Effects of the diet on seahorse (<i>Hippocampus hippocampus</i>) growth, body colour and biochemical composition

Segade, Alba Muinelo; Robaina, L.; Otero‐Ferrer, Francisco; Romero, Josefa García; Domínguez, L. Molina

doi:10.1111/anu.12202

Cited by 16 publications

(20 citation statements)

References 44 publications

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“…After 102 days, no significant differences ( P ≥ 0.05) in length or weight between the diets were found as observed by Segade et al . (). The biochemical composition of the diets used is shown in Tables & .…”

Section: Resultsmentioning

confidence: 97%

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Effect of the diet on lipid composition and liver histology of short snout seahorseHippocampus hippocampus

Segade¹,

Robaina

Novelli³

et al. 2015

Aquacult Nutr

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Little is known about the nutritional requirements of ornamental fish and the effects which they may have on fish histology. Because of this, 45 young, captive-bred seahorses (1.37 g AE 0.51) were randomly divided and put into fifteen, 35-L, glass aquariums. Three experimental diets were tested in triplicate: live enriched Artemia (LEA); frozen enriched Artemia (FEA); and commercial Mysis (M). seahorses were fed twice daily, 6 days a week for 102 days throughout the experiment. The body weight and length of the seahorses were measured every 20 days, and at the end of the experiment, fish liver samples were taken for histological studies. Biochemical analyses of the diets and the seahorses fed on the experimental diets were recorded, and the differences in the total lipid content in each of the three diets were also observed, each reflecting their respective liver lipid content. seahorses fed with LEA treatment showed lipid vacuoles in the hepatocytes with nuclei displaced to the periphery. Similar results were also observed in FEA fed seahorses, but to a lesser extent. In contrast, the M fed seahorses were characterized by having livers with lower size hepatocytes and centrally located nuclei.

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Section: Resultsmentioning

confidence: 97%

“…The feeding ratio was maintained around 150 g kg −1 of the overall biomass throughout the whole trial following the recommendations by other authors (Woods & Valentino ; Woods ; Palma et al . ; Segade et al ., ).…”

Section: Methodsmentioning

confidence: 97%

Effect of the diet on lipid composition and liver histology of short snout seahorseHippocampus hippocampus

Segade¹,

Robaina

Novelli³

et al. 2015

Aquacult Nutr

Self Cite

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“…Moreover, recently Segade et al . () showed the effect of diet on seahorse ( Hippocampus hippocampus ) body colour using MVS.…”

Section: Preharvestmentioning

confidence: 99%

“…Researchers have used different optical sensors for measuring and determining skin colour in fish. Pavlidis et al (2006) Segade et al (2014) showed the effect of diet on seahorse (Hippocampus hippocampus) body colour using MVS.…”

Section: Individual Fish Features Analysismentioning

confidence: 99%

Application of machine vision systems in aquaculture with emphasis on fish: state‐of‐the‐art and key issues

Saberioon

Gholizadeh

Císař

et al. 2016

Reviews in Aquaculture

177

109

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Demands of aquatic products are increasing dramatically during past decades. Also quality assurance has gradually received more attention by both producers and consumers. Thus, fish producers are exploring all possible approaches for improving the productivity and profitability. Monitoring of fish state and behaviour during cultivation may help to improve profitability for producers and also reduce the threat of severe loss because of disease and stress incidents. It is necessary to evaluate and measure quality of fish products in accurate, fast and objective way for meeting the different demands of the fish‐processing industry after harvesting. Traditional methods are usually time‐consuming, expensive, laborious and invasive. Using rapid, inexpensive and noninvasive methods is therefore important and desirable. Optical sensors and machine vision system provide the possibility of developing faster, cheaper and noninvasive methods for in situ and after harvesting monitoring of quality in aquaculture. This review describes the most recent technologies and the suitability of different optical sensors for the fish farming management and also assessment, measurement and prediction of fish products quality. Two major areas of optical sensors applications in aquaculture are discussed in this review: (i) preharvesting and during cultivation; and (ii) post‐harvesting. Finally, accuracy and uncertainty of optical sensors applications in aquaculture are discussed. This review showed that MVSs and optical sensors have found real‐world application based on tremendous possibility offered by digital camera development and increasing the speed of computer‐based processing; however, still new algorithms, methods and re‐engineered sensors need to be developed to meet real‐world requirements.

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“…However, the natural source of seahorse has dramatically reduced owing to overfishing, unsustainable trade, and habitat destruction (Qian et al 2012). Therefore, seahorses became the first commercially valuable marine genus to be protected and included in Appendix II of the Convention on International Trade in Endangered Species (CITES) in 2004 (Segade et al 2015).…”

Section: Introductionmentioning

confidence: 99%

Anti-fatigue activity of a mixture of seahorse (Hippocampus abdominalis) hydrolysate and red ginseng

Kang

Kim

Rho³

et al. 2017

Fish Aquatic Sci

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Seahorse, a syngnathidae fish, is one of the important organisms used in Chinese traditional medicine. Hippocampus abdominalis, a seahorse species successfully cultured in Korea, was validated for use in food by the Ministry of Food and Drug Safety in February 2016; however. the validation was restricted to 50% of the entire composition. Therefore, to use H. abdominalis as a food ingredient, H. abdominalis has to be prepared as a mixture by adding other materials. In this study, the effect of H. abdominalis on muscles was investigated to scientifically verify its potential bioactivity. In addition, the anti-fatigue activity of a mixture comprising H. abdominalis and red ginseng (RG) was evaluated to commercially utilize H. abdominalis in food industry. H. abdominalis was hydrolyzed using Alcalase, a protease, and the effect of H. abdominalis hydrolysate (HH) on the muscles was assessed in C2C12 myoblasts by measuring cell proliferation and glycogen content. In addition, the mixtures comprising HH and RG were prepared at different percentages of RG to HH (20, 30, 40, 50, 60, 70, and 80% RG), and the anti-fatigue activity of these mixtures against oxidative stress was assessed in C2C12 myoblasts. In C2C12 myoblasts, H 2 O 2 -induced oxidative stress caused a decrease in viability and physical fatigue-related biomarkers such as glycogen and ATP contents. However, treatment with RG and HH mixtures increased cell viability and the content of fatigue-related biomarkers. In particular, the 80% RG mixture showed an optimum effect on cell viability and ATP synthesis activity. In this study, all results indicated that HH had anti-fatigue activity at concentrations approved for use in food by the law in Korea. Especially, an 80% RG to HH mixture can be used in food for ameliorating fatigue.

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Effects of the diet on seahorse (Hippocampus hippocampus) growth, body colour and biochemical composition

Cited by 16 publications

References 44 publications

Effect of the diet on lipid composition and liver histology of short snout seahorseHippocampus hippocampus

Effect of the diet on lipid composition and liver histology of short snout seahorseHippocampus hippocampus

Application of machine vision systems in aquaculture with emphasis on fish: state‐of‐the‐art and key issues

Anti-fatigue activity of a mixture of seahorse (Hippocampus abdominalis) hydrolysate and red ginseng

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