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Impacts of integration of mola with prawn–carp gher farming: An approach to enhance household fish consumption and family income J. World Aquac. Soc. (IF 2.8) Pub Date : 2024-03-17 Shikder Saiful Islam, Saikat Ranjan Mondal, Joyanta Bir, Wasim Sabbir, Md. Abul Kalam Azad, Md. Abdul Wahab, Russell Borski, Khandaker Anisul Huq
This study investigated the production performance, household fish consumption, and commercial feasibility of prawn–carp–mola mixed gher farming system. Three treatments with different species compositions were compared: prawn + rohu, prawn + mola, and prawn + rohu + mola, each having different stocking densities. The results indicated that the integration of mola improved the utilization of feed protein
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Improved growth, body composition, and fatty acid composition in striped catfish juveniles, Pangasianodon hypophthalmus, fed with diets containing different oil sources J. World Aquac. Soc. (IF 2.8) Pub Date : 2024-03-12 Nguyen Van Nguyen, Pham Nhu Hao, Pham Duy Hai, Le Thanh Hung
Striped catfish are one of the main aquaculture species in Asia. However, the low level of omega‐3 fatty acids in its body makes this species less attractive compared with marine fish. This study aimed to investigate the effect of different oils on growth performance, body composition, and fatty acids in striped catfish juveniles. A basal diet (T0) was formulated to contain no oil, while four other
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Effects of compound plant extracts on growth performance, antioxidant capacity, and histomorphology of liver and intestine of rice field eel (Monopterus albus) J. World Aquac. Soc. (IF 2.8) Pub Date : 2024-03-11 Ao Luo, Chunling Song, Xiao Wu, Min Li, Chuanxin Shi, Shanshan Wu, Wei Lei, Peng Fang, Mo Peng
Compound plant extracts (CPE) are beneficial for aquatic animals on growth performance and antioxidant capacity. A 56‐day experiment was conducted to investigate its positive effect on rice field eel. The fish were fed a commercial diet and supplementing CPE (mainly containing eucommia polysaccharides, reducing sugar) at 0, 0.8, 1.6, 2.4, and 3.2 g/kg. Results showed that dietary CPE significantly
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Productivity versus environmental sustainability: A broadscale assessment of freshwater aquaculture's technical efficiency and ecological efficiency in China's inland provinces J. World Aquac. Soc. (IF 2.8) Pub Date : 2024-03-09 Zhina Wang, Xuan Chen, Longzhong Shi, Xiaoheng Zhang, Yijuan Hu
Promoting the productivity and environmental sustainability of aquaculture is critical in ensuring its healthy development. This study assesses freshwater aquaculture's technical efficiency and ecological efficiency in China's 19 inland provinces from 2008 to 2019, aiming to reveal its productivity and environmental sustainability status. We employ the three‐stage Data Envelopment Analysis‐CCR (T‐DEA‐CCR)
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Use of fermented malted barley by‐product as partial feed replacement and carbon source for rearing Nile tilapia (Oreochromis niloticus) juveniles J. World Aquac. Soc. (IF 2.8) Pub Date : 2024-03-07 Miguel Cabanillas‐Gámez, Juan Gómez‐Cadena, Mario A. Galaviz, Gustavo Alejandro Rodríguez‐Montes de Oca, Fernando Figueroa‐Saavedra, Lus M. López, Idaly Trejo‐Escamilla, Fernando Barreto‐Curiel, Gilberto López‐Valencia
The present research evaluates the performance of the Nile tilapia (Oreochromis niloticus) (initial weight 11.5 ± 0.07 g) with biofloc technology. For this purpose, spent grains (malted barley) from the brewing industry after aerobic fermentation were used, as both a carbon source (suspended solids) and partial substitute for the diets at 0, 10, 20, 30, and 40% levels (settleable solids). The partial
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Farm strategies and characteristics influencing profitability in Nigerian catfish aquaculture: Lessons on resilience during economic crisis and COVID‐type shock J. World Aquac. Soc. (IF 2.8) Pub Date : 2024-02-28 Olanrewaju Femi Olagunju, Dadi Kristofersson, Tumi Tómasson, Theódór Kristjánsson
Since the early 2000s, aquaculture in Nigeria has grown exponentially. African catfish aquaculture was a major contributor to this expansion. However, a fall in output started in 2015, mostly due to challenging economic conditions which affected farmer's profitability. This challenge has been exacerbated by the COVID‐19 pandemic. Notwithstanding, some catfish farms remained profitable. This study investigates
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Small‐scale hatchery of common carp, Cyprinus carpio L., in the highlands of Madagascar: Technical approach to improve fry production J. World Aquac. Soc. (IF 2.8) Pub Date : 2024-02-27 Samuel Rakotoambinina, Damien Desprez, Henri Adelphe Andriniaina, Fanomezantsoa Randriarilala, David Rakotomavo, Lovasoa Rakotoasimbola, Mamy Andriantsoa, Léo Godard
In Madagascar, fish farming is a complementary activity to agriculture, developed mainly in the highlands region. The common carp, Cyprinus carpio L., is the main species farmed. The availability of fingerlings is one of the key constraints facing the sector. The present study shows the benefit of an appropriate feed and feeding regime to both broodfish and larvae/fry and also the positive impact of
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Identification of CTNNB1 in the lined seahorse, Hippocampus erectus, and its function in innate immunity and cell proliferation J. World Aquac. Soc. (IF 2.8) Pub Date : 2024-02-27 Lele Zhang, Fang Wang, Chunhui Lv, Lanliang Yu, Xiaojing Ci, Ning Zhang, Longwu Jia, Yuanyuan Xue, Xu Zhang, Xiaolei Su, Kai Wang
β‐Catenin (CTNNB) is a core downstream mediator in the Wnt/β‐catenin signaling pathway, which plays a role in immune regulation and cell differentiation. In the present study, two CTNNB genes were identified by genomic analysis of Hippocampus erectus and named He‐CTNNB1 and He‐CTNNB2. He‐CTNNB1 was more conserved than He‐CTNNB2. The full length of He‐CTNNB1 was 2369 bp, including an open reading frame
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Skeletal anomalies in gilthead seabream (Sparus aurata) larvae reared in different densities and water volumes J. World Aquac. Soc. (IF 2.8) Pub Date : 2024-02-24 Zachary Dellacqua, Claudia Di Biagio, Arianna Martini, Francesco Mattei, Arnold Rakaj, James C. Williams, Andrea Fabris, Marisol Izquierdo, Clara Boglione
This study describes the effects on the skeletal phenotype of two pivotal factors, density and water volume, don the hatchery (larval) phase of gilthead seabream (Sparus aurata) larvae previoulsy described for two model species (Danio rerio and Oryzias latipes) and sub‐adult (pre‐ongrowing) gilthead seabream (Sparus aurata). The experimental trial was conducted using single conditions in a pilot study
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Live feed enrichments using microalgae for pikeperch (Sander lucioperca) larval culture J. World Aquac. Soc. (IF 2.8) Pub Date : 2024-02-23 C. Yanes‐Roca, K. Štěrbová, J. Mráz, L. Veselý, O. Malinovskyi, T. Pěnka, J. Masojídek, T. Policar
This trial aimed to customize pikeperch (Sander lucioperca) larval nutrition using live feed enrichments based on Chlorella vulgaris and Trachydiscus minutus. Pikeperch larvae were fed with rotifers and Artemia enriched with C. vulgaris and T. minutus during the first 17 days after exogenous feeding (started 4 days post‐hatching [dph]) and only Artemia until 20 dph. Larvae were exposed to seven different
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Effects of stocking density during simulated transport on physiology and behavior of largemouth bass (Micropterus salmoides) J. World Aquac. Soc. (IF 2.8) Pub Date : 2024-02-21 Yifei Yang, Edward Narayan, Sonia Rey Planellas, Clive J. C. Phillips, Lu Zheng, Bingying Xu, Lei Wang, Yuechong Liu, Yuxiao Sun, Gladstone Sagada, Hao‐Yu Shih, Qingjun Shao, Kris Descovich
The live transport of farmed fish is an important practice in Chinese aquaculture due to consumer preferences in its domestic market. However, live transport can be stressful for fish and may cause many welfare issues. This study aimed to examine the effects of transport density on the welfare of largemouth bass (Micropterus salmoides). Adult fish were allocated to four experimental treatments in a
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Effects of microalgae diets on growth, proximate, and fatty acid composition of black mussel, Mytilus galloprovincialis J. World Aquac. Soc. (IF 2.8) Pub Date : 2024-02-13 Kamil Mert Eryalçın, Zeynep Sena Pınarbaşı, Sare Sena Turk, Merve Tınkır
This study evaluates the growth, proximate, and fatty acid composition of black mussel, Mytilus galloprovincialis fed four marine microalgae (Pavlova lutheri, Nannochloropsis oculata, Diacronema vlkianum and Rhinomonas reticulata) diets for 21 days. Black mussel is a common bivalve species that has been recognized as important for marine aquaculture with increasing production in the last two decades
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Effects of dietary supplementation with Haematococcus pluvialis on the growth, antioxidantase activities, and gut microbiota of Chinese mitten crab (Eriocheir sinensis) J. World Aquac. Soc. (IF 2.8) Pub Date : 2024-02-09 Yong Dou, Xiangdong Bi
The Chinese mitten crab (Eriocheir sinensis) is bred extensively in Eastern and Northern China and faces a series of problems such as frequent diseases, germplasm degradation, and declining benefits, which have appeared to seriously affect the sustainable development of the cultivation industry. Haematococcus pluvialis, a type of unicellular green algae, have been proven to be the suitable dietary
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Structural integrity of a submersible sea cage exposed to extreme oceanographic conditions J. World Aquac. Soc. (IF 2.8) Pub Date : 2024-02-08 Jesús López, Carlos Felipe Hurtado, Jean Pierre Toledo, Gonzalo Suazo, Víctor Zamora, Dante Queirolo, Alfonso Gutiérrez
This study focuses on the structural integrity analyses of a submersible cage with dimensions of 20 m in diameter and 10 m depth under extreme oceanographic conditions, including current speed of 0.5 and 1 m/s, combined with waves ranging from 2 to 5 m in height and a period of 7 s. Employing a dynamic simulation model based on finite elements, The study examines the stresses in the cage´s pipes, as
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Factors affecting feed conversion ratios in US commercial catfish production ponds J. World Aquac. Soc. (IF 2.8) Pub Date : 2024-02-08 Nathan M. Stone, Carole R. Engle, Ganesh Kumar, Menghe H. Li, Shraddha Hegde, Luke A. Roy, Anita M. Kelly, Larry Dorman, Matthew S. Recsetar
Feed conversion ratio (FCR) is widely used as a measure of feed use efficiency in commercial aquaculture production and research. Surprisingly, little work has focused on the factors that affect FCR in plankton-based, commercial ponds despite the widespread use of FCR as a production metric. Proposals to use FCR as a numeric standard for environmental regulation (mandatory or voluntary) raise questions
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Cutting-edge technologies for detecting and controlling fish diseases: Current status, outlook, and challenges J. World Aquac. Soc. (IF 2.8) Pub Date : 2024-01-29 Sk Injamamul Islam, Foysal Ahammad, Haitham Mohammed
Aquaculture is now the main source of seafood in human diets and is one of its fastest-growing industries worldwide. However, the industry is facing several difficulties, including infectious diseases, the most significant limiting factor for aquaculture expansion. The impact of diseases on aquaculture growth, fecundity, mortality rates, and marketability is profound. Hence, the ability to predict
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Partially replacing plant protein sources with torula yeast in rainbow trout (Oncorhynchus mykiss) feed increases growth and factors related to immune status J. World Aquac. Soc. (IF 2.8) Pub Date : 2024-01-31 Ricardo D. Ekmay, Elisabeth Plagnes-Juan, Pierre Aguirre, Anne Surget, Frédéric Terrier, Laura Frohn, Sandrine Skiba-Cassy
In this study, the impact of adding 10% or 20% torula yeast (PB TY10 and PB TY20) to a fishmeal-free diet on digestibility and growth of juvenile rainbow trout was assessed. The yeast diets were compared with a plant-only diet (PB) and a diet containing 20% fishmeal (FM). The apparent digestibility of dry matter, protein, energy, and ash of yeast in trout (~120 g) were 78.6%, 93.8%, 84.8%, and 48.7%
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Assessing the impact of dietary polystyrene nanoplastics on growth performance, immunological parameters, and antioxidant defense in zebrafish (Danio rerio) J. World Aquac. Soc. (IF 2.8) Pub Date : 2024-01-07 Ehsan Ahmadifar, Poulin Shohreh, Naser Kalhor, Mohsen Shahriari Moghadam, Sevdan Yilmaz, Sedigheh Mohammadzadeh, Mostafa Khajeh, Safoura Abarghouei
This trial was performed in order to investigate the response of zebrafish (Danio rerio) to dietary exposure to polystyrene nanoplastics (PS-NPs) under laboratory conditions on fish growth and health. Healthy zebrafish (n=240) were divided into 12 tanks and fed with diets including 0 (T0), 100 (T1), 500 (T2), and 1000 (T3) mg kg−1 synthesized polystyrenes nanoplastics (PS-NPs) for 30 days. At the end
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Identification of new yeast strains, Candida zeylanoides Y12-3 and Hyphopichia pseudoburtonii Y12-1, from the intestinal tract of rainbow trout, Oncorhynchus mykiss, with potential probiotic characteristics J. World Aquac. Soc. (IF 2.8) Pub Date : 2024-01-01 Özge Çayli Bektaş, Behire Işıl Didinen, Ertan Emek Onuk, Sevdan Yilmaz, Hany M. R. Abdel-Latif
In this study, 2 yeasts, Candida zeylanoides isolate Y12-3 (MN073455.1) and Hyphopichia pseudoburtonii isolate Y12-1 (MN073489.1), were isolated from rainbow trout hindguts. Their identity was confirmed by amplification of internal transcribed spacer (ITS) gene regions. Their in vitro probiotic properties showed that they were hydrophobic and did not inhibit bacterial growth. However, they displayed
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Aquaculture practices in Bangladesh: A synopsis on prospects, productivity, and problems J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-12-13 Chironjib Singha Samanta Chandan, Puja Roy
Aquaculture is one of the most prominent sectors of Bangladesh regarding nutrition, livelihood, and revenues. Although this nation has made promising improvements in aquaculture, several existing and imminent challenges can disrupt further development. Until now, no studies have extensively reviewed the existing aquaculture practices of this nation. Thus, this article elucidates the prospects, production
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Potential economic impact on U.S. aquaculture of injurious species listing of major aquaculture species J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-12-08 Carole Ruth Engle, Jonathan van Senten, Quenton M. Tuckett, Jeffrey E. Hill
Regulatory changes to the Lacey Act and recent petitions to add aquaculture species in trade to the list of injurious wildlife could lead to prohibitions of interstate movement of live aquatic organisms with the potential for unintended, negative economic consequences. In this analysis, the economic impact of the potential federal prohibition of interstate transport of seven aquaculture species (blue
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Evaluation of dietary methionine sources on growth performance and antioxidant potential of gilthead seabream juveniles reared at high water temperature J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-12-07 Lúcia Vieira, Rui Magalhães, Nicole Martins, Filipa Fontinha, Carolina Castro, Helena Peres, Yves Mercier, Tahir Mahmood, Waldo G. Nuez-Ortín, Aires Oliva-Teles
Methionine (Met) is one of the most limiting essential amino acids in aquafeeds, and different commercial feed-grade Met sources are available for diet supplementation, namely L-Met, DL-Met, and hydroxy-Met (OH-Met). In this work, we compared the bioefficacy of OH-Met and DL-Met as diet supplements for gilthead seabream (Sparus aurata) juveniles reared at normal (22°C) and high (29°C) water temperatures
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Sustainable feed formulation to community-based aquaculture: Oreochromis niloticus fingerlings performance and antioxidant status J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-12-02 Sílvia F. S. Pires, Inês Vital, Vitória Pereira, Henriques Bustani, Cláudia Aragão, Sofia Engrola, Miguel Cabano, Jorge Dias, Amadeu M. V. M. Soares, Andreia C. M. Rodrigues, Rui J. M. Rocha
Community-based aquaculture can reduce dependence on natural resources, promote biodiversity conservation, and improve local economies and food security. However, this activity is highly dependent on local conditions regarding natural resources, such as the availability of produced organisms, adequate feeds, and environmental factors. As ectothermic organisms, fish are more susceptible to temperature
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Effects of the interaction between tank color and type of feed pellets on biological and physiological indicators in red hybrid tilapia (Oreochromis mossambicus × Oreochromis niloticus) juveniles reared in brackish water J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-11-28 Ashraf Y. El-Dakar, Shymaa M. Shalaby, Mohammed F. El Basuini, Mayada N. Atiya, Al-Shaimaa M. Yakop, Elsayed M. Younis, Abdelwahab A. Abdelwarith, Simon J. Davies, Mohamed F. Abdel-Aziz
The present work aimed to investigate the impacts of tank color (transparent, light blue, and red), feed pellet types (floating and sinking), and their interaction on the performance and welfare of red hybrid tilapia juveniles with an initial average weight of 19.59 g for a 50 day trial period following a 3 × 2 factorial design. Fish were cultured randomly at a stoking rate of 10 juveniles/100-L tank
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Assessing socio-environmental suitability and social license of proposed offshore aquaculture development: A Florida case study J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-11-27 Amanda G. Guthrie, Nicole Barbour, Sara E. Cannon, Sara E. Marriott, Phoebe Racine, Ruth Young, Ashley Bae, Sarah E. Lester, Adriane Michaelis
Offshore aquaculture is a growing industry, but a lack of social acceptance is limiting development, including within the USA. We used the Gulf Coast of Florida, where there has been industry and government interest in development, as a case study to explore offshore aquaculture potential and methods for integrating stakeholder concerns into offshore aquaculture development. We assessed (1) social
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Effect of dietary β-glucan supplementation on growth performance, body composition, intestinal microbes, and capacity against pathogen of golden trevally (Gnathanodon speciosus, family Carangidae) J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-11-20 Hoang Do-Huu, Sang Minh Huynh, Hue Thi Nguyet Nguyen, Ky Xuan Pham
The efficacy of dietary β-glucan supplementation in golden trevally (Gnathanodon speciosus) was evaluated. The fish were fed five different diets supplemented with 0%, 0.05%, 0.10%, 0.20%, and 0.40% β-glucan for 56 days. After 56 days of culture, survival was the highest when the fish were fed a 0.10% β-glucan diet. Growth rates were higher in fish fed diets supplemented with all β-glucan levels. Lymphocytes
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Effect of biofloc technology in Farfantepenaeus aztecus culture: The optimization of dietary protein level on growth performance, digestive enzyme activity, non-specific immune response, and intestinal microbiota J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-11-14 Ercument Genc, Dogukan Kaya, Munevver Ayce Genc, Emre Keskin, Hijran Yavuzcan, Derya Guroy, Ahmet Gurler, Koray Umut Yaras, Atakan Pipilos, Berna Funda Ozbek, Bilgenur Harmansa Yilmaz, Mevlut Aktas
In this study, a biofloc technology (BFT) based 90-day feeding trial was performed to estimate the effects of four different dietary protein levels (290, 320, 350 and 380 g protein kg−1 diet; 29P, 32P, 35P, and 38P, respectively) on growth performance, digestive enzyme activity, non-specific immune response, whole-body proximate and fatty acid composition and intestinal microbiota of Farfantepenaeus
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Utilizing ISSRseq genotyping to assist growth selection in tomato grouper (Cephalopholis sonnerati) without broodstock information J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-11-08 Te-Hua Hsu, Pei-Yun Chu, Hong-Yi Gong, Fan-Hua Nan, Chang-Wen Huang
Growth selection in fish is essential for aquaculture; however, long generation times and artificial breeding limitations present challenges for breeding endeavors. The tomato grouper (Cephalopholis sonnerati) is an emerging aquaculture species with a generation cycle of at least 5 to 10 years. Mixed culture of broodstocks and natural mating are commonly employed in hatcheries. To expedite the selection
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Growth, condition factor, and survival of juvenile channel (Ictalurus punctatus), blue (I. furcatus), and hybrid (I. punctatus × I. furcatus) catfish at moderate and high temperatures J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-11-10 Brandon J. Gerhart, Charles C. Mischke, Peter J. Allen
Although hybrid catfish (Ictalurus punctatus × I. furcatus) now constitute about half of the industry production, few studies have assessed comparative growth and survival with other commercially important catfish. Growth assessment is particularly important at moderate to high temperatures because of the direct influence of temperature on ectothermic organisms and the increasing trend of warm to extreme
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The effects of different ratios of mixed feeding of Scenedesmus dimorphus to Cyclotella sp. on the growth performance, pearl production ability, and biochemical components of the new shell tissue of Hyriopsis cumingii J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-11-03 Zhang Bo, Sheng Peng, Yunxian Qian, Ruibing Peng, Xiamin Jiang
In order to screen out the feeding ratio of high-quality algae strains in Hyriopsis cumingii, this experiment investigated the effects of different ratio of mixed feeding of two algae strains (Scenedesmus dimorphus and Cyclotella sp.) on the growth, bead production performance, trace elements, and amino acid composition of the newborn shell of H. cumingii. The results showed that the mixed feeding
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Additive-genetic relationships of growth and morphometrics to meat yield traits in Macrobrachium nipponense (De Haan, 1849) J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-11-03 Hui Wang, Tianyu Guan, Long Wang, Yi Zhang, Qianqian Zhu, Guoliang Chang, Nan Wu
Based upon mixed linear model and incomplete diallel cross between different strains of Macrobrachium nipponense, the additive-genetic correlations of growth and morphometrics with meat yield traits in M. nipponense were estimated using the minimum norm quadratic unbiased estimation procedure. Path analysis method was utilized to investigate the overall additive-genetic determinations of growth and
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The effects of Capsicum annuum oleoresin, as a dietary carotenoid, on growth, gut microbiome, intestinal histomorphometry, and sensory characteristics of Oncorhynchus mykiss J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-11-06 Sevdan Yilmaz, Ekrem Şanver Çelik, Sebahattin Ergün, Mert Gürkan, Fevziye Işıl Kesbic, Hany M. R. Abdel-Latif
This study was designed to explore the dietary effects of Capsicum annuum oleoresin (CAO) on growth, body composition, sensory characteristics, gut microbiome, and intestinal histomorphometry of rainbow trout. Fish (195.13 ± 1.55 g) were fed diets with various CAO levels (0.0-Control, 7.0- g kg −1 C7, 14.0 g kg −1 -C14, 21.0 g kg −1-C21, and 28.0 g kg −1-C28) for a 30-day period. Results revealed that
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Evaluation of distiller's dried grains with solubles in diets for Pacific white shrimp, Litopenaeus vannamei, reared under pond conditions J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-11-05 Romi Novriadi, Vivi Endar Herawati, Slamet Budi Prayitno, Seto Windarto, Ronnie Tan
Most studies evaluating the use of distiller's dried grains with solubles (DDGS) to partially replace the use of soybean meal (SBM) in diets of shrimp Litopenaeus vannamei have been carried out under laboratory conditions, which has significant differences in terms of environmental and culture conditions with the out-door commercial pond. This study aims to extrapolate the laboratory trials into the
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Effects of dietary corn and protein levels on physical properties of extruded feed pellets and growth performance of rainbow trout, Oncorhynchus mykiss J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-11-03 Amir Soltani Alkoei, Sayed Mohammad Ali Jalali, Seyed Amir Hossein Jalali, Farshid Kheiri
The dietary protein levels and source of starch are factors in the economical production of feeds, which may change the physical quality of extruded pellets and the growth performance of fish. Eight feeds contained two protein levels and four levels of wheat flour substitutions by corn, as a 2 × 4 factorial experimental design, were produced by a twin-screw extruder machine and fed to 800 rainbow trout
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Characterization of the toll-like receptor 13 homologs in American bullfrogs, Lithobates catesbeianus, and their involvement in antimicrobial immunity J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-10-24 Peikui Yang, Jude Juventus Aweya, Lifan Guo, Yalei Yang, Xuelian Ye, Hao Yang, Yaqun Liu, Yuzhong Zheng
Toll-like receptors (TLRs) are an important family of pattern-recognition receptors that recognize a series of pathogen-associated molecular patterns to trigger the host immune response. In the present study, we identified three TLR13 genes (i.e., LcLTR13a, LcTLR13b, and LcTLR13c) in American bullfrogs, Lithobates catesbeianus, and explored their constitutive and pathogen-induced expression profile
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Genome-wide insights into whole gut microbiota of rainbow trout, Oncorhynchus mykiss, fed plant proteins and camelina oil at different temperature regimens J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-10-16 John N. Idenyi, Mosope F. Abanikannda, David H. Huber, Ann L. Gannam, Wendy M. Sealey, Jonathan C. Eya
Gut microbiota impacts fish metabolism, nutrient utilization, and health. We know little about how temperature and diet interact with rainbow trout gut microbes. A total of 288 fish (average body weight: 45.6 g) fed four iso-caloric, -lipidic, and -nitrogenous diets comprised crude protein (40%) and lipid (20%) manufactured as 100% animal-based protein (AP) and blend of 50 fish oil (FO)/50 camelina
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Effect of dietary inclusion of mannan oligosaccharides on the efficacy of a novel hydrogen peroxide-inactivated vaccine against Streptococcus agalactiae in Nile tilapia J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-10-14 Fernando Carlos Ramos-Espinoza, Victor Alexander Cueva-Quiroz, Norquis Caled Alvarez-Rubio, Nicoli Paganoti de Mello, Julieta Rodini Engrácia de Moraes
Mannan oligosaccharides (MOS) have shown to stimulate immune response in different fish species, but the results may appear contradictory and have not been tested in conjunction with vaccination. We hypothesized that dietary MOS supplementation could enhance efficacy and immune responses after immunization with a novel hydrogen peroxide-inactivated vaccine. Nile Tilapia, Oreochromis niloticus, fingerlings
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Shrimp farming advances, challenges, and opportunities J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-10-11 Humberto Villarreal
We have seen a significant growth of the shrimp industry over the last decade. Total imports in 2022 were 3,248,338 ton (Van der Pijl, 2023), with additional production in China estimated at 1,487,501 ton (Fu-Chi, 2023). China and Vietnam in Asia (945,791 ton) and the US (837,622 ton) absorbed most of the growth in shrimp production. Ecuador has seen a compound annual growth rate (CAGR) of 17% from
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Sperm quality of Litopenaeus vannamei fed fresh or experimental food in two culture systems J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-10-05 Xurxo Barral-Pintos, Miguel Arévalo, Karla Escalante, Martín Arenas, Rodrigo Morones, Eduardo Velazquez, Gabriela Gaxiola
The growth of shrimp production through aquaculture has led to efforts to optimize processes such as nutrition during the prematuration and reproductive phases. This study sought an optimal culture system and diet to enhance the reproductive characteristics of male Litopenaeus vannamei during prematuration: this compared biofloc with clear water, and an experimental pellet (EP) with a mix of fresh
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The reproductive potential of Pacific bluefin tuna (Thunnus orientalis) farmed in sea cages in South Korea J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-10-04 Jin Woo Park, Jae-Hoon Kim, Seung Cheol Ji, Yong-Woon Ryu, Jeong-Hyeon Cho
Identifying environmental effects on the reproduction cycle and sex hormones is essential for ensuring the sustainable productivity of Pacific bluefin tuna (PBT, Thunnus orientalis) aquaculture. In the present study, 70 PBTs, commercially farmed in sea cages near Yokjido Island, South Korea, were investigated from April 2020 to March 2021. Environmental data, including water temperature and photoperiod
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Investigating the effect of bacterial coinfections on juvenile and adult green-lipped mussels (Perna canaliculus) J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-10-03 Awanis Azizan, Jack Carter, Leonie Venter, Tim Young, Shaneel S. Sharma, Tony Chen, Andrea C. Alfaro
The New Zealand's Greenshell™ mussel (Perna canaliculus) aquaculture industry is being affected by summer mortality events associated with increasing seawater temperatures and pathogens. In this study, challenge experiments were conducted to investigate, for the first time, the effects of pathogen coinfection on the survivability and haemolymph immune responses of juvenile and adult mussels. Animals
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Effect of temperature on the growth, feeding performance, gonadal development, and nutritive compositions in the muscle of fry stream groupers, Acrossocheilus fasciatus J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-09-27 Bo Zhao, Wei Shi, Yongyao Guo, Ye Chen, Handong Wang, Jinghong He, Zhangjie Chu
To determine the optimal temperature in rearing of fry stream groupers, Acrossocheilus fasciatus, a total of 540 fry fish with an initial body weight of (0.57 ± 0.16) g, and body length of (4.08 ± 0.40) cm were randomly distributed to 18 15-L tanks and reared at six different temperatures (12, 16, 20, 24, 26, and 28°C) for a period of 60 days. Fish were hand-fed to satiation under all six different
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Oral bovine serum albumin administration benefits plasma amino acid profile in blunt snout bream fed high-fat and high-energy diet through the TOR signaling pathway J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-08-31 Kenneth Prudence Abasubong, Guang-Zhen Jiang, Jean-Jacques Y. Adjoumani, Hui-xing Guo, Xi Wang, Yang-yang Huang, Yong-Jun Dai, Xiang-Fei Li, Yan-zou Dong, Wen-bin Liu, Hesham Eed Desouky
This study investigated the effect of oral bovine serum albumin (BSA) on plasma amino acid profile and growth performance in blunt snout bream fed high-fat and high-energy diets. A total of 360 fish (average weight: 45.84 ± 0.07 g) were randomly divided into three groups in four replicates and fed with the control, high-fat diet (HFD), and high-energy diet (HED), respectively. After 12 weeks of feeding
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Mitigating the impact of winter temperatures on striped catfish (Pangasianodon hypophthalmus) using functional feed additives J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-08-30 Sheeza Bano, Noor Khan, Mahroze Fatima, Anjum Khalique, Murat Arslan, Alex H. L. Wan
The drop in temperature during the winter months can lead to a decrease in growth, induce metabolic stress, and increase mortality incidences. The present study evaluated the potential of functional feed additives in mitigating the negative impacts of winter-rearing conditions in striped catfish (Pangasianodon hypophthalmus). Four test diets were evaluated over a twelve-week feed trial: (1) zinc-acetate
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Effects of different sodium acetate levels on growth, antioxidant capacity, and fat deposition in juvenile Onychostoma macrolepis fed a high fat diet J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-08-21 Nina Gou, Tiezhi Jin, Bin Yang, Kaifeng Wang
Short-chain fatty acids are regarded as promising feed additives, acetate is one of them. The aim of this research was to investigate the effect of sodium acetate (SA) on Onychostoma macrolepis fed a high-fat diet. O. macrolepis (2.1 ± 0.1 g) were reared in 12 aquariums (three aquarium/group, 15 fish/aquarium), fed a high-fat diet (control), and a high-fat diet supplemented with 0.5%, 1.0%, or 2.0%
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Cultured Penaeus vannamei in Korea co-infected with white spot syndrome virus and decapod hepanhamaparvovirus J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-08-22 Chorong Lee, Hye Jin Jeon, Bumkeun Kim, Sangsu Suh, Patharapol Piamsomboon, Ji Hyung Kim, Jee Eun Han
In this study, Pacific white shrimp (Penaeus vannamei), pond water, crab, Helice tridens, and live food samples were collected from farms in three provinces of Korea to investigate the presence of white spot syndrome virus (WSSV) and decapod hepanhamaparvovirus (DHPV). By polymerase chain reaction (PCR), DHPV was detected in all shrimp samples (83 of 83); among these, 41 samples were detected with
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Effects of dietary supplementation of Achyranthes aspera extract on growth performance, digestibility, innate immunity, antioxidant capacity, and disease resistance of juvenile Pacific white shrimp, Penaeus vannamei J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-08-15 Daehyun Ko, Nalin Medagoda, Kawn-Sik Yun, Kyeong-Jun Lee
A supplemental effect of Achyranthes aspera extract (200 mg/kg phytosterol) in diets was evaluated for Pacific white shrimp (Penaeus vannamei) on growth performance, digestibility, innate immunity, antioxidant capacity, and disease resistance against Vibrio parahaemolyticus. A fish meal and soybean meal-based control diet (Con; protein 38.0% and lipid 8.7%) was formulated and five other diets were
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Triploid burbot, Lota lota, production: Optimization of thermal and hydrostatic parameters, tetraploid induction, and confirmation of triploid sterility J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-08-17 Luke P. Oliver, Joseph T. Evavold, Kenneth D. Cain
Experiments were conducted to optimize triploid induction parameters, and assess triploid sterility, in burbot. Duration and timing of shocks were based on degree minutes, temperature multiplied by time, denoted as °C min. Hydrostatic shock experiments investigated the duration of shock using 7500 or 8500 psi at 180°C min post-fertilization. Thermal shocks investigated duration of shock and post-fertilization
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Density effects on a tropical copepod Acartia sp.: Implications as live feed in aquaculture J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-08-12 Hung Quoc Pham, Canh Van Bui, Nam Xuan Doan, Khuong V. Dinh
Calanoid copepods Acartia species are major live feeds for the early stages of economically important marine fish in hatcheries in Southeast Asian countries. However, rearing Acartia copepods at high densities to increase productivity remains a major challenge. To address the issue, we conducted two experiments on (1) Acartia sp. nauplii (1000, 3000, 6000, 9000, 12,000, and 15,000 individuals L−1)
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Growth performance, feed utilization, and resistance to acute crowding of post-metamorphic stage black sea bass Centropristis striata reared at high stocking densities in a pilot recirculating nursery J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-08-09 Patrick M. Carroll, Wade O. Watanabe, Md Shah Alam
A reliable and cost-effective source of fingerlings is essential for the successful commercial aquaculture of black sea bass. This study aimed to determine the effects of nursery tank stocking densities on the growth performance, feed efficiency, survival, tolerance to shipping, and biochemical quality of juvenile black sea bass. In two experiments, different stocking densities were compared for black
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Growth performance and gene expression of FAS, CPT1, G6P, and HK in juveniles of the freshwater prawn, Macrobrachium acanthurus, fed diets with different levels of protein, lipids, and carbohydrates J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-08-02 Susana Alejandra Frías Gómez, Madison S. Powell, Carlos Alfonso Álvarez González, Luis Héctor Hernández Hernández
A feeding trial with Macrobrachium acanthurus juveniles was performed to determine growth performance and utilization of diets varying in protein, lipid, and carbohydrate level. Twelve diets were formulated with three levels of protein (P) and supplemented with different proportions of lipids (L) and carbohydrates (C): P30-L20-C8, P30-L15-C19, P30-L12-C25, P30-L10-C31, P35-L20-C3, P35-L15-C15, P35-L10-C26
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Reassessment of dietary protein and lipid requirements for large yellow croaker, Larimichthys crocea, reared in net pens J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-08-02 Zimo Chen, Anlan Yu, Li Wang, Mingtao Lei, Peng Li, Yan Wang
At present, large yellow croaker, Larimichthys crocea, a carnivorous fish ranked fifth in aquaculture production among marine finfishes in the world, still relies on raw fish diet because formulated feed alone is not able to sustain rapid growth of the fish. The present study evaluated growth, feed utilization efficiency, body composition and antioxidant capacity of large yellow croaker fed diets containing
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Dried porcine soluble benefits to increase fish meal replacement with soy protein concentrate in large yellow croaker Larimichthys crocea diet J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-08-02 Zimo Chen, Umar Bashir Ibrahim, Anlan Yu, Li Wang, Yan Wang
The effect of dried porcine soluble (DPS) supplementation on replacement of dietary fish meal with soy protein concentrate (SPC) for large yellow croaker, Larimichthys crocea, was assessed in a feeding trial conducted in inshore net pens. Five isoproteic and isolipidic diets were tested. A basal diet (BD) contained 400 g/kg fish meal, and SPC was used as an alternative ingredient to replace 40% (F24)
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Effects of tributyrin on the growth performance, survival, tolerance to hypoxic stress, and nutrient digestibility of Pacific white shrimp, Litopenaeus vannamei, fed different levels of soybean meal J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-07-30 Tirawat Rairat, Putsucha Phansawat, Arunothai Keetanon, Parattagorn Kachapol, Sunisa Kumphaphat, Lalitphan Kitsanayanyong, Chi-Chung Chou, Niti Chuchird
The study aimed to evaluate the effect of tributyrin on the growth performance, survival, hypoxia tolerance, and nutrient digestibility of Pacific white shrimp fed 25% and 50% soybean meal (SBM) diets. Six experimental diets were formulated: (1) 25% SBM without tributyrin; (2) 25% SBM with 0.05% tributyrin; (3) 25% SBM with 0.1% tributyrin; (4) 50% SBM without tributyrin; (5) 50% SBM with 0.05% tributyrin;
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Yolk resorption and larval development in the brackish river prawn Macrobrachium macrobrachion under laboratory conditions: Perspectives for aquaculture J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-07-26 Guillaume Koussovi, Arsène Mathieu Houssou, Dimas Armando Orés Daves, Farokh Niass, Clément Agossou Bonou, Laura López Greco, Elie Montchowui
Macrobrachium macrobrachion is an African native brackish river prawn with a high commercial value. Currently, there is little information on the post-larval production of this species. Two experiments were conducted in the laboratory to develop production techniques for this species. The first experiment analyzed the duration of yolk resorption and the second described the larval stages. Yolk resorption
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The use of chemical and biological settlement cues in enhancing the larval settlement of abalone (Haliotis midae): Implications for hatcheries and ocean ranching J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-07-20 Ziyanda B. Mzozo, Sanet Hugo, Niall G. Vine
Reducing the time to settlement and metamorphosis of abalone larvae is critical for ensuring that abalone larvae settle within the seeding site for ocean ranching or to increase production in hatcheries. This study investigated the effect of biological (planktonic Nitzschia sp.) and chemical (potassium chloride) cues in inducing settlement and metamorphosis of abalone larvae Haliotis midae on diatom-coated
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Assessing the economic impacts of severe skeletal anomalies in Mediterranean hatcheries culturing seabream and seabass J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-07-19 Javier Cantillo, Juan Carlos Martín, Concepción Román
The economic impact of skeletal anomalies in aquaculture farming is a significant issue for the industry, as deformed fish are frequently discarded because of their low survival rate and a variety of other disadvantages, including increased costs, consumer distrust of aquaculture products, and ethical concerns. The goal of this article is to propose a method for calculating the direct costs of severe
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Effect of light spectrum, salinity, and glucose levels on Spirulina morphology J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-07-18 Ahmad Nosratimovafagh, Abolghasem Esmaeili Fereidouni, Felix Krujatz
This study evaluated how light spectrum, salinity, and glucose level affect Spirulina morphology, using response surface methodology (RSM). A full factorial experiment was conducted including three light conditions with different predominant spectral characteristics (“white”: 100% white; “red”: 80% red, 15% blue, and 5% green; and “yellow”: 80% yellow, 15% blue, and 5% green), four NaCl concentrations
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The economics of recirculating aquaculture systems J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-07-11 Carole R. Engle
Recirculating Aquaculture Systems (RAS) have become part of the global aquaculture landscape. Announcements of new, planned investments in large-scale RAS in countries around the world appear frequently in the aquaculture news media. Yet RAS, as a viable production system for aquaculture businesses, are not new. Blue Ridge Aquaculture Inc. (USA), for example, has been in continuous business for more
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Inclusion effect of jack mackerel, Trachurus japonicus, meal in the diet of rockfish, Sebastes schlegeli, on growth, feed utilization, biochemical composition, and innate immune responses J. World Aquac. Soc. (IF 2.8) Pub Date : 2023-07-06 June Kim, Sung Hwoan Cho
Dietary inclusion effects of various levels of jack mackerel meal (JMM) on growth, feed utilization, biochemical composition, and innate immune response of rockfish were determined. The control (Con) diet included 550 g/kg fish meal (FM). Ten, 30, 50, 100, 200, 400, 600, and 1000 g/kg of JMM were included in the Con diet, referred to as the JMM10, JMM30, JMM50, JMM100, JMM200, JMM400, JMM600, and JMM1000