Application of enriched Cyclops abyssorum divergens with mixed algal diet compared to Artemia franciscana for improving larval growth and body composition of Dicentrarchus labrax

El‐Sayed, Heba S.; Ghonim, Amal Z.; El‐Khodary, Gihan M.; El‐Sheikh, Mohamed A.; Khairy, Hanan M.

doi:10.1016/j.aqrep.2021.100715

Cited by 4 publications

(2 citation statements)

References 42 publications

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“…Regarding the overall fatty acid content of larval tissue, the relative abundance of DHA, EPA, and ARA was clearly reduced. The study by El‐Sayed et al (2021) has shown that low DHA levels in larvae fed with enriched Artemia can also be correlated with the reported capacity of Artemia to transform DHA to EPA shortly after enrichment. Recent research by (Nghia et al, 2007), however, examined the effect of HUFA content in live foods on larvae of S. paramamosain and found that high levels of HUFA in enriched rotifers and Artemia resulted in substantial increases in crab larvae in the levels of these fatty acids.…”

Section: Discussionmentioning

confidence: 94%

Enhancement of protein, lipid and fatty acids in copepod, Oithona rigida for the improvement of growth, development and survival of early‐stage mud crab larvae ( Scylla olivacea )

Yuslan

Ghaffar

Arshad

et al. 2022

Aquaculture Research

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The copepod Oithona rigida can be used as a natural feed in rearing larvae of the mud crab Syclla olivacea. However, copepod is not readily obtainable due to their characteristics as seasonal zooplankton, causing limitation in using copepods. The objective of this study was to evaluate the nutrient transfer of enriched O. rigida in improving the growth development and survival of early‐stage mud crab (Scylla olivacea). The effects of different feeding regimes on the survival and development of S. olivacea larvae were studied in two phases of the crab larval development: Phase 1 (zoea 1 to zoea 2 stage) and Phase 2 (zoea 5 to megalopa stage). The feeding regimes were T1: O. rigida enriched with rice bran, T2: O. rigida enriched with Nannochloropsis oceanica, T3: O. rigida enriched with a mixture of rice bran and N. oceanica, and T4: Artemia. The results showed that rice bran (66.83 ± 2.25% protein and 21.98 ± 1.41% lipid) and N. oceanica (72.08 ± 2.02% protein and 18.09 ± 1.18% lipid) additives produced the best outcomes in terms of protein content and lipid content of O. rigida. A mixture of rice bran and N. oceanica (41.62%) as enrichment also improved the polyunsaturated fatty acids (PUFAs) content of O. rigida as compared with a mono diet applied such as rice bran (28.16%) and N. oceanica (31.35%). The average survival rate of S. olivacea from zoea 1 until megalopa shows that T3 (20.20 ± 1.97%) was higher than T1 (13.87 ± 0.90%), T2 (12.47 ± 1.14%) or T4 (3.13 ± 1.29%). In conclusion, improving the survival rate of crab larvae in commercial hatcheries by using precise early‐stage foods is fundamental to enhancing the seed production technology of mud crabs.

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Section: Discussionmentioning

confidence: 94%

Enhancement of protein, lipid and fatty acids in copepod, Oithona rigida for the improvement of growth, development and survival of early‐stage mud crab larvae ( Scylla olivacea )

Yuslan

Ghaffar

Arshad

et al. 2022

Aquaculture Research

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“…Copepods are a good food source for fish larvae because they have a better biochemical profile than traditional live feeds such as rotifers and Artemia [ 3 , 4 ]. Researchers have shown that copepods increase fish larvae survival, growth, health, pigmentation, and tolerance to the stressors of rearing conditions [ 5 , 6 , 7 , 8 , 9 ].…”

Section: Introductionmentioning

confidence: 99%

Influence of Microalgae Diets on the Biological and Growth Parameters of Oithona nana (Copepoda: Cyclopoida)

Huanacuni

Pepe-Victoriano

Lora‐Vilchis

et al. 2021

Animals

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Several species of the planktonic free-living genus Oithona have been successfully used in the larviculture of marine fish and shrimp. However, few studies have been published that allow us to estimate the potential of Oithona nana culture under controlled conditions. This work evaluated the effect of the microalgae Isochrysis galbana and Chaetoceros calcitrans as single (200,000 cells/mL) and mixed diets (100,000 + 100,000 cells/mL) on population and individual growth, ingestion rate, number of spawnings, fertility, development time by stage, and sex ratio of O. nana. We cultured this copepod at 28 ± 0.5 °C, 35 PSU salinity, 125 lux, and 12:12 photoperiod. Results showed that diet had no effect on the final population level (6273–7966 ind/L) or on individual growth, nor on sex ratio, with less males than females. With C. calcitrans, O. nana had a higher filtration rate (57 ng C/ind/day). On the other hand, a mixed diet induced a higher number of spawns (0.4 events/day) and nauplii per spawn (23 ind). Similarly, a single or mixed diet, containing I. galbana, accelerated the development rate by 6.33–7.00 days. We concluded that O. nana can be cultured with both microalgae, indicating its potential use in an intensive system for production. However, more research is required to improve the productivity of O. nana rearing.

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Different Animal Feeds and Their Role in Aquaculture

Radhakrishnan

Kumar²,

Ali

2022

Aquaculture Science and Engineering

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Application of enriched Cyclops abyssorum divergens with mixed algal diet compared to Artemia franciscana for improving larval growth and body composition of Dicentrarchus labrax

Cited by 4 publications

References 42 publications

Enhancement of protein, lipid and fatty acids in copepod, Oithona rigida for the improvement of growth, development and survival of early‐stage mud crab larvae ( Scylla olivacea )

Enhancement of protein, lipid and fatty acids in copepod, Oithona rigida for the improvement of growth, development and survival of early‐stage mud crab larvae ( Scylla olivacea )

Influence of Microalgae Diets on the Biological and Growth Parameters of Oithona nana (Copepoda: Cyclopoida)

Different Animal Feeds and Their Role in Aquaculture

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