Effects of salinity treatment on muscle quality and off‐flavour compounds of grass carp (
            <i>Ctenopharyngodon idella</i>
            ) and black carp (
            <i>Mylopharyngodon piceus</i>
            )

Qu, Le‐tian; Teng, Xiaoyan; Du, Xin‐xin; Lou, Bing‐bing; Chen, Xiangning; Xu, Jianhe; Ding, Zhujin; Wei, Chaoqing; Cheng, Hanliang

doi:10.1111/are.15975

Cited by 12 publications

(6 citation statements)

References 31 publications

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“…The contents of crude protein and crude lipid in diets and muscle were determined by a Kjeldahl nitrogen analyzer (Kjeltec 8400, FOSS, Denmark) and a Soxhlet extractor (Soxtec 8000, FOSS, Denmark), respectively. Crude ash content of diets was 3 Aquaculture Nutrition measured by combusting samples in a muffle furnace at 550 °C for 6 h. Amino acid profile in diets was analyzed using an automatic amino acid analyzer (L-8900, Hitachi, Japan) according to the method described by Qu et al [32]. The FAA composition in muscle was detected by an automatic amino acid analyzer (L-8900, Hitachi, Japan) with a lithium highperformance column using the method of Xu et al [33].…”

Section: Analysis Of Proximate Composition and Amino Acid Inmentioning

confidence: 99%

Dietary β-Hydroxy-β-Methylbutyrate Supplementation Affects Growth Performance, Digestion, TOR Pathway, and Muscle Quality in Kuruma Shrimp (Marsupenaeus japonicas) Fed a Low Protein Diet

Mao¹,

Yang²,

Chen³

et al. 2023

Aquaculture Nutrition

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An 8-week feeding trial was performed to evaluate the effects of dietary β-hydroxy-β-methylbutyrate (HMB) supplementation on growth performance and muscle quality of kuruma shrimp (Marsupenaeus japonicas) (initial weight: 2.00 ± 0.01 g ) fed a low protein diet. The positive control diet (HP) with 490 g/kg protein and negative control diet (LP) with 440 g/kg protein were formulated. Based on the LP, 0.25, 0.5, 1, 2 and 4 g/kg β-hydroxy-β-methylbutyrate calcium were supplemented to design the other five diets named as HMB0.25, HMB0.5, HMB1, HMB2 and HMB4, respectively. Results showed that compared with the shrimp fed LP, the HP, HMB1 and HMB2 groups had significantly higher weight gain and specific growth rate, while significantly lower feed conversion ratio ( p < 0.05 ). Meanwhile, intestinal trypsin activity was significantly elevated in the above three groups than that of the LP group. Higher dietary protein level and HMB inclusion upregulated the expressions of target of rapamycin, ribosomal protein S6 kinase, phosphatidylinositol 3-kinase, and serine/threonine-protein kinase in shrimp muscle, accompanied by the increases in most muscle free amino acids contents. Supplementation of 2 g/kg HMB in a low protein diet improved muscle hardness and water holding capacity of shrimp. Total collagen content in shrimp muscle increased with increasing dietary HMB inclusion. Additionally, dietary inclusion of 2 g/kg HMB significantly elevated myofiber density and sarcomere length, while reduced myofiber diameter. In conclusion, supplementation of 1-2 g/kg HMB in a low protein diet improved the growth performance and muscle quality of kuruma shrimp, which may be ascribed to the increased trypsin activity and activated TOR pathway, as well as elevated muscle collagen content and changed myofiber morphology caused by dietary HMB.

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Section: Analysis Of Proximate Composition and Amino Acid Inmentioning

confidence: 99%

Dietary β-Hydroxy-β-Methylbutyrate Supplementation Affects Growth Performance, Digestion, TOR Pathway, and Muscle Quality in Kuruma Shrimp (Marsupenaeus japonicas) Fed a Low Protein Diet

Mao¹,

Yang²,

Chen³

et al. 2023

Aquaculture Nutrition

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“…For example, as one of the essential amino acids, the most important physiological function of Lys is to participate in the synthesis of proteins, so it is closely related to animal growth [25]. Glu, Asp, Gly, and Ala are known as umami amino acids, and the high content of them was able to improve the quality and flavor of fish muscle [26,27]. In addition, Buchtov et al [28] suggested that high levels of essential amino acids could also improve the flavor and quality of fish muscle.…”

Section: Discussionmentioning

confidence: 99%

Improvement of Flesh Quality of Farmed Silver Carp (Hypophthalmichthys molitrix) by Short-Term Stocked in Natural Water

Miao

Guo

Song

et al. 2023

Fishes

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To investigate the effects of different raising environments on the flesh quality, the study set up three groups of silver carp (Hypophthalmichthys molitrix), that is, pond-farmed; short-term stocked; and ranched, grown in a natural water ranch. This study compared the differences in muscle proximate composition and amino acid composition among three groups. The results showed that there was no difference between the ranched and the stocked groups in content of crude protein, ash, total amino acids (TAA), essential amino acids (EAA), and umami-flavored amino acids (UAA), with both groups being significantly higher than the farmed group. This shows that, in terms of flesh quality, the stocked group was closer to the ranched group and better than the farmed group after being stocked in natural water for 30 days. The results suggest that the flesh quality of farmed fish was improved by short-term stocking in natural water. To elucidate the reasons of flesh quality change in the stocked group, this study compared the food composition and intestinal digestive enzyme activity in three groups, demonstrating that the ranched and stocked groups had similar food composition, with their detritus proportion lower than that of the farmed group, consuming easily digestible phytoplankton diatoms rich in amino acids and fatty acids. No significant difference was seen between the ranched group and the stocked group, for which amylase, lipase, and trypsin activities were lower than that of the farmed group. It is hypothesized that differences in environmental and food composition resulted in lower digestive enzyme activity in the ranched group and the stocked group. In summary, the short-term stocking of farmed fish in a natural water ranch can effectively improve the nutrient content, quality and flavor, and promote value of fish products.

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“…Grass carp and black carp (Mylopharyngodon piceus) exposed to 7.5‰ for 24 h had higher levels of polyunsaturated fatty acid (PUFA) and increased muscle hardness compared with those reared in FW. 298 Nile tilapia exposed to 12‰ had increased levels of the flavourenhancing amino acids glutamic acid and proline along with EPA, DHA and PUFA content compared with fish kept in FW. 299 A rise in salinity also affected fatty acid composition in rainbow trout, where 1.7‰ increased n-3 PUFA, EPA and DHA content while decreasing monounsaturated fatty acid (MUFA) and n-6 PUFA compared with FW controls 300 and Japanese seabass (L. japonicus), where rearing at 26.2‰ increased n-3 PUFA, EPA and DHA in muscle compared with fish reared in a FW pond.…”

Section: Nutrition and Flesh Qualitymentioning

confidence: 94%

“…A short salinity treatment also influences the muscle quality and flavour of carps. Grass carp and black carp ( Mylopharyngodon piceus ) exposed to 7.5‰ for 24 h had higher levels of polyunsaturated fatty acid (PUFA) and increased muscle hardness compared with those reared in FW 298 …”

Section: Implications For Productionmentioning

confidence: 99%

Salinity tolerance of fishes: Experimental approaches and implications for aquaculture production

Seale,

Cao,

Chang

et al. 2024

Reviews in Aquaculture

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The life history, distribution and diversity of fishes are largely influenced by environmental salinity. Changes in salinity affect a range of physiological processes including metabolism, nutrition, reproduction and growth. Therefore, fish can be conditioned to environmental parameters most suitable for production, where distinct traits are optimised through species‐specific manipulation of salinities. The primary purpose of this review is to summarise the existing literature on the salinity tolerance of aquacultured fish. The various experimental approaches for determining salinity tolerance are compared, along with summarised information for key species employed in aquaculture, including their native distributions, life history stage and optimal salinity for survival and growth. The implications for production were assessed by considering the effects of salinity on growth, reproduction, management, disease mitigation and marketability.

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Effects of salinity treatment on muscle quality and off‐flavour compounds of grass carp ( Ctenopharyngodon idella ) and black carp ( Mylopharyngodon piceus )

Cited by 12 publications

References 31 publications

Dietary β-Hydroxy-β-Methylbutyrate Supplementation Affects Growth Performance, Digestion, TOR Pathway, and Muscle Quality in Kuruma Shrimp (Marsupenaeus japonicas) Fed a Low Protein Diet

Dietary β-Hydroxy-β-Methylbutyrate Supplementation Affects Growth Performance, Digestion, TOR Pathway, and Muscle Quality in Kuruma Shrimp (Marsupenaeus japonicas) Fed a Low Protein Diet

Improvement of Flesh Quality of Farmed Silver Carp (Hypophthalmichthys molitrix) by Short-Term Stocked in Natural Water

Salinity tolerance of fishes: Experimental approaches and implications for aquaculture production

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