Evaluation of seven different functional feed additives in a low fish meal diet for olive flounder, Paralichthys olivaceus

Bae, Jong Myon; Hamidoghli, Ali; Won, Seonghun; Choi, Wonsuk; Lim, Sang‐Gu; Kim, Kang‐Woong; Lee, Bong‐Joo; Hur, Sang‐Woo; Bai, Sungchul C.

doi:10.1016/j.aquaculture.2020.735333

Cited by 44 publications

(38 citation statements)

References 56 publications

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“…The intestinal histology was done as previously described by Bae et al (2020). Three fish from each tank were dissected, 1 cm sections of anterior intestine were removed and fixed in the 10% neutral buffered formalin.…”

Section: Sample Collection and Analysismentioning

confidence: 99%

On-farm evaluation of dietary animal and plant proteins to replace fishmeal in sub-adult olive flounder Paralichthys olivaceus

et al. 2020

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Background: High demand and low supply of fishmeal due to overexploitation of fisheries resources have resulted in a dramatic increase in the price of this ingredient. Olive flounder (Paralichthys olivaceus) commercial feed contains approximately 60% fishmeal and limited success has been achieved in identifying sustainable alternative protein sources for this species. Methods: An on-farm feeding trial was conducted to compare a basal diet containing 65% as the control (CONT) with two experimental diets replacing 10% of fishmeal by animal protein (AP 10) or 20% of fishmeal by animal and plant protein (APP 20). Sub-adult olive flounder averaging 327 ± 9.3 g (mean±SD) were fed one of the three diets in triplicate groups for 16 weeks. Results: Weight gain, specific growth rate, feed efficiency, protein efficiency ratio, and survival were not significantly different among fish fed all the experimental diets (P > 0.05). Also, non-specific immune responses (superoxide dismutase and lysozyme activity), serum biochemical parameters, and intestinal villi length were not significantly different among fish fed all the experimental diets (P > 0.05). Conclusions: Therefore, based on growth performance, non-specific immune responses, serum biochemical parameters, and intestinal histology, dietary animal and plant protein mixtures could replace up to 20% of fishmeal in the diet of sub-adult olive flounder.

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Section: Sample Collection and Analysismentioning

confidence: 99%

On-farm evaluation of dietary animal and plant proteins to replace fishmeal in sub-adult olive flounder Paralichthys olivaceus

et al. 2020

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“…The authors referred to the YSE saponin content and its ability to form immunostimulatory complexes to explain the enhancement in immunity. In the same manner, Bae et al [ 49 ] found that yucca meal at 1.5 mg/kg diet as a functional additive in olive flounder ( P. olivaceus ) diets improved nitroblue tetrazolium (NBT) results and the cumulative survival rate compared to the control group. Likewise, El-Keredy and Naena [ 47 ] reported lower mortality and morbidity rates for Nile tilapia ( O. niloticus ) infected with P. aeruginosa in all YSE groups compared to the control, where the best survival percentage was recorded in the group that was fed 0.1% YSE.…”

Section: Yucca As An Immunostimulantmentioning

confidence: 91%

“…This would elucidate why a low concentration (<1000 ppm) of saponin-rich plant extracts can exert a favorable influence on fish growth, whilst high levels participate in the development of enteritis. In this context, Bae et al [ 49 ] reported no significant differences in the growth and feed efficiency between olive flounder ( P. olivaceus , 5.26 ± 0.17 g) that were fed yucca meal for 8 weeks at the level of 1.5 g/kg diet and the control group. Likewise, Tidwell et al [ 50 ] reported a reduction in body weight and elevation in the FCR of juvenile channel catfish ( I. punctatus ) fed YSE at the level of 1.1 g/kg diet.…”

Section: Yucca As a Growth Promotormentioning

confidence: 99%

“…Regarding Nile tilapia, Abdel-Tawwab et al [ 12 ] reported higher activities of SOD, CAT, and GPx, and a lower MDA value with YSE + yeast ( S. cerevisiae ) water additives at 1.0 g/L ( p < 0.05). Similarly, Bae et al [ 49 ] found that feeding olive flounder ( P. olivaceus ) on diets with Yucca meal at 1.5 mg/kg diet improved SOD and myeloperoxidase (MPO) compared to the control group. Furthermore, Amoah et al [ 62 ] reported an enhancement in SOD of juvenile Amur catfish ( S. asotus ) that were fed diets with 0.4% SG, 0.05% YM, 0.05% BG, and 0.05% SG + BG compared with the fish fed the control diet.…”

Section: Yucca As An Antioxidative Agentmentioning

confidence: 99%

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Yucca schidigera Usage for Healthy Aquatic Animals: Potential Roles for Sustainability

Paray

Basuini

Alagawany

et al. 2021

Animals

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In modern aquaculture systems, farmers are increasing the stocking capacity of aquatic organisms to develop the yield and maximize water resources utilization. However, the accumulation of ammonia in fishponds regularly occurs in intensive aquaculture systems, resulting in reduced growth rates and poor health conditions. The inclusion of yucca extract is recognized as a practical solution for adsorbing the waterborne ammonia. Yucca has abundant amounts of polyphenolics, steroidal saponins, and resveratrol and can be used as a solution or as a powder. In this context, this review aimed to investigate the possible regulatory roles of yucca extract on aquatic animals’ performances. Concurrently, the feed utilization, growth performance, and physiological status of aquatic species can be improved. Additionally, the yucca application resulted in enhancing the antioxidative, immunological, and anti-inflammatory responses in several aquatic animals. Exclusively, the present review proposed a protective solution through the application of yucca extract in the aquafeed and rearing water of aquatic animals suffering from ammonia accumulation. Furthermore, it shows how yucca could enhance the growth, survival rates, blood biochemical quality, immunological indices, and the antioxidative capacity of aquatic animals in light of the relevant published data.

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“…Moreover, Katya et al (2018) reported that blends of organic acid were probable alternative for dietary antibiotics in olive flounder aquaculture. Also, intestinal morphology and digestive enzyme activities of olive flounder were improved by dietary supplementation of organic acids (Bae et al, 2020). Therefore, it is obvious that algae and organic acids exhibit positive effects on the growth and health status of olive flounder as dietary supplements.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of marine algal ( Ulva spp./ Solieria spp.) extracts combined with organic acids in diets for olive flounder ( Paralichthys olivaceus )

Gunathilaka

Veille²,

Tharaka

et al. 2021

Aquaculture Research

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The supplemental effect of marine algae (Ulva spp. and Solieria spp.) extracts with/without organic acids was evaluated in olive flounder (Paralichthys olivaceus) diet. A diet containing 55% fish meal was considered as the control diet. Three other diets were prepared by supplementing 0.5% of algae extract from Ulva spp. mixed with a blend of organic acids and 0.3% or 0.5% algae extracts from Ulva spp. and Solieria spp. into the control diet (CON, AS5, AL3 and AL5). Total 640 fish (initial mean body weight: 26.5 ± 0.02 g) were randomly distributed into 16 tanks as 40 fish per tank. Quadruplicate groups of fish were hand‐fed one of the experimental diets twice a day for 12 weeks. Growth performance of fish was not significantly affected by experimental diets although feed utilization of fish fed AS5 diet was significantly higher than that of the CON group. The innate immune responses and activities of antioxidant enzymes were significantly increased by dietary supplementation of the additives. When fish were challenged with Edwardsiella tarda, survival was higher in fish fed the additive supplemented diets than the CON group. Catalase, lysozyme and superoxide dismutase activities were significantly higher in surviving fish fed the additive supplemented diets than the CON group after the challenge test. Goblet cell counts in fish intestine were significantly higher in AS5 group. Amylase and lipase activities and lipid digestibility were increased by the diets containing additives. The findings in this study indicate that algal extract and/or organic acid supplementation in diets increase innate immunity, disease resistance, intestinal morphology, digestive enzyme activity, diet digestibility and feed utilization of olive flounder.

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Evaluation of seven different functional feed additives in a low fish meal diet for olive flounder, Paralichthys olivaceus

Cited by 44 publications

References 56 publications

On-farm evaluation of dietary animal and plant proteins to replace fishmeal in sub-adult olive flounder Paralichthys olivaceus

On-farm evaluation of dietary animal and plant proteins to replace fishmeal in sub-adult olive flounder Paralichthys olivaceus

Yucca schidigera Usage for Healthy Aquatic Animals: Potential Roles for Sustainability

Evaluation of marine algal ( Ulva spp./ Solieria spp.) extracts combined with organic acids in diets for olive flounder ( Paralichthys olivaceus )

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