Does Exposure of Broodstock to Dietary Soybean Meal Affect Its Utilization in the Offspring of Zebrafish (Danio rerio)?

Kwasek, Karolina; Patula, Samuel; Wojno, Michal; Oliaro, Frank; Cabay, Chrissy; Pinnell, Lee J.

doi:10.3390/ani12121475

Cited by 2 publications

(4 citation statements)

References 65 publications

(75 reference statements)

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“…Studies of NP with a similar experimental design to what we have described here have shown no microbiota difference throughout the feeding trial and thus concluded that NP had not impacted the gut microbiota [ 45 , 46 , 49 ]. These studies proposed that the environmental factors represented by the RAS water tank abiotic conditions, including pH, temperature, and salinity, may outweigh the effects of NP and dietary protein sources.…”

Section: Discussionsupporting

confidence: 61%

“…Nutritional programming has been employed to reduce the adverse effects of plant-derived dietary ingredients in commercial Atlantic salmon feed formulations, but the mechanisms behind NP effects, required to determine appropriate intervention timing and delivery methods, are as yet unclear [ 25 , 46 ]. Previous studies investigated whether NP modulated the gut microbiota and if such modulation could be coupled with fish performance [ 25 , 46 – 49 ]. In this study, we compared the effects of first feeding with a plant-based diet vs. a traditional marine-based diet on the developmental microbial composition and diversity of the intestine in Atlantic salmon.…”

Section: Discussionmentioning

confidence: 99%

“…However, in phases of the current study, M and V fish showed significant dissimilarity. Other studies also suggested that host-related factors might be the reason for the similarity across sampling points and dietary fish groups rather than environmental factors [ 45 , 46 , 49 ]. In the current study, the intestinal microbiota showed higher richness and diversity for M than V fish and dissimilarity in the intermediate phase, although they were fed the same M diet at this phase, suggesting that the feed history at stimulus may have acted as the primer.…”

Section: Discussionmentioning

confidence: 99%

“…Rainbow trout and brown trout ( Salmo trutta ) showed no sustained changes in their gut microbiota when fed different levels of plant-derived proteins at first feeding [ 47 , 48 ] while in a study on zebrafish ( Danio rerio ) larvae, pre-adult fish fed with plant-based diets had a higher weight gain than those fed with FM diets but without significant microbiota changes contributing to NP effects [ 49 ]. Although plant-based NP studies have identified differences in growth and utilisation, gut microbial changes associated with this NP have not been detectable to date in various fish species using 16 S rRNA sequencing [ 46 , 49 ].…”

Section: Introductionmentioning

confidence: 99%

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Modulation of gut microbiota composition and predicted metabolic capacity after nutritional programming with a plant-rich diet in Atlantic salmon (Salmo salar): insights across developmental stages

Tawfik,

Lorgen-Ritchie,

Król

et al. 2024

anim microbiome

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To promote sustainable aquaculture, the formulation of Atlantic salmon (Salmo salar) feeds has changed in recent decades, focusing on replacing standard marine-based ingredients with plant-based alternatives, increasingly demonstrating successful outcomes in terms of fish performance. However, little is known about how these plant-based diets may impact the gut microbiota at first feeding and onwards. Nutritional programming (NP) is one strategy applied for exposing fish to a plant-based (V) diet at an early stage in life to promote full utilisation of plant-based ingredients and prevent potential adverse impacts of exposure to a plant-rich diet later in life. We investigated the impact of NP on gut microbiota by introducing fish to plant ingredients (V fish) during first feeding for a brief period of two weeks (stimulus phase) and compared those to fish fed a marine-based diet (M fish). Results demonstrated that V fish not only maintained growth performance at 16 (intermediate phase) and 22 (challenge phase) weeks post first feeding (wpff) when compared to M fish but also modulated gut microbiota. PERMANOVA general effects revealed gut microbiota dissimilarity by fish group (V vs. M fish) and phases (stimulus vs. intermediate vs. challenge). However, no interaction effect of both groups and phases was demonstrated, suggesting a sustained impact of V diet (nutritional history) on fish across time points/phases. Moreover, the V diet exerted a significant cumulative modulatory effect on the Atlantic salmon gut microbiota at 16 wpff that was not demonstrated at two wpff, although both fish groups were fed the M diet at 16 wpff. The nutritional history/dietary regime is the main NP influencing factor, whereas environmental and host factors significantly impacted microbiota composition in M fish. Microbial metabolic reactions of amino acid metabolism were higher in M fish when compared to V fish at two wpff suggesting microbiota played a role in digesting the essential amino acids of M feed. The excessive mucin O-degradation revealed in V fish at two wpff was mitigated in later life stages after NP, suggesting physiological adaptability and tolerance to V diet. Future studies are required to explore more fully how the microbiota functionally contributes to the NP.

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Section: Discussionsupporting

confidence: 61%