Effect of brown algae Padina pavonica as a dietary supplement on growth performance and health status of cultured Oreochromis niloticus

Maghawri, Asmaa; Marzouk, Samar S.; El-Din, Heba M. Ezz; Nashaat, Mai

doi:10.1016/j.ejar.2023.03.001

Cited by 7 publications

(7 citation statements)

References 34 publications

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“…Furthermore, this was also reflected in higher SGR values. The results of this study align with previous research that has demonstrated the potential of several species of brown macroalgae as a valuable eco-innovative aquafeed ingredient to enhance fish health and growth (Pham et al, 2006;Ribeiro et al, 2015;Kamunde et al, 2019;Shi et al, 2019;Negm et al, 2021;Maghawri et al, 2023).…”

Section: Discussionsupporting

confidence: 89%

Immunomodulatory and antioxidant effects of functional aquafeeds biofortified with whole Laminaria digitata in juvenile gilthead seabream (Sparus aurata)

Marmelo,

Dias,

Grade

et al. 2024

Front. Mar. Sci.

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The increasing demand for healthy aquatic products has contributed to the rapid growth of aquaculture. Despite the many progresses, over the years, in aquaculture production, animal welfare and reduction of the stress induced by captivity remain a challenge in this sector, and overcoming it is fundamental to improve animal growth performance and resilience to environmental threats (e.g., disease outbreaks and/or climate change impacts). To address this challenge, aquafeeds biofortified with natural ingredients with functional properties, such as macroalgae, have emerged as a promising strategy to enhance fish immunity. The present study aimed at evaluating the potential of Laminaria digitata to improve juvenile gilthead seabream (Sparus aurata) physiological status and resilience, through the modulation of immunomodulatory and antioxidant responses. To explore this hypothesis, four independent treatments were carried out in which fish were fed with different experimental aquafeeds: control feed and biofortified feeds with 1.5%, 3% and 6% of whole L. digitata (incorporated as a dried and powdered ingredient). Fish (n=9) were collected from each treatment upon 30 and 60 days of biofortification in order to assess animal growth and condition indexes, haematological parameters, innate humoral parameters (antiprotease (AP) activity, peroxidase (POD) activity and immunoglobulin M (IgM)) and oxidative stress biomarkers (lipid peroxidation (LPO), catalase (CAT) activity, glutathione S-transferase (GST) activity, superoxide dismutase (SOD) activity and total antioxidant capacity (T-AOC)). Significant differences (α = 0.05) between treatments in biomarker responses were tested through a nested-design ANOVA, followed by Tukey HSD multiple comparisons. Pearson correlations between the different endpoints were also explored. Results indicate that a dietary inclusion of 1.5% L. digitata is the most effective biofortification dose, significantly improving antioxidant responses of S. aurata, by increasing levels of CAT, GST and T-AOC, along with the reduction in LPO levels. Additionally, the inclusion of 1.5% L. digitata enhances immunity by increasing the levels of IgM and POD, while maintaining the growth performance and condition indices of the fish. These findings underscore the potential utilization of L. digitata as a functional feed ingredient in aquaculture with relevant immune and antioxidant attributes.

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Section: Discussionsupporting

confidence: 89%

Immunomodulatory and antioxidant effects of functional aquafeeds biofortified with whole Laminaria digitata in juvenile gilthead seabream (Sparus aurata)

Marmelo,

Dias,

Grade

et al. 2024

Front. Mar. Sci.

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“…The single or combined dietary inclusion of Isochrysis galbana, Pavlova lutheri, and Chaetoceros muelleri significantly enhanced the growth performance and survival of grooved carpet shell (Ruditapes decussatus) larvae well as the biochemical and fatty acid composition during the larval development and underscore the value of algae-based dietary supplements in promoting the health and development of aquatic larvae in aquaculture [10]. The dietary incorporation of the macroalgae Gracilaria arcuata as feed supplement, 10, 20 and 30% to African catfish (Clarias gariepinus) revealed significantly lower growth, feed utilization, feed intake, and protein efficient ratio at 20 and 30% inclusion vs. control group and 10% inclusion [126]. In contrast, a later study, using G. arcuata at different levels (20, 40, and 60%) in a 12-week trial with Nile tilapia led to a 20% improvement in growth, enhanced body composition, and increased feed intake compared to control-fed fish [127,128].…”

Section: Growth Promotersmentioning

confidence: 92%

Use of Algae in Aquaculture: A Review

Vijayaram,

Ringø,

Ghafarifarsani

et al. 2024

Fishes

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The utilization of algae in aquaculture is environmentally friendly, safe, and cost-effective and can effectively substitute for fish meal and fish oil in aquatic feeds. Incorporating algae as dietary supplements leads to significant enhancements in aquatic animals’ health and also improves the aquatic ecosystem. Algae are rich sources of nutrients and serve as the foundational food source in the aquatic food chain. Currently, 40 different algae species are employed in aquaculture. Furthermore, algae contributes to elevating the overall quality of aquatic feed products. Aquaculture stands as the most vital food production sector globally; however, challenges such as infection outbreaks and aquatic environmental pollution pose significant threats to the sustainable growth of this industry. An alternative strategy for mitigating environmental issues and improving aquatic production involves the utilization of algae. The novelty in the applications of algae in aquaculture stems from their multifaceted roles and benefits, such as their capacity to improve water quality, serve as nutrient-rich feed supplements, and enhance the overall health and productivity of aquatic species. These versatile applications of algae represent a fresh and innovative approach to sustainable aquaculture practices. This review furnishes insights into the use of algae, algae extracts, or components derived from algae to enhance water quality. Additionally, it covers the utilization of algae-based feed supplements, boosting of the immune system, enhanced growth performance, and disease resistance in aquatic animals.

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“…Table 1 shows that the highest protein and lipid content is in the macroalgae type Sargassum sp, and the highest ash content is in the macroalgae type Halymenia sp. These results indicate that macroalgae's nutritional content differs depending on the type [11][12][13][14][15][16][17]. Macroalgae have good opportunities to be utilized as a source of feed ingredients for ruminants.…”

Section: Halymenia Spmentioning

confidence: 99%

Identification of macroalgae from the West Coast of Sulawesi and potential utilization as ruminant feed sources

Fitriawaty,

Surya,

Muslimin

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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The use of macroalgae as a ruminant feed is being widely developed due to its rich nutritional content and the presence of anti-methanogenic substances that may be able to reduce the formation of methane gas in ruminants. Macroalgae are cultivated and not cultivated; the species are diverse and grow in groups throughout Indonesian waters. This study aims to identify macro algae morphology that is easily found in the waters of the West Coast of Sulawesi and its potential use as a source of ruminant feed. Macro alga samples of cultivated and non-cultivated algae were collected from farmers and fishermen from the West Coast of Sulawesi, then continued with morphological identification. Several related articles and previous research obtained data regarding nutritional content using proximate analysis (protein, lipid and ash) and its potential use as a feed source. Research shows several macroalgae species that are easily found in the waters of the west coast of Sulawesi, namely macroalgae cultivated Gracilaria sp, Eucheuma denticulatum, Eucheuma cottonii, and Caulerpa sp. In contrast, the non-cultivated ones are Sargassum sp, Padina australis, Halymenia sp, Halimynea sp, and Caulerpa sp. Of the eight species, It is nutrient-rich and may be utilized as a source of feed for ruminants in the form of pure or extracts, but the proportion of macroalgae in the diet must be taken into account.

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Effect of brown algae Padina pavonica as a dietary supplement on growth performance and health status of cultured Oreochromis niloticus

Cited by 7 publications

References 34 publications

Immunomodulatory and antioxidant effects of functional aquafeeds biofortified with whole Laminaria digitata in juvenile gilthead seabream (Sparus aurata)

Immunomodulatory and antioxidant effects of functional aquafeeds biofortified with whole Laminaria digitata in juvenile gilthead seabream (Sparus aurata)

Use of Algae in Aquaculture: A Review

Identification of macroalgae from the West Coast of Sulawesi and potential utilization as ruminant feed sources

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