Effects of isoenergetic diets with varying protein and lipid levels on the growth, feed utilization, metabolic enzymes activities, antioxidative status and serum biochemical parameters of black sea bream (Acanthopagrus schlegelii)

Wang, Lei; Zhang, Wanrong; Sagada, Gladstone; Ng, Wing‐Keong; Zhang, Jingzhi; Shao, Qingjun

doi:10.1016/j.aquaculture.2019.734397

Cited by 57 publications

(53 citation statements)

References 53 publications

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“…Crystalline methionine, arginine and lysine were coated with carrageenan and carboxymethyl cellulose and added to the diet mix. The mixture was subsequently extruded through a feed machine (Modle HKJ-218; HUARUI) as described by Wang et al (1) . The experimental diets were subsequently cooked by steam for 10 min and placed on a clean floor for drying by an electric fan in an air-conditioned room.…”

Section: Diets Preparationmentioning

confidence: 99%

“…Lipids play a crucial role in the intensive aquaculture industry, not only because it provides essential fatty acids but also due to its high energy density. It can impart a 'protein-sparing effect', thereby reducing dietary protein requirement, resulting in feed cost reduction (1) . Studies have demonstrated that increasing dietary lipid level could improve protein efficiency ratio and reduce N discharge in different fish species (2)(3)(4)(5) .…”

mentioning

confidence: 99%

“…Recently, studies on blunt snout bream (Megalobrama amblycephala) (15,24) and zebrafish (Danio rerio) (25) reported the prominent lipid-lowering effect of BBR, but as far as we know, the effects of dietary BBR in marine fish have not been investigated. Black sea bream (Acanthopagrus schlegelii) is a high-value commercially farmed tropical marine fish with high tolerance to environmental changes, desirable growth rate and good meat quality (1,26) . Wang et al (1) reported that black sea bream is prone to store lipid in their liver.…”

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confidence: 99%

“…Black sea bream (Acanthopagrus schlegelii) is a high-value commercially farmed tropical marine fish with high tolerance to environmental changes, desirable growth rate and good meat quality (1,26) . Wang et al (1) reported that black sea bream is prone to store lipid in their liver. Previous studies in black sea bream reported that L-carnitine (27) , choline (28) and bile acids (10) supplementation could improve immune and antioxidative abilities and reduce the histopathological changes caused by HL diets.…”

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confidence: 99%

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Dietary berberine regulates lipid metabolism in muscle and liver of black sea bream (Acanthopagrus schlegelii) fed normal or high-lipid diets

Wang

Sagada

et al. 2020

Br J Nutr

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This study investigated the influence of berberine (BBR) supplementation in normal and high lipid diets on lipid metabolism and accumulation in black sea bream (Acanthopagrus schlegelii). Berberine was supplemented at 50 mg/kg to control (Con, 11.1% crude lipid) and high lipid (HL, 20.2% crude lipid) diets and named as ConB and HLB, respectively. After the 8-week feeding trial, fish body length and specific growth rate were significantly reduced by high lipid diets (P < 0.05). Muscle and whole-body crude lipid contents were significantly influenced by both BBR supplementation and dietary lipid level. Fish fed HLB diet had significantly lower serum triglyceride, low-density lipoprotein cholesterol contents, and alanine aminotransferase activity compared with the HL group. The HL group presented vast lipid accumulation in the liver, and hypertrophied hepatocytes along with large lipid droplets, and translocation of nuclear to the cell periphery. These abnormalities in black sea bream were alleviated in the HLB group. Berberine supplementation in high lipid diet significantly downregulated the hepatic expression levels of accα, srebp-1, 6pgd, g6pd and pparγ, whereas the lpl, hsl, and cpt1a expression levels were significantly upregulated. However, the expression levels of these genes showed opposite trends in muscle (except for pparγ). In conclusion, dietary BBR supplementation in high lipid diet reduced hepatic lipid accumulation by downregulating lipogenesis gene expression and upregulating lipolysis gene expression, and it increased muscle lipid contents with opposite trends of the mechanism observed in the liver.

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Section: Diets Preparationmentioning

confidence: 99%

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confidence: 99%

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confidence: 99%

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confidence: 99%

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Dietary berberine regulates lipid metabolism in muscle and liver of black sea bream (Acanthopagrus schlegelii) fed normal or high-lipid diets

Wang

Sagada

et al. 2020

Br J Nutr

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“…Besides the energy, dietary lipid provides other important substances such as essential fatty acids, phospholipids and sterols for maintaining cell normal structure and biological function [ 4 ]. Due to the protein-sparing effect of dietary lipids in aquatic feeds, high-fat diet (HFD) is widely used to save costs and reduce nitrogen waste in aquaculture recently [ 5 , 6 , 7 ]. However, excessive dietary lipid may lead to abnormal lipid accumulation in liver, abdominal adipose tissues and muscle.…”

Section: Introductionmentioning

confidence: 99%

Dietary Supplementation of Astaxanthin Improved the Growth Performance, Antioxidant Ability and Immune Response of Juvenile Largemouth Bass (Micropterus salmoides) Fed High-Fat Diet

et al. 2020

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High-fat diet (HFD) usually induces oxidative stress and astaxanthin is regarded as an excellent anti-oxidant. An 8-week feeding trial was conducted to investigate the effects of dietary astaxanthin supplementation on growth performance, lipid metabolism, antioxidant ability, and immune response of juvenile largemouth bass (Micropterus salmoides) fed HFD. Four diets were formulated: the control diet (10.87% lipid, C), high-fat diet (18.08% lipid, HF), and HF diet supplemented with 75 and 150 mg kg−1 astaxanthin (HFA1 and HFA2, respectively). Dietary supplementation of astaxanthin improved the growth of fish fed HFD, also decreased hepatosomatic index and intraperitoneal fat ratio of fish fed HFD, while having no effect on body fat. Malondialdehyde content and superoxide dismutase activity were increased in fish fed HFD, astaxanthin supplementation in HFD decreased the oxidative stress of fish. The supplementation of astaxanthin in HFD also reduced the mRNA levels of Caspase 3, Caspase 9, BAD, and IL15. These results suggested that dietary astaxanthin supplementation in HFD improved the growth performance, antioxidant ability and immune response of largemouth bass.

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Feasting in mussel farms fattens up snapper (Chrysophrys auratus) compared to snapper in adjacent natural habitats

Underwood,

Mugica,

Jeffs

2024

Aquaculture Fish & Fisheries

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The presence of wild fish in and around aquaculture habitats is often assumed a response to food resources within these habitats, either from input feed, the presence of cultured species, and/or the assemblage of biofouling that naturally colonises aquaculture structures. The nutritional quality of the food resources consumed by wild fish in aquaculture habitats is also important in determining their nutritional condition and subsequent productivity. Few studies have investigated the nutritional quality of prey in aquaculture habitats, and these have mostly focused on fed aquaculture by tracking manufactured fish pellets into the diets of wild fish. However, in non‐fed aquaculture, the assemblage of cultured and biofouling species may also provide a nutritional benefit to fish feeding in these habitats. The Australasian snapper, Chrysophrys auratus, are commonly present as adults within coastal mussel farms in New Zealand and tend to become a resident species. This study investigated the nutritional quality of the gut contents of snapper in soft‐sediment habitats within and outside of New Zealand green‐lipped mussel farms. Total lipid, protein, carbohydrate and total calorific content were measured from the gut contents of snapper sampled from mussel farm and natural (i.e. control) habitats. Snapper in mussel farms had double the dietary intake of lipid (16% vs. 8%) from consuming lipid‐rich bivalves and barnacles which are in abundance in mussel farms. Higher lipid intake can contribute to improved nutritional condition, reproduction and growth in snapper. However, the higher dietary lipid intake of snapper in mussel farms did not increase their overall body condition (i.e. Fulton condition index). This may be due to the coarse nature of this measure, or the use of the additional lipid in more rapid somatic growth or reproductive outputs, possibilities that warrant examination through further research. Overall, this study shows for the first time the potential ecosystem benefits of shellfish aquaculture in provisioning nutritionally valuable prey for coastal fish populations.

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Effects of isoenergetic diets with varying protein and lipid levels on the growth, feed utilization, metabolic enzymes activities, antioxidative status and serum biochemical parameters of black sea bream (Acanthopagrus schlegelii)

Cited by 57 publications

References 53 publications

Dietary berberine regulates lipid metabolism in muscle and liver of black sea bream (Acanthopagrus schlegelii) fed normal or high-lipid diets

Dietary berberine regulates lipid metabolism in muscle and liver of black sea bream (Acanthopagrus schlegelii) fed normal or high-lipid diets

Dietary Supplementation of Astaxanthin Improved the Growth Performance, Antioxidant Ability and Immune Response of Juvenile Largemouth Bass (Micropterus salmoides) Fed High-Fat Diet

Feasting in mussel farms fattens up snapper (Chrysophrys auratus) compared to snapper in adjacent natural habitats

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