Aquaculture International最新文献

{"title":"Assessment of feeding intensity of Oreochromis niloticus (tilapia) based on improved VGG16 and voice spectrograms","authors":"Xuyang Huang,&nbsp;Xinli Ma,&nbsp;Jing Jin,&nbsp;Shengli Fan,&nbsp;Yufeng Xie,&nbsp;Weiming Cai","doi":"10.1007/s10499-025-01913-0","DOIUrl":"10.1007/s10499-025-01913-0","url":null,"abstract":"<p>In aquaculture, understanding fish appetite is crucial for developing effective feeding strategies. Fish feeding intensity is a direct indicator of their appetite. This study aims to develop a method for assessing fish feeding intensity using acoustic spectrograms and a convolutional neural network. The algorithm categorizes feeding intensity into four levels: strong, medium, weak, and none. By collecting acoustic feeding signals from tilapia in a recirculating water system, these signals were converted into a spectrogram to visualize time-dependent amplitudes across different frequencies. An improved VGG16 model, incorporating a specially designed attention mechanism fusion module, was utilized to accurately assess feeding intensity. The experimental results indicate that the proposed method improves classification accuracy by 1.83% over the original model, achieving 94.37% accuracy, and increases computational speed by 2.77%. The model’s performance superiority was further validated by comparisons with other classical network models. This method offers an objective and automated way to detect fish feeding intensity, which can subsequently be applied to improve feed utilization in tilapia farming processes.</p>","PeriodicalId":8122,"journal":{"name":"Aquaculture International","volume":"33 4","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143698451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Global warming and sustainable aquaculture in Türkiye: the case of sea bass (Dicentrarchus labrax) and gilthead sea bream (Sparus aurata)","authors":"Mehmet Fatih Can,&nbsp;Yavuz Mazlum","doi":"10.1007/s10499-025-01926-9","DOIUrl":"10.1007/s10499-025-01926-9","url":null,"abstract":"<div><p>This study examines the impact of global warming on the sustainable aquaculture production of sea bass and sea bream in Türkiye. Using daily sea surface temperature (SST) data from 1982 to 2020 at four selected locations-Antalya Bay, the Black Sea, İskenderun Bay, and İzmir-the study identifies significant warming trends. The annual SST increase rates were determined as 0.046 °C, 0.08 °C, 0.049 °C, and 0.053 °C, respectively. A notable rise in the number of days with SST values exceeding 30 °C was observed, especially in Antalya Bay (1.51 days/year, reaching 53 days in 2020) and İskenderun Bay (1.86 days/year, reaching 74 days in 2020). Projections for 2040, 2060, and 2080 were conducted using time series analysis with ARIMA models, forecasting increasing SST trends. Under the maximum SST scenario for 2080, the estimated number of days with temperatures above 30 °C is expected to reach 170 days in Antalya, 136 days in the Black Sea, 180 days in İskenderun, and 132 days in İzmir. However, in the Iskenderun and Antalya Bays of the Mediterranean, which carry the highest potential risk for aquaculture practices, a decrease of approximately 7.15% and 45% in the number of days exceeding 30 °C for Iskenderun and Antalya Bays, respectively, can be reasonably expected based on depth-dependent temperature variation rates. The findings highlight the necessity of adaptive strategies for sustainable aquaculture, including species selection, technological advancements, and farm relocation efforts.\u0000</p></div>","PeriodicalId":8122,"journal":{"name":"Aquaculture International","volume":"33 4","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10499-025-01926-9.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143698688","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The ethylmalonic encephalopathy protein 1 (ETHE1) is involved in the regulation of antioxidation and apoptosis in Litopenaeus vannamei under hypoxia stress","authors":"Guangbo Wu,&nbsp;Xiaoxun Zhou,&nbsp;Shuo Fu,&nbsp;Yongkang Hou,&nbsp;Chaoan Guo,&nbsp;Jianyong Liu","doi":"10.1007/s10499-025-01916-x","DOIUrl":"10.1007/s10499-025-01916-x","url":null,"abstract":"<div><p>The ethylmalonic encephalopathy protein 1 (ETHE1/SDO) plays a pivotal role in sulfide metabolism and is involved in regulating the organism's tolerance to hypoxic environments. Nevertheless, the function of ETHE1 in <i>Litopenaeus vannamei</i>, particularly under hypoxic conditions, remains poorly understood. In this study, we amplified the <i>ETHE1</i> sequence of <i>L. vannamei</i> using PCR, which encompasses an 864 bp open reading frame (ORF) encoding a 287 amino acid polypeptide with a highly conserved Lactamase_B domain. RT-qPCR results demonstrated ubiquitous expression of <i>LvETHE1</i> across all tissues, with higher levels observed in the gill, muscle and hepatopancreas, and the lowest levels found in the abdominal ganglia. Hypoxia stress significantly upregulated the expression of <i>LvETHE1</i> in the gill, hepatopancreas, muscle, and intestine (<i>P</i> &lt; 0.05). <i>LvETHE1</i> RNA interference under hypoxia stress markedly increased the expression of antioxidant genes (<i>Nrf2, HO-1, Mn-SOD, CAT, GPX, and GST</i>) as well as apoptosis-related genes (<i>Caspase-3, Cyt-C, P53, Bax</i>) in both gill and hepatopancreas (<i>P</i> &lt; 0.05). The content of MAD and the activities of CAT, GPX, and SOD were variably enhanced in the gill and hepatopancreas. The injection of ds<i>LvETHE1</i> RNAi under hypoxia stress resulted in augmented apoptosis signals and more pronounced structural damage in the gill and hepatopancreas, as evidenced by TUNEL staining and histological observation. Moreover, it significantly increased shrimp mortality under hypoxia stress. These findings collectively indicated that <i>LvETHE1</i> is implicated in regulating antioxidant capacity, oxidative stress, and apoptosis processes within <i>L. vannamei.</i> The findings of this study hold significant importance for promoting prawn health and sustainable culture.</p></div>","PeriodicalId":8122,"journal":{"name":"Aquaculture International","volume":"33 4","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143698680","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Artemia biomass protein hydrolysate as a new feed for aquaculture: Litopenaeus vannamei (Mysis) performance","authors":"Rudã Fernandes Brandão Santos,&nbsp;Antonio Cesar Godoy,&nbsp;Leticia Fantini-Hoag,&nbsp;Sumara F. Gomes,&nbsp;Laene Bárbara Silva De Moraes,&nbsp;Thiago B. Cahú,&nbsp;Janilson Felix Silva,&nbsp;Alfredo Olivera Galvez,&nbsp;Claucia Aparecida Honorato,&nbsp;Ranilson De Souza Bezerra","doi":"10.1007/s10499-025-01919-8","DOIUrl":"10.1007/s10499-025-01919-8","url":null,"abstract":"<div><p>The development of alternative processing methods for <i>Artemia</i> biomass that maintains its nutritional properties and overcomes market restrictions and enables the creation of new diets to replace the use of live <i>Artemia nauplii</i>. Thus, this study consisted of two experiments: The first experiment evaluated six diets to feed <i>Litopenaeus vannamei</i> larvae in the Mysis stage. Diets consisted of CA<span>(_1)</span>, <i>Artemia nauplii</i>; APH, <i>Artemia</i> protein hydrolysate; APHC, <i>Artemia</i> protein hydrolysate concentrate; APHS, <i>Artemia</i> protein hydrolysate supernatant; DAB, dried <i>artemia</i> biomass; and LAB, lyophilized <i>Artemia</i> biomass. The results obtained in experiment 1 suggested that APH is a promising method for improving <i>Artemia</i> processing and that the correction of the feeding rate can improve the productive responses obtained with APH. To obtain greater reliability in the data obtained in experiment 1, a second experiment (Experiment 2) was performed using a control treatment = CA<span>(_2)</span> = <i>Artemia nauplii</i>., six APH levels in the diet of <i>Litopenaeus vannamei</i>, and two other treatments consisted of CC = microalgae <i>Chaetoceros</i> sp and CAC = <i>Artemia</i> + microalgae <i>Chaetoceros</i> sp. The results demonstrated that adjusting the number of daily feeds led to a decrease in total APH consumption without negatively impacting performance. The optimal feeding rate for <i>Litopenaeus vannamei</i> from Mysis I to III and PL I stages ranges between 118.5 and 178.5 <span>( mu )</span>L<span>( ^{-1} )</span> day<span>( ^{-1} )</span>. We conclude that APH presents a viable alternative to live <i>Artemia nauplii</i> and serves as a potential feedstock for shrimp larvae farming. This is attributed to its increased total protein solubility and the percentage of protein solubility enabled by the processing, along with its dry matter:soluble protein ratio and the non-enzymatic inhibition of trypsin. The feeding frequency plays a decisive role in the utilization of this ingredient. Furthermore, a higher feeding frequency reduces the importance of dietary peptides in the overall profile.</p></div>","PeriodicalId":8122,"journal":{"name":"Aquaculture International","volume":"33 4","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10499-025-01919-8.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143706965","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Correction to: Skin mucus DNA with MIG‑seq: a valuable combination for genome‑wide SNP typing in aquaculture fish","authors":"Tatsuki Onogi,&nbsp;Eitaro Sawayama","doi":"10.1007/s10499-025-01935-8","DOIUrl":"10.1007/s10499-025-01935-8","url":null,"abstract":"","PeriodicalId":8122,"journal":{"name":"Aquaculture International","volume":"33 4","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143688277","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of stocking density on growth, production, ecosystem dynamics, and economic viability of common carp (Cyprinus carpio) cage culture in a forest water body of Northeast India","authors":"Chandan Debnath","doi":"10.1007/s10499-025-01931-y","DOIUrl":"10.1007/s10499-025-01931-y","url":null,"abstract":"<div><p>This study investigated common carp cage culture at four stocking densities (20, 40, 60, and 80 fish/m3) in a forest water body in Tripura, Northeast India, from June to November 2020. Twelve 1m3 cages with iron netting were arranged in a completely randomized design with three replicates per treatment. Results showed that 60 fish/m3 provided optimal balance between production and ecosystem health, yielding maximum biomass (12.2 ± 0.8 kg/cage) with 92.6% survival, significantly higher (<i>p</i> &lt; 0.05) than other densities. Water quality parameters showed significant density-dependent variations (<i>p</i> &lt; 0.05), with dissolved oxygen decreasing from 4.6 ± 0.3 to 3.8 ± 0.5 ppm and pH declining from 6.2 ± 0.3 to 5.7 ± 0.5 at highest density. Nutrients increased significantly (<i>p</i> &lt; 0.05), with ammonia-N rising from 1.25 ± 0.1 to 1.35 ± 0.4 mg/L and phosphate from 0.15 ± 0.02 to 0.28 ± 0.04 mg/L inside cages. Soil organic carbon increased significantly from 0.8 ± 0.1% to 1.8 ± 0.3% below cages. Plankton density declined significantly (<i>p</i> &lt; 0.05), with phytoplankton decreasing from 425 × 103 to 290 × 103 ind/L and zooplankton from 850 to 450 ind/L. Benthic fauna abundance reduced from 350 ± 20 to 180 ± 40 ind/m2 (<i>p</i> &lt; 0.05). Economic assessment revealed highest benefit–cost ratio (2.76) at lowest density, but optimal net profit ($15.05 ± 0.75) at 60 fish/m3. The study concludes that moderate stocking density (60 fish/m3) offers the most sustainable approach for common carp cage culture in forest water bodies, balancing production, ecosystem health, and economic returns.</p></div>","PeriodicalId":8122,"journal":{"name":"Aquaculture International","volume":"33 4","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143688378","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Freeze-drying of Bacillus amyloliquefaciens COFCAU_P1 probiotics: process optimization, and evaluation of its immunoprotective role in Labeo rohita","authors":"Tanmoy Gon Choudhury,&nbsp;Sangita Roy,&nbsp;Suraj Kumar,&nbsp;Debaprasad Rath,&nbsp;Supratim Malla,&nbsp;Partha Sarathi Tripathy,&nbsp;Dibyendu Kamilya,&nbsp;Janmejay Parhi,&nbsp;Ratan Kumar Saha,&nbsp;Arun Bhai Patel","doi":"10.1007/s10499-025-01922-z","DOIUrl":"10.1007/s10499-025-01922-z","url":null,"abstract":"<div><p>This study optimized the freeze-drying process for the <i>Labeo rohita</i> gut-derived probiotic <i>Bacillus amyloliquefaciens</i> COFCAU_P1 and assessed its immunoprotective effects in <i>L. rohita</i>. Freeze-drying stabilizes probiotics but often reduces viability. To improve preservation, 24 protectant combinations were tested, with 10% trehalose and 2% gum Arabic proving the most effective. This combination maintained 99.02% viability immediately after freeze-drying and 92.44% and 91.87% after 180 days at room temperature and 4 °C, respectively. Scanning electron microscopy confirmed structural integrity. The optimized freeze-dried formulation (BAFP) exhibited superior thermal, pH, and bile tolerance compared to its fresh form (BA), retained antimicrobial activity against aquaculture pathogens, and preserved digestive enzyme production, hydrophobicity, aggregation, and antioxidant properties. Feeding <i>L. rohita</i> with BAFP (1 × 10⁹ cells g⁻¹ feed) for 28 days significantly enhanced serum NBT, anti-protease, myeloperoxidase activities, albumin, and total protein while reducing glucose, SGOT, SGPT, CK-MB, and alkaline phosphatase. It also upregulated immune genes (<i>TNF-α, C3, Lysozyme, IFN-ɣ</i>) and downregulated <i>iNOS</i> in the head-kidney and liver. Challenge trials with <i>Aeromonas hydrophila</i> ATCC 7966, <i>A. salmonicida</i> subspecies <i>salmonicida</i> COFCAU_AS, and <i>A. veronii</i> COFCAU_AV1 showed significantly higher survival in BAFP-fed fish. These findings demonstrate that the optimized freeze-dried <i>B. amyloliquefaciens</i> formulation enhances probiotic stability and boosts host immunity, offering effective protection against bacterial pathogens in aquaculture.\u0000</p></div>","PeriodicalId":8122,"journal":{"name":"Aquaculture International","volume":"33 4","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143676232","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Chitosan-tripolyphosphate nanoparticles as a novel vehicle for DNA vaccine delivery: combatting Aeromonas hydrophila in zebrafish","authors":"Pradisha Prem,&nbsp;Chinnaperumal Kamaraj,&nbsp;Sugumar Vimal,&nbsp;Khalid A. Al-Ghanim,&nbsp;Cittrarsu Vetrivel,&nbsp;Eswaramoorthy Thirumalaikumar","doi":"10.1007/s10499-025-01927-8","DOIUrl":"10.1007/s10499-025-01927-8","url":null,"abstract":"<div><p>Over the past few decades, aquaculture has been steering the giant wheel of the world’s food production system. A number of significant diseases, such as dropsy, swelling of tissues, and haemorrhagic septicemia, are triggered by various bacterial species. In this study, we aimed to develop and achieve oral delivery of <i>pVAX-Aly</i> (Aerolysin) DNA vaccines in biodegradable nanoparticles using a zebrafish (<i>Danio rerio</i>) model to enhance defence against <i>Aeromonas hydrophila</i> infection. We utilized the pathogenic gene <i>Aerolysin</i> (<i>Aly</i>), which is linked to the virulence of <i>A. hydrophila</i>, to construct a DNA vaccine using the <i>pVAX1</i> vector, designated as the <i>pVAX-Aly</i> DNA vaccine. Additionally, chitosan-tripolyphosphate nanoparticles (Cs/TPP-NPs) were formulated, functional groups were characterized by Fourier Transform Infrared (FT-IR) spectroscopy, morphology was determined by Field Emission Scanning Electron Microscopy (FE-SEM) (50.6 nm ± 52.8 nm), and transmission electron microscopy (TEM) imaging showed dimensions of ~ 0.5 to 1 µm. The Cs/TPP-NPs were utilized to encapsulate the <i>pVAX-Aly</i> DNA vaccine. The effectiveness of encapsulation of Cs/TPP-NPs was determined to be 78.5%. The lyophilized <i>pVAX-Aly</i> DNA-Cs/TPP complex preparations were fed to the fish, and the tissue distribution of <i>pVAX-Aly</i> was studied by polymerase chain reaction (PCR). Histopathological examination suggested no cell lesions and no negative impact on the vaccinated fish. Furthermore, quantitative real-time PCR (qRT-PCR) was assessed, and the immune-related genes <i>transferrin</i>, <i>lysozyme</i>, tumor necrosis factor-alpha (<i>TNF-α</i>), and heat shock protein 70 (<i>HSP70</i>) also exhibited significantly higher expression after immunization. Additionally, the exposure of different concentrations of Cs/TPP-NPs to <i>Danio rerio</i> fibroblast (<i>Dr</i>F) cell lines revealed no significant morphological abnormalities. The findings from this study demonstrated that the Cs/TPP-NPs encapsulated DNA vaccine administered through feed could improve disease resistance to <i>A. hydrophila</i> infection via upregulation of the immune-related gene (<i>transferrin</i>, <i>lysozyme</i>, <i>TNF-α</i>, and <i>HSP70</i>), good tissue distribution, maintenance of histological integrity, and enhancement of leukocyte population in <i>Danio rerio.</i></p></div>","PeriodicalId":8122,"journal":{"name":"Aquaculture International","volume":"33 3","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143667973","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A comparative study of natural or artificial feed on physiological health and gut microbiota in mandarin fish (Siniperca chuatsi)","authors":"Wei Fang,&nbsp;Xiangjun Leng,&nbsp;Biao Yun,&nbsp;Lei Wang,&nbsp;Xueqiao Qian","doi":"10.1007/s10499-025-01923-y","DOIUrl":"10.1007/s10499-025-01923-y","url":null,"abstract":"<div><p>Mandarin fish (<i>Siniperca chuatsi</i>) aquaculture faces sustainability challenges due to its reliance on live prey fish. Although artificial feed (AF) has ecological and economic advantages, the effects of artificial feed on physiological health and gut microbiota in mandarin fish are still unclear. This study aimed to determine the effects of AF on the digestive enzymes, antioxidative capacity, endoplasmic reticulum (ER) stress, inflammation, and gut microbiota in mandarin fish. Healthy and same-sized juvenile mandarin fish (average weight, 25.1 ± 0.1 g) were randomly divided into eight experimental cages (300 L) in quadruplicate (40 fish per cage). The fish in the control group were fed with Indian mrigal carp (<i>Cirrhinus mrigala</i>) with 17.2% wet-weight protein and 4.3% wet-weight lipid, while the fish in the AF group were supplied with an artificial diet. Fish were hand-fed to apparent satiation for 8 weeks. The results showed that the activities of digestive enzymes were 66–193% higher in the AF group compared with the control group. Artificial diet increased the content of malondialdehyde in the intestine of mandarin fish by 85%. Furthermore, the mRNA levels of ER stress-related genes, including <i>X-box binding protein 1</i> (<i>xbp1</i>) and <i>CCAAT/enhancer-binding protein-homologous protein</i> (<i>chop</i>), were 63–79% higher in the AF group compared with the control group. Regarding cytokine expression, the mRNA levels of <i>interleukin-8</i> (<i>il-8</i>) and <i>tumor necrosis factor alpha</i> (<i>tnfα</i>) were 62–418% higher in the AF group. In addition, artificial feed enhanced the α-diversity of the gut microbiota. The relative abundance of <i>Lactococcus</i> in the intestine was higher in the AF group. In conclusion, artificial feed enhanced the activities of digestive enzymes and the stability of the intestinal microecosystem while simultaneously inducing oxidative stress, ER stress, and inflammation in the intestine of mandarin fish. Thus, feed additives with antioxidant and immune-enhancing functions may be used in the process of artificial feed replacing live prey fish. This study provided theoretical guidance for the improvement of mandarin fish artificial feed.</p><h3>Graphical Abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":8122,"journal":{"name":"Aquaculture International","volume":"33 3","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143667986","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of background color on growth performance and carotenoid content in different body color strains of the Chinese mitten crab Eriocheir sinensis","authors":"Dongdong Zhang,&nbsp;Maolei Wei,&nbsp;Xuan Zhou,&nbsp;Xiaodong Jiang,&nbsp;Rahma Sakina Said Aly,&nbsp;Xiaowu Chen,&nbsp;Xugan Wu","doi":"10.1007/s10499-025-01911-2","DOIUrl":"10.1007/s10499-025-01911-2","url":null,"abstract":"<div><p>Although crustaceans exhibit heritable variations in body color, the effects of body color and background color on culture performance and color parameters remains largely unexplored. Thus, this study investigated the effects of background color (white, black, and green) on the culture performance, color parameters, and carotenoid content of three different body color (red, white, and green carapace strains) juvenile Chinese mitten crab (<i>Eriocheir sinensis</i>). The results showed that the body color significantly influenced body weight (<i>P</i> &lt; 0.05), whereas the background color did not exhibit any notable influence on the culture performance. Body color and its interaction with background color significantly altered the lightness (<i>L</i>*), redness (<i>a</i>*), and yellowness (<i>b</i>*) of the carapace (<i>P</i> &lt; 0.05). Moreover, body color and background color significantly affected the carotenoid content in the carapace (<i>P</i> &lt; 0.05), although only body color exhibited a significant effect on total carotenoids in the inner membrane (<i>P</i> &lt; 0.05). In conclusion, these findings highlight the importance of background color and provide new insights into the variations in body color of <i>E. sinensis</i>.\u0000</p></div>","PeriodicalId":8122,"journal":{"name":"Aquaculture International","volume":"33 3","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143655425","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}