Replacing fish oil with crude palm oil in the diet of larval hybrid lemon fin barb (Barbonymus gonionotus ♀ × Hypsibarbus wetmorei ♂)

Weerasingha, Rochana; Kamarudin, Mohd Salleh; Karim, Murni; Ismail, Mohammad Fadhil Syukri

doi:10.1016/j.aqrep.2022.101121

Cited by 2 publications

(2 citation statements)

References 42 publications

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“…Nevertheless, the accessibility of fish oil and fish meal is progressively becoming restricted [10,11]. Hence, there is a need to discover novel alternative substances that can serve as fish oil sources within the aquafeed sector [12,13].…”

Section: Introductionmentioning

confidence: 99%

Vitamin E dosage variations as antioxidants for improving the quality of fish oil derived from processing waste of Pangasius catfish

Aryani,

Heltonika,

Edison

et al. 2023

BIO Web Conf.

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The limited availability of tubifex poses a challenge in obtaining green catfish fry. Fish oil, comprising saturated and unsaturated fatty acids, serves as an alternative fat source in commercial feed. Utilizing by-products from catfish processing, fish oil production has garnered attention; however, its rich unsaturated fatty acid content renders it prone to oxidation. Vitamin E emerges as a potential antioxidant to curb this oxidation. This study aims to evaluate fish oil quality with vitamin E supplementation. Peroxide number (PV) and storage duration (0, 3, 6, 9, 12, and 15 days) were analyzed. Fish oil received varying doses of vitamin E (0, 1, 3, 5, and 7 mg/100 g), with each treatment replicated twice. Findings indicated that without vitamin E (0 mg/100 g), PV reached 10.0 meq/kg after 15 days of storage. Conversely, with vitamin E (1, 3, 5, and 7 mg/100 g), PV values after 15 days were 7.2, 6.0, 5.4, and 4.0 meq/kg respectively. The study establishes that higher vitamin E doses effectively prolong fish oil shelf life while conforming to the Codex PV standard (≤ 5 meq/kg).

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Section: Introductionmentioning

confidence: 99%

Vitamin E dosage variations as antioxidants for improving the quality of fish oil derived from processing waste of Pangasius catfish

Aryani,

Heltonika,

Edison

et al. 2023

BIO Web Conf.

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show abstract

“…Recent findings demonstrated the preference of the lemon fin barb hybrid for palm oil (Weerasingha et al, 2022a) in their diets. It was reported that crude palm oil could successfully substitute dietary fish oil in hybrid lemon fin barb diets (Weerasingha et al, 2022b). The fish has been cultured in aquaponic (Ogah et al, 2020) as well biofloc and recirculatory aquaculture systems (Dauda et al, 2018) with associated favourable results.…”

Section: Introductionmentioning

confidence: 99%

Responses by hybrid carp, Barbonymus gonionotus ♀ × Hypsibarbus wetmorei ♂, FED diets containing selected leafmeals

et al. 2022

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In a 56‐day feeding trial, the effects of dietary inclusion of four fibre‐rich‐leaf meal‐based diets (Napier, alfalfa, Gliricidia, or Ipomea) on growth, haemato‐biochemical parameters, and histology of the intestine, liver, and kidney in hybrid lemon fin barb fingerlings were investigated. Each of the leaf meals was included at 10 g 100 g−1 in five dietary treatments. As a control, a diet with no leaf meal was used. Each diet was randomly allocated to three tanks and the hybrid fish were also randomly stocked in 60 L glass tanks at 15 fish per tank. When compared to the control group, the leaf meal‐treated groups performed better in terms of growth, which was significantly (p < .05) higher with Ipomea‐ and Napier‐fed groups. Ipomea‐fed fish had the best performance among the leaf meal groups. The leaf meal‐based groups had numerically greater haematological profiles than the control fish but shared statistical similarities (p > .05) with the control group. The PCV, RBC, Hb and WBC levels in fish fed an Ipomea‐based diet were the highest. The serum biochemistry of fish fed different dietary treatments showed significant differences (p < .05). With the exception of the fish fed Ipomea, there were statistical similarities (p > .05) in the total protein, albumin, and globulin contents between fish fed the leafmeal‐based diets and control diets. The intestinal morphology of fish fed test leaf meal‐based diets was normal. The livers of fish given the test leaf meal‐based diets showed moderate to severe widespread vacuolization of the hepatocytes, as well as localized nuclei, with very slight erosion of the mucous membrane at the tips of the villi.

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Replacing fish oil with crude palm oil in the diet of larval hybrid lemon fin barb (Barbonymus gonionotus ♀ × Hypsibarbus wetmorei ♂)

Cited by 2 publications

References 42 publications

Vitamin E dosage variations as antioxidants for improving the quality of fish oil derived from processing waste of Pangasius catfish

Vitamin E dosage variations as antioxidants for improving the quality of fish oil derived from processing waste of Pangasius catfish

Responses by hybrid carp, Barbonymus gonionotus ♀ × Hypsibarbus wetmorei ♂, FED diets containing selected leafmeals

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