Floc meal as potential substitute for soybean meal in tilapia diets under biofloc system conditions

Mabroke, Rania S.; El-Husseiny, O.; Zidan, Abd El-Naem F.A; Tahoun, Al‐Azab; Suloma, Ashraf

doi:10.1007/s00343-019-7222-1

Cited by 18 publications

(12 citation statements)

References 25 publications

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“…Calcium was the nutrient with the highest presence in the residual sediment collected over 6 months of red tilapia production in BFT (6.96%). This result was lower than reported for O. niloticus diets with inclusion of 25 or 50% floc meal (Mabroke et al, 2019). The variations in the results may be related to the fact that different levels of calcium carbonates are supplied in the biofloc system to maintain alkalinity levels, which is reflected in the levels of this nutrient in the sediments (Furtado et al, 2014).…”

Section: Resultsmentioning

confidence: 64%

“…The best FCR results were observed using 20% biofloc and 1.2% lysine (1.06), and the lowest using 20% biofloc and 1.8% lysine. In addition, FCR values were superior than related by Mabroke et al (2019) for Nile tilapias fed with diets including of 25 or 50% floc meal for 56 days. Nevertheless, it was found that the amounts of sediment are not constant enough for large-scale production.…”

Section: Resultsmentioning

confidence: 82%

“…Bioflocs are a rich protein source (Xu & Pan, 2012), and could be used as alternative ingredients to replace traditional protein sources used in small aquaculture production facilities (Hargreaves, 2013). Proximal analysis of biofloc meals from Nile tilapias, Oreochromis niloticus, showed that protein content can range from 17.92% to 24.5%, and that this depends on the feed used during the production process (Prabu et al, 2017;Mabroke et al, 2019), similar findings have been obtained for shrimps (Xu & Pan, 2012).…”

Section: Introductionmentioning

confidence: 75%

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Proximal and sensory analysis of red tilapia (Oreochromis sp.) fed with fish tanks sediments from a Biofloc culture

Delgado

Rubio²,

Cueva-Quiroz³

2021

Food Sci. Technol

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Feeding accounts for 50%-60% of production costs in fish farming, and alternative raw materials are used to lower production costs. These raw materials can alter nutritional values and sensory aspects of the final product. The present study describes the results for the proximal composition, sensory, and microbiological analyses of red tilapia (Oreochromis sp.) fed with a biofloc meal (fish sediment residue). The results showed that the red tilapia biofloc meal contained protein levels over 30%, with 3% nitrogen and 6% calcium. Fish fed biofloc meal showed productive performances within the ranges established for the species. Sensory analysis revealed that the cooked product's appearance was very characteristic, presenting a slight metallic flavor and moderate juiciness. The bromatological composition analysis indicated that each 100g of tilapia contained 16 g of protein. Finally, the microbiological study guarantees compliance with the local tandards and confirms that the product does not contain significant levels of microorganisms that could cause foodborne diseases when consumed by humans. In conclusion, the use of biofloc meal at a small red tilapia farm proved to be a sustainable alternative for feeding Oreochromis sp.

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Section: Resultsmentioning

confidence: 64%

Section: Resultsmentioning

confidence: 82%

Section: Introductionmentioning

confidence: 75%

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Proximal and sensory analysis of red tilapia (Oreochromis sp.) fed with fish tanks sediments from a Biofloc culture

Delgado

Rubio²,

Cueva-Quiroz³

2021

Food Sci. Technol

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“…This fish is commonly smoked or freshly sold and is a main ingredient for many types of Riau's traditional cuisine. Due to high demand and high economic value, the fish is commonly cultured 1 .…”

Section: Introductionmentioning

confidence: 99%

Growth and health status of Pangasionodon hypophthalmus reared under manipulated photoperiod conditions

2021

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Background: In general, the length of photoperiod affects the physiology of Pangasionodon hypophthalmus. This study aimed to understand the growth and health status of this fish reared under manipulated photoperiods. Methods: The study was conducted between May and August 2020. Three treatments were applied: control (natural photoperiod); 18 hours of darkness (18D6L; tanks were placed under a dark tarp tent for 18 hours); and 24 hours of darkness (24D0L; tanks were placed under a dark tarp tent continuously). Three replications were performed per treatment. At baseline, fish were approx. 3 inch total length (TL) and 4 g body weight (BW), and were reared in circular plastic tanks (100 L; 30 fish/tank) with aerators and filters, and fed with commercial fish feed pellet (2 times/day to satiation). Fish growth and survival were studied once/week, and blood and tissue samples were taken at the end of the experiment (8th week). Tissue was formalin fixed and HE stained. Results: The survival of fish in all treatment was 100%. The fish reared in 24D0L and 18D6L grew better than control, achieving a mean TL of 23 cm and BW of 98 g (control = 19 cm TL and 72 g BW). There was no difference in hematology condition or tissue structure between the three groups. Tissue structure of gill, kidney and liver were normal, but light abnormality due to parasites was present in the gill of fish reared in 24D0L. Blood samples for all three groups showed mean red blood cell count of 1,800,000 cells/ml and white blood cell (WBC) count of 55,200 cells/ml. WBC consisted of lymphocyte 65%, monocyte 24%, thrombocyte 6%, neutrophil 3%, eosinophil 1% and basophile 1%. Conclusion: Data obtained indicate that a short photoperiod improves the growth of P. hypophthalmus fish and does not negatively affects their health.

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“…The biomass formed in biofloc system consist of various microorganism rich in those beneficial components, i.e. enzyme, protein, lipid, carotenoids, an amino sugar, and vitamin (Mabroke et al, 2018). It is potentially used as an additional feed (Husain et al, 2014) and was reported to contribute to the growth performance of the cultured fish.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of health status and meat quality of dumbo catfish Clarias gariepinus maintained using the biofloc system

Fajrin

Utomo

Ekasari

et al. 2020

Jurnal Akuakultur Indonesia

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This research aimed to evaluate the health status, growth performance, and meat quality of African catfish Clariasgariepinus maintained in biofloc and nonbiofloc systems. This study applied 3 treatments with 4 replications, i.e.K500 (control, a non-biofloc system at a fish stocking density of 500/m3), BF500 (biofloc system at a fish stockingdensity of 500/m3), and BF700 (biofloc system at a fish stocking density of 700 /m3). The initial body length andbodyweight of the fish used in this experiment were 10–12 cm and 10–12g, respectively. Feeding was done byusing a commercial feed containing 29.76% protein content. The results showed that fish survival in treatmentsBF500 and BF700 were significantly different (P<0.05) from the control. The growth rate of African catfish in thecontrol (K) was the lowest (3.64 ± 0.56%) among the treatments. The results of the organosensory test showed thatthe application of biofloc systems produced a higher quality of fish meat with a range value of 7–9 compared to thatof the control with a range of 6–7. In conclusion, the application of biofloc systems could improve the fish healthstatus, growth performance, and meat quality of African catfish. Keywords: biofloc systems, Clarias gariepinus, density, health status, meat quality ABSTRAK Penelitian ini bertujuan mengevaluasi status kesehatan, kinerja pertumbuhan, dan kualitas daging ikan lele AfrikaClarias gariepinus yang dipelihara menggunakan sistem bioflok dan nonbioflok. Penelitian ini menggunakan 3perlakuan dengan 4 kali ulangan, yang terdiri dari: K500 (kontrol, sistem nonbioflok dengan kepadatan ikan 500ekor/m3), perlakuan BF500 (sistem bioflok dengan kepadatan ikan 500 ekor/m3), dan perlakuan BF700 (sistembioflok dengan kepadatan ikan 700 ekor/m3). Ikan yang digunakan berukuran panjang dan bobot awal masingmasing10–12 cm dan 10–12 g. Pemberian pakan dilakukan dengan menggunakan pakan komersil dengan 29,76%protein. Hasil penelitian menunjukan tingkat kelangsungan hidup antara perlakuan BF500 dan BF700 berbeda nyata(P<0.05) dengan perlakuan K500. Laju pertumbuhan ikan lele pada perlakuan K500 lebih rendah dibandingkanperlakuan lain. Hasil pengujian organosensory menunjukkan bahwa ikan yang dipelihara dalam sistem bioflokmenghasilkan kualitas daging yang lebih tinggi dengan kisaran nilai 7–9 dibandingkan dengan ikan K500 dengannilai 6–7. Berdasarkan hasil penelitian ini dapat disimpulkan bahwa aplikasi sistem bioflok dapat meningkatkanstatus kesehatan, laju pertumbuhan, dan kualitas daging ikan lele Afrika. Kata kunci: bioflok, Clarias gariepinus, kepadatan, kualitas daging, status kesehatan

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Floc meal as potential substitute for soybean meal in tilapia diets under biofloc system conditions

Cited by 18 publications

References 25 publications

Proximal and sensory analysis of red tilapia (Oreochromis sp.) fed with fish tanks sediments from a Biofloc culture

Proximal and sensory analysis of red tilapia (Oreochromis sp.) fed with fish tanks sediments from a Biofloc culture

Growth and health status of Pangasionodon hypophthalmus reared under manipulated photoperiod conditions

Evaluation of health status and meat quality of dumbo catfish Clarias gariepinus maintained using the biofloc system

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