Innate immune response of pirarucu improved with yeast-supplemented diets

Hoshino, Maria Danielle Figueiredo Guimarães; Ramos, Ruan da Silva; Lopes, José Flávio; Ribeiro, Ricardo A.; Rodriguez, Anselmo Fortunato Ruiz; Silva, Thibério Carvalho da; Faria, Fernando Sérgio Escócio Drummond Viana de; Tavares‐Dias, Marcos; Ozório, Rodrigo O. A.; Yoshioka, E. T. O.

doi:10.1016/j.aqrep.2020.100421

Cited by 4 publications

(3 citation statements)

References 21 publications

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“…In Labeo rohita, the dietary inclusion of 1% yeast extract enhanced the total leucocyte count and blood respiratory burst activity (Andrews et al, 2011). Dietary doses of yeast ranging from 1%-8% increased the leukocyte counts (lymphocytes, monocytes, and neutrophils) in pirarucu, Arapaina gigas (Hoshino et al, 2020) but did not significantly stimulate the phagocytosis or lysozyme activity of Nile tilapia (Berto et al, 2016). On the contrary, a dietary dose of 4% yeast significantly increased the lysozyme activity of pikeperch (Sander lucioperca) together with cellular immunity parameters such as respiratory burst activity, phagocytposis, and proliferation) while ceruloplasmin activity was unchanged (Kowalska et al, 2015).…”

Section: Discussionmentioning

confidence: 99%

Fishmeal, plant protein, and fish oil substitution with single-cell ingredients in organic feeds for European sea bass (Dicentrarchus labrax)

et al. 2023

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Single-cell ingredients (SCI) are considered promising nutrient sources which are produced using environmentally friendly biotechnological processes. The aim of the current study was to evaluate the replacement of fishmeal, plant protein sources, and fish oil with SCI in organic feeds for European sea bass (Dicentrarchus labrax). Bacterial protein, yeast protein, and microalgae were used to replace fishmeal trimmings, soya bean meal, and fish oil from trimmings. Triplicate groups (30 fish per replicate) of European sea bass (14.4 ± 2.4 g) were fed the experimental diets for 71 days. The results showed that the incorporation of SCI at all levels of inclusion significantly enhanced nutrient digestibility. Additionally, growth performance parameters were not affected by SCI inclusion, exhibiting similar or improved values. Moreover, a tendency for improved anterior and posterior gut structure was observed and a significant increase of lysozyme activity at the two highest inclusion levels of SCI was determined. Overall, the results showed that the inclusion of SCI at 15% (bacterial: yeast: algae—9.4: 4.7: 1) is possible without compromising any of the parameters evaluated. According to these findings, a higher substitution of fishmeal trimmings, plant protein sources, and fish oil from trimmings with SCI in organic diets for European sea bass (D. labrax) can be further evaluated in future studies.

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Section: Discussionmentioning

confidence: 99%

Fishmeal, plant protein, and fish oil substitution with single-cell ingredients in organic feeds for European sea bass (Dicentrarchus labrax)

et al. 2023

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“…However, the bioactivity of these cell wall components depends on the yeast species, the fermentation conditions during yeast production and the downstream processing used before incorporating them into a salmon diet (Øverland & Skrede, 2017). For better utilisation of yeast-derived nutrients and higher acceptance by the recipient fish, several studies prescribe use of yeast extract or autolysis of yeast cells before dietary inclusion (Berto et al, 2016;Sönmez, 2017;Hoshino et al, 2020;Rimoldi et al, 2020). Downstream processing of the yeast leads to breakdown of insoluble macromolecules such as proteins and nucleic acids into soluble peptides, amino acids and nucleotides, which assists in modulation of gut microbial activity in the host fish (Agboola et al, 2022).…”

Section: Dietary Yarrowia Lipolyticafish Healthmentioning

confidence: 99%

Alternative feed sources: Effect on gut microbiota, immunity and health of rainbow trout

Singh¹

2023

Acta Universitatis Agriculturae Sueciae

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Shifting from conventional fishmeal- and soymeal-based aquafeed to low-cost, sustainable dietary alternatives is essential for expansion and resilience in aquaculture. Possible alternative feed resources include under-utilised organic wastes from agriculture and households and by-products from forestry. These resources usually have high nutrient content and may contain bioactive compounds (β-glucans, mannans, lignocellulose etc.) that elicit immunomodulatory responses, modulate gut microbiota and thus improve overall wellbeing in cultured fish. This thesis investigated the dietary potential of Neurospora intermedia, Yarrowia lipolytica and cello-oligosaccharides obtained from industrial by-products, municipal side-streams and forest by-products in diets for rainbow trout. In a 30-day fish trial, N. intermedia was included in the diet by replacing 30% of the fishmeal-based control diet and diets containing fungi were processed with and without pre-conditioning (heat-treatment). The results showed high apparent digestibility coefficient of the N. intermedia diets and a gradual shift in overall gut microbiota, with increased abundance of Lactococcus from day 0 to 30. Preconditioning had no effect on digestibility or gut microbiota. Pre-treated Y. lipolytica yeast biomass in whole (WY) or autolysed (AY) form was incorporated in rainbow trout diets at 2% or 5% level in a 45-day trial. The 5% WY diet resulted in elevated expression of immune-related genes of the complement pathway, membrane receptor pathway, cytokines and adaptive immune pathway. There was a small impact of dietary Y. lipolytica on faecal microbiota in rainbow trout. The bioactivity of cello-oligosaccharides (COS) was examined by feeding rainbow trout diets containing 0-1.5% graded COS in a 45-day trial. Inclusion of 0.5-1.5% COS slightly increased lactic acid bacteria in faeces and marginally modulated gut immunity with respect to expression of complement and toll-like receptors. The COS diets also increased oxidative stress-reducing capacity in the gut and serum of the fish. These results indicate, N. intermedia, Y. lipolytica and COS can be used successfully as potential functional feed or additive for rainbow trout.

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“…More recently, the addition of NuPro®, a commercial yeast product @ 40 g kg −1 of feed is shown to improve stress response in Arapaima gigas subjected to handling by modulating glucose levels (Hoshino et al . 2020). Similarly, dietary inclusion of DVAQUA®, a Saccharomyces cerevisiae fermentation product, is shown to modulate gut microbiota and immunity in hybrid tilapia (He et al .…”

Section: Stress Mitigation Through Dietary Additives/nutraceuticalsmentioning

confidence: 99%

Stress management in aquaculture: a review of dietary interventions

Ciji

Akhtar

2021

Reviews in Aquaculture

122

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Over the last few decades, the demand-driven growth in aquaculture has been tremendous due to development and adoption of cutting-edge technologies and production systems such as intensification and high input aquaculture. This growth, however, has witnessed an insurgence of various environmental and husbandry-related stressors posing major challenges to the aquaculture sector limiting its further expansion worldwide. These stressful conditions impair the health of cultured animals and predispose them to diseases resulting in economic losses. Hence, optimizing the stress resilience of the cultured species is paramount to ensure sustainable development of aquaculture sector. Addressing the concerns of stress mitigation in aquaculture, a plethora of research investigations have been intensively carried out all over the world targeting the management of cultured environment as well as cultured species. Among various mitigation strategies, dietary interventions appear to be pliable and a sustainable approach to develop immunocompetence and stress resistance in fish as requirement of several nutrients may increase under stressful conditions. The suboptimal and/or excessive levels of several essential and non-essential nutrients modulate the immune response and stress/disease resistance. Hence, the present review is an inclusive and informative compilation of dietary interventions for management of stress in aquaculture. This review highlights the stress-mitigating roles of different nutritive and non-nutritive compounds/additives such as amino acids, essential fatty acids, phospholipids, vitamins, minerals, carotenoids, different synthetic chemicals and biological derivatives from bacteria, yeast, fungi, algae, plants and animals as a promising stress management strategy to enhance the overall performance of the cultured species.

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Innate immune response of pirarucu improved with yeast-supplemented diets

Cited by 4 publications

References 21 publications

Fishmeal, plant protein, and fish oil substitution with single-cell ingredients in organic feeds for European sea bass (Dicentrarchus labrax)

Fishmeal, plant protein, and fish oil substitution with single-cell ingredients in organic feeds for European sea bass (Dicentrarchus labrax)

Alternative feed sources: Effect on gut microbiota, immunity and health of rainbow trout

Stress management in aquaculture: a review of dietary interventions

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