmeal-based diet was also tested (CF). Nitrogen retention improved with moderate or high levels of dietary PBM and BSFM relative to CV (p < 0.05). Gut brush border enzyme activity was poorly affected by the diets. Gastric chitinase was up-regulated after high BSFM feeding (p < 0.05). The gut peptide and amino acid transport genes were differently regulated by protein source and level. Serum cortisol was unaffected, and the changes in metabolites stayed within the physiological range. High PBM and high BSFM lowered the leukocyte respiratory burst activity and increased the lysozyme activity compared to CV (p < 0.05). The BSFM and PBM both significantly changed the relative percentage of lymphocytes and monocytes (p < 0.05). In conclusion, moderate to high PBM and BSFM inclusions in fishmeal-free diets, either singly or in combination, improved gut function and nutrient retention, resulting in better growth performance and the good welfare of the rainbow trout.

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Section: Fish Welfaresupporting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

Growth and Welfare of Rainbow Trout (Oncorhynchus mykiss) in Response to Graded Levels of Insect and Poultry By-Product Meals in Fishmeal-Free Diets

Cardinaletti

Marco

Daniso

et al. 2022

Animals

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“…Third, the overall quality of meat (fish and other animals as well) is reported to increase (protein, phosphorus and energy retention increased most notably) 149,150 . Improvements in the higher ratio of fish muscularity were reported in many species 113,151–159 . As for the fish fed with conventional fishmeal and BSFL, the histological examination did not indicate any changes 153 .…”

Section: Discussion and Techno‐economic Considerationsmentioning

confidence: 96%

Insect rearing on biowaste represents a competitive advantage for fish farming

Maroušek

Strunecký

Maroušková

2022

Reviews in Aquaculture

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“…No effect on somatic indices, including carcass share (CS), spleen share (SS), condition factor (CF), or hepatosomatic index (HSI), was observed among the groups. The vast majority of scientific literature that also studied the effects of different insect diets on somatic indices of salmonids has focused mainly on HSI and VSI (Stenberg et al, 2019;Hoffmann et al, 2020;Hossain et al, 2021;Weththasinghe et al, 2021 b). Taking into account these data, as well as the established norms for HSI (Munshi and Dutta, 2017), the condition of the liver was not disturbed by either the control diet or any of the experimental groups.…”

Section: Discussionmentioning

confidence: 97%

Black Soldier Fly Full-Fat Meal in Atlantic Salmon Nutrition – Part B: Effects on Growth Performance, Feed Utilization, Selected Nutriphysiological Traits and Production Sustainability in Pre-Smolts

Mikołajczak

Mazurkiewicz

Rawski

et al. 2023

Annals of Animal Science

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Black soldier larva meal (BSFM) seems to be a competitive protein and fat source for widely used fish meal (FM) and fish oil. Because of the still present problem of overfished seas and oceans for feed purposes, even a low substitution of the mentioned feed materials could have a positive impact on the environment. Due to the specificity of salmon metabolic processes, with particular attention to smoltification and the various requirements for nutrients related to individual stages, it is important to implement similar dietary inclusion levels of innovative feed materials in different life stages of Atlantic salmon. Thus, a holistic approach was undertaken in the cycle of two studies carried out: on fries and pre-smolts. This study aims to evaluate the effect of FM replacement by full-fat BSFM in Atlantic salmon pre-smolt diets on growth performance, feed utilization, somatic indices, histomorphology of intestines, colorimetric assessment and raw meat quality, as well as environmental sustainability. The following groups were applied: CON – without addition of full-fat BSFM and with 30% FM; BSFM5 – with 5% addition of full-fat BSFM and 27.1% FM; BSFM10 – with 10% full-fat BSFM and 24.3% FM; and BSFM15 – with 15% addition of full-fat BSFM and 21.3% FM. The present study showed satisfactory results of BSFM inclusion up to 15% as a replacement for FM in feeds for Atlantic salmon pre-smolts. The present study showed that BSFM is a suitable feed material for Atlantic salmon proper diet balancing and may be used to decrease FM content. The semi-technical application of BSFM containing diets confirmed their effectiveness during the growth phase of Atlantic salmon. According to our results, BSFM can be recommended as an alternative feed component in Atlantic salmon pre-smolt nutrition at levels up to 15%. Simultaneously, insect inclusion significantly improved the environmental sustainability of the rearing process.

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Insect meal inclusion as a novel feed ingredient in soy-based diets improves performance of rainbow trout (Oncorhynchus mykiss)

Cited by 19 publications

References 55 publications

Growth and Welfare of Rainbow Trout (Oncorhynchus mykiss) in Response to Graded Levels of Insect and Poultry By-Product Meals in Fishmeal-Free Diets

Growth and Welfare of Rainbow Trout (Oncorhynchus mykiss) in Response to Graded Levels of Insect and Poultry By-Product Meals in Fishmeal-Free Diets

Insect rearing on biowaste represents a competitive advantage for fish farming

Black Soldier Fly Full-Fat Meal in Atlantic Salmon Nutrition – Part B: Effects on Growth Performance, Feed Utilization, Selected Nutriphysiological Traits and Production Sustainability in Pre-Smolts

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