Effects of dietary tryptophan and chronic stress in gilthead seabream (Sparus aurata) juveniles fed corn distillers dried grains with solubles (DDGS) based diets

Diógenes, Alexandre Firmino; Teixeira, Cláudia Maria Luz Lapa; Almeida, Eduarda; Skrzynska, Arleta Krystyna; Costas, Benjamín; Oliva-Teles, Aires; Perés, Helena

doi:10.1016/j.aquaculture.2018.08.079

Cited by 13 publications

(10 citation statements)

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“…In addition, in adult fish (272-425g) rearing density was increased up to 20 kg m −3 without affecting physiological parameters and growth, when oxygen level was maintained above 70% of the saturation level (Araujo-Luna et al, 2018). Concerning the effect of rearing density on welfare in this species, several studies have elucidated the effect on different physiological parameters, including plasma parameters, neuroendocrine factors, skin mucus biomarkers, liver proteome, carbohydrate metabolism of several tissues and behavioural studies (Montero et al, 1999;Sangiao-Alvarellos et al, 2005;Mancera et al, 2008;Alves et al, 2010;Sánchez-Muros et al, 2017;Guardiola et al, 2018;Skrzynska et al, 2018;Diógenes et al, 2019). Most of those studies were conducted using standard diets and whether these density-associated changes in performance and welfare are consistent when fish are fed current low fishmeal (FM) and fish oil (FO) diets remains little investigated (Wong et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

Effects of rearing density on growth, digestive conditions, welfare indicators and gut bacterial community of gilthead sea bream (Sparus aurata, L. 1758) fed different fishmeal and fish oil dietary levels

et al. 2020

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2020. Effects of rearing density on growth, digestive conditions, welfare indicators and gut bacterial community of gilthead sea bream (Sparus aurata, L. 1758) fed different fishmeal and fish oil dietary levels. Aquaculture, 518, 734850The final published version is available online at: https://doi.org/10. 1016/j.aquaculture.2019.734854 Rights / License:The terms and conditions for the reuse of this version of the manuscript are specified in the publishing policy. For all terms of use and more information see the publisher's website. Effects of rearing density on growth, digestive conditions, welfare indicators and gut bacterial community of gilthead sea bream (Sparus aurata, L. 1758) fed different fishmeal and fish oil dietary levels Abstract In Mediterranean aquaculture, significant advances have been made towards a reduction of marine-derived ingredients in aquafeed formulation, as well as in defining the effect on how environmental factors such as rearing density interact with fish health. Little research, however, has examined the interaction between rearing density and dietary composition on main key performance indicators, physiological processes and gut bacterial community. A study was undertaken, therefore to assess growth response, digestive enzyme activity, humoral immunity on skin mucus, plasma biochemistry and gut microbiota of gilthead sea bream (Sparus aurata, L. 1758) reared at high (HD, 36-44 kg m −3 ) and low (LD, 12-15 kg m −3 ) final stocking densities and fed high (FM30/FO15, 30% fishmeal FM, 15% fish oil, FO) and low (FM10/FO3; 10% FM and 3% FO) FM and FO levels. Isonitrogenous and isolipidic extruded diets were fed to triplicate fish groups (initial weight: 96.2 g) to overfeeding over 98 days. The densities tested had no major effects on overall growth and feed efficiency of sea bream reared at high or low FM and FO dietary level. However, HD seems to reduce feed intake compared to LD mainly in fish fed FM30/FO15. Results of digestive enzyme activity indicated a comparable digestive efficiency among rearing densities and within each dietary treatment even if intestinal brush border enzymes appeared to be more influenced by stocking density compared to gastric and pancreatic enzymes. Plasma parameters related to nutritional and physiological conditions were not affected by rearing densities under both nutritional conditions a similar observation was also achieved through the study of lysozyme, protease, antiprotease and total protein determination in skin mucus, however; in this case lysozyme was slightly reduced at HD. For the first time on this species, the effect of 4 rearing density on gut bacterial community was studied. Different response in relation to dietary treatment under HD and LD were detected. Low FM-FO diet maintained steady the biodiversity of the gut bacterial community between LD and HD conditions while fish fed high FM-FO level showed a reduced biodiversity at HD. According to the results, it seems feasible to rear gilthead sea bream at the on-growing phase at a density...

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Section: Introductionmentioning

confidence: 99%

Effects of rearing density on growth, digestive conditions, welfare indicators and gut bacterial community of gilthead sea bream (Sparus aurata, L. 1758) fed different fishmeal and fish oil dietary levels

et al. 2020

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“…In this analysis, VSI and CF did not affect by stocking density. Some studies suggested that stocking density has no significant difference in CF and VSI (Diogenes et al, 2019; Qi et al, 2016; Refaey et al, 2018), and it appears that the two indexes were relatively stable. HSI was increased with the increasing density during the stressful period, and the D 1/8 group was significant higher 31.8% than group C and that was consistent with the research results of juvenile white seabream ( Diplodus sargus L .)…”

Section: Discussionmentioning

confidence: 99%

“…Density is a form of environmental stress factor, and we assume that density stress may lead to compensating growth, but no relevant researches have been reported. In the previous research, the density was controlled by changing the fish number (Chattopadhyay et al, 2013; Diogenes et al, 2019; Liu, Sha, et al, 2018; Sun et al, 2017; Wu et al, 2018), and in this experiment, the number of fish per tank remained the same and unchanged, and the water volume size was changed. Because people often transfer a certain amount of fish between different size cages and tanks in aquaculture, and so, we study the situation to provide some references for aquaculture.…”

Section: Introductionmentioning

confidence: 87%

“…Stocking density is the main factor influencing fish production and their body size in aquaculture. High stocking density leads to the miniaturization of the fish body, which sometimes leads to a lower surviving rate, and lower density increases the size of the fish body while reduces the whole production (Diogenes et al, 2019; Tan et al, 2018; Wu et al, 2018). High culture density leads to deterioration of water quality, deficiency of dissolved oxygen and rise of ammonia nitrogen content (Bag et al, 2016; Wang et al, 2017; Wu et al, 2018), which affects the growth of fish.…”

Section: Introductionmentioning

confidence: 99%

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Compensatory growth in gibel carp ( carassius auratus gibelio ) after the stress of stocking density

Chen

Yang

Rizwan

et al. 2021

Aquaculture Research

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The research was performed to investigate the compensatory growth in gibel carp (Carassius auratus gibelio) after the stress of stocking density; the 8‐week growth trial was performed in a proper system of 12 fibreglass tanks. Four different density groups were marked as C (control group), D1/2, D1/4 and D1/8, and the biomasses were converted into 1.98 kg/m3, 3.96 kg/m3, 7.91 kg/m3 and 15.82 kg/m3 respectively. Under density stress, the final weight, protein retention efficiency (PRE), feed conversion efficiency (FCE) and specific growth rate (SGR) of groups D1/2, D1/4 and D1/8 were significantly lower than group C (p < 0.05) and reduced with the increase in density. In the period of the recovery of activity space (5–8 weeks), groups D1/2, D1/4 and D1/8 have significantly higher feeding rate (FR), FCE and SGR than group C. There was no significant difference in body weight between group D1/2 and group C, while the body weight of group D1/4 and group D1/8 was still significantly lower than group C. The hepatosomatic index (HSI) of the D1/8 group was extremely low before and after the restoration of activity space (p < 0.05). Under stress, the lipid contents of group D1/4 and group D1/8 were significantly lower than group C. Subsequently, the recovery of activity space, the lipid content of group D1/8, was still significantly lower than group C. The results obtained indicated that the D1/2 group (3.96 kg/m3) successfully lead to wholly compensatory growth, while the D1/4 (7.91 kg/m3) and D1/8 (15.82 kg/m3) group partially lead to compensatory growth. So, higher density leads to poor compensation effect.

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“…Melatonin is demonstrated to modulate antioxidant capacity (Maitra & Hasan 2016), immune functions (Cuesta et al 2007(Cuesta et al , 2008 and thereby stress tolerance (Lopez-Patino et al 2013) through an attenuated glucocorticoid response as suggested by several authors (Azpeleta et al 2010;Lopez-Patino et al 2013;Conde-Sieira et al 2014;Gesto et al 2016). Supplementation of dietary tryptophan was demonstrated to enhance stress tolerance of several fish (Lepage et al 2002;Tejpal et al 2009;Hoseini & Hosseini 2010;Hoseini et al 2012Hoseini et al , 2020aAkhtar et al 2013a,b,c;Basic et al 2013;Fatahi & Hoseini 2013;Kumar et al 2014a;Ciji et al 2015;Di ogenes et al 2019;Cabanillas-G amez et al 2020;Ciji & Akhtar 2020;Herrera et al 2020). Indeed, dietary tryptophan inclusion reduces aggressive behaviour, cannibalism and confrontations in a number of fish (Hseu et al 2003;H€ oglund et al, 2005;Wolkers et al 2012Wolkers et al , 2014Neto & Giaquinto 2020).…”

Section: Protein and Amino Acidsmentioning

confidence: 97%

Stress management in aquaculture: a review of dietary interventions

Ciji

Akhtar

2021

Reviews in Aquaculture

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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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Effects of dietary tryptophan and chronic stress in gilthead seabream (Sparus aurata) juveniles fed corn distillers dried grains with solubles (DDGS) based diets

Cited by 13 publications

References 84 publications

Effects of rearing density on growth, digestive conditions, welfare indicators and gut bacterial community of gilthead sea bream (Sparus aurata, L. 1758) fed different fishmeal and fish oil dietary levels

Effects of rearing density on growth, digestive conditions, welfare indicators and gut bacterial community of gilthead sea bream (Sparus aurata, L. 1758) fed different fishmeal and fish oil dietary levels

Compensatory growth in gibel carp ( carassius auratus gibelio ) after the stress of stocking density

Stress management in aquaculture: a review of dietary interventions

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