An Evidential Review on Potential Benefits of Enzymes in Aqua Feed Industry

Felix, Nathan; Prabu, E.; Kannan, Baskaran; Manikandan, K.

doi:10.20546/ijcmas.2018.712.236

Cited by 3 publications

(2 citation statements)

References 62 publications

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“…) of L. rohita compared to the CF treated fish group. Including exogenous enzymes with feed improved digestion and absorption, increased feed intake, improved metabolizable energy of diet and raised weight [30]. The results of the current study agree with those of Rahman and Sarker [31] who found that adding multi-enzyme supplements to feed significantly improved the growth of L. rohita.…”

Section: Growth Performance Of the Fish And Feed Utilizationsupporting

confidence: 90%

“…Similarly, the provision of additional vitamin and mineralenriched diet has yielded better feed efficiency in L. rohita and O. mykiss, as suggested by Nazeemashahul et al [27] and Barrows et al [28] respectively. Evidence of improved feed utilization and protein retention capabilities in fish due to dietary enzyme supplementation is well documented in previous studies as well [30,36]. Increased feed efficiency can significantly reduce the environmental impact of aquaculture as reduced feed requirements will lead to less waste and less environmental pollution.…”

Section: Growth Performance Of the Fish And Feed Utilizationmentioning

confidence: 89%

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Effects of Growth Promoter-Enriched Farm-Made Feeds on the Growth, Flesh Quality and Economics of Labeo rohita Culture

Islam,

Hosen,

Zaman

et al. 2023

AJFAR

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Aims: The study compared the effects of three growth promoters enriched farm-made feeds with a commercial carp grower feed on growth, flesh compositions and palatability, and economics of Labeo rohita culture. Study Design: The study was carried out through four treatments with three replications in each treatment. A commercial carp feed was used as control (T1, without growth promoter) and three experimental feeds were formulated by using locally available ingredients with the addition of three growth promoters viz., charger gel (CG), eon fish grower (EG) and aquazyme plus (AP) treated as T2, T3 and T4, respectively. Fifteen juveniles of L. rohita with initial weights ranging from 131.17±9.60g to 133.33±8.84g were stocked in each cage (96ft3) and served a daily ration of 5% body weight. Place and Duration of Study: The study was conducted in 12 cages set in an experiment pond at the Department of Fisheries, University of Rajshahi, Bangladesh for 80 days (June-August, 2022). Methodology: Growth and feed utilization parameters by means of weight gain (WG), specific growth rate (SGR), feed conversion ratio (FCR), and chemical composition viz., crude protein, lipid, carbohydrate, fiber, ash and moisture content of feed and fish flesh along with palatability indicators viz., odor, taste and texture were evaluated according to standard formulae, AOAC methods and organoleptic sensory technique, respectively. Results: CG, EG, and AP enriched feed exhibited significantly better growth performance, feed efficiency, flesh composition and palatability indicators compared to the control feed. Additionally, CG enriched feed was the most economically efficient followed by EG and AP enriched feed in terms of feed cost/kg production. Conclusion: The findings conclude that charger gel enriched farm-made feed is more economical and yields better growth and flesh quality of L. rohita than the selected commercial feed.

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Section: Growth Performance Of the Fish And Feed Utilizationsupporting

confidence: 90%

Section: Growth Performance Of the Fish And Feed Utilizationmentioning

confidence: 89%

Effects of Growth Promoter-Enriched Farm-Made Feeds on the Growth, Flesh Quality and Economics of Labeo rohita Culture

Islam,

Hosen,

Zaman

et al. 2023

AJFAR

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Developments in Feeds in Aquaculture Sector: Contemporary Aspects

Thazeem¹,

Umesh²,

Sarojini³

et al. 2022

Aquaculture Science and Engineering

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Isolation and Characterization of Mannanase-Producing Bacteria for Potential Synbiotic Application in Shrimp Farming

Sathitkowitchai

Sathapondecha

Angthong

et al. 2022

Animals

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Prebiotics such as mannan-oligosaccharides (MOS) are a promising approach to improve performance and disease resistance in shrimp. To improve prebiotic utilization, we investigated the potential probiotics and their feasibility of synbiotic use in vitro. Two bacterial isolates, Man26 and Man122, were isolated from shrimp intestines and screened for mannanase, the enzyme for mannan digestion. The crude mannanase from both isolates showed optimal activities at pH 8 with optimum temperatures at 60 °C and 50 °C, respectively. The enzymes remained stable at pH 8–10 for 3 h (>70% relative activity). The thermostability range of Man26 was 20–40 °C for 20 min (>50%), while that of Man122 was 20–60 °C for 30 min (>50%). The Vmax of Man122 against locust bean gum substrate was 41.15 ± 12.33 U·mg−1, six times higher than that of Man26. The Km of Man26 and Man122 were 18.92 ± 4.36 mg·mL−1 and 34.53 ± 14.46 mg·mL−1, respectively. With the addition of crude enzymes, reducing sugars of copra meal, palm kernel cake, and soybean meal were significantly increased (p < 0.05), as well as protein release. The results suggest that Man26 and Man122 could potentially be used in animal feeds and synbiotically with copra meal to improve absorption and utilization of feedstuffs.

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An Evidential Review on Potential Benefits of Enzymes in Aqua Feed Industry

Cited by 3 publications

References 62 publications

Effects of Growth Promoter-Enriched Farm-Made Feeds on the Growth, Flesh Quality and Economics of Labeo rohita Culture

Effects of Growth Promoter-Enriched Farm-Made Feeds on the Growth, Flesh Quality and Economics of Labeo rohita Culture

Developments in Feeds in Aquaculture Sector: Contemporary Aspects

Isolation and Characterization of Mannanase-Producing Bacteria for Potential Synbiotic Application in Shrimp Farming

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