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January 2016 - January 2021
August 2014 - December 2015
Publications
Publications (96)
The Pacific white shrimp (Litopenaeus vannamei) plays a crucial role in global aquaculture, contributing significantly to farmed shrimp production, with China being a major contributor. In the last two decades, China's production of farmed L. vannamei experienced substantial growth due to expanded aquaculture areas and intensification. These proces...
Introduction
The lighting environment significantly influences fish behavior. This study explores the impact of diverse lighting conditions on the behavior of steelhead trout (Oncorhynchus mykiss) to illuminate the mechanisms underlying their behavioral responses.
Methods
This experiment was set up with six treatments at a constant light intensity...
Open offshore areas boast strong physical self‐purification capacity and abundant non‐fossil energy resources, such as wind, waves, and solar energy. Consequently, the global community anticipates nearshore aquaculture to transition towards offshore to help increase production, alleviate eutrophication, and reduce greenhouse gas emissions. To date,...
Co-culture systems of rice and aquatic animals (CSRAA) constitute a type of cultivation system that is important for blue–green revolution, as they provide environmental sustainability, economic profitability, and increased food productivity. However, little research has been conducted on how and to what extent CSRAA influences greenhouse gas (GHG)...
The growth of aquatic animals refers to the increment of their body length or weight, subjected to their endogenous and exogenous factors and the interaction between. Endogenous factors mainly refer to genotypes and physiological conditions. Exogenous factors mainly involve food, water temperature, salinity, light, dissolved oxygen, and other water...
Given the positive correlation between the environmental quality and the health of the farmed animals in aquaculture waters, one of the core tasks of aquaculture management is to enhance the health of cultured aquatic animals by improving water quality, to reduce, alleviate or even eliminate the occurrence of certain diseases for higher farming eff...
Emerging evidence confirms using probiotics in promoting growth and immunity of farmed fish. However, the molecular mechanisms underlying the host-microbiome interactions mediated by probiotics are not fully understood. In this study, we used rainbow trout (Oncorhynchus mykiss) as a model to investigate the internal mechanisms of host-microbiome in...
The objective of this study was to investigate the effects of different rhythmic light spectra and intensities on growth performance and physiological and biochemical parameters of juvenile steelhead trout (Oncorhynchus mykiss). Seven treatments were randomly assigned to 21 tanks using a single-flow system for 13 weeks (N = 3), namely blue–purple–r...
The present study investigated the dietary fishmeal replacement by marine red seaweed (Halymenia dilatata) meal (RSM) on growth performance, feed utilization, chemical body composition, hematological constituents, digestive, antioxidant, and metabolic enzymes in freshwater fish Labeo rohita (Rohu) fingerlings. The fish were fed with RSM-free contro...
This study was performed to evaluate the effect of temperature on the carbon (C), nitrogen (N), and phosphorus (P) nutrient budgets of adult steelhead trout (Oncorhynchus mykiss) with different body sizes. A complete two-factor experiment was conducted at four temperatures, i.e., 9 °C (T9), 13 °C (T13), 16 °C (T16), and 19 °C (T19); and three body...
Recently, the frequent salinity fluctuation has become a growing threat to fishes. However, the dynamic patterns of gene expression in response to salinity changes remain largely unexplored. In the present study, 18 RNA-Seq datasets were generated from gills of rainbow trout at different salinities, including 0 ‰, 6 ‰, 12 ‰, 18 ‰, 24 ‰ and 30 ‰. Ba...
This study evaluated the effects of probiotics on growth, survival, and toll-like receptors (TLRs)-mediated immune response and susceptibility to Aeromonas salmonicida infection in the rainbow trout (Oncorhynchus mykiss). Probiotic bacterium Bacillus velezensis MVCR2 strain isolated from turbot and Latilactobacillus sakei RDB2 strain isolated from...
To examine the growth and immune response of steelhead trout (Oncorhynchus mykiss) under conditions of differing light color, we investigated the effects of different red and blue light color combinations on plasma non-specific immunity, hepatic antioxidant capacity, and GH/IGF-1 axis gene expression in juvenile steelhead trout (initial weight: 34....
The increased price and limited supply of fish meal (FM) have become constraints for the sustainable development of aquaculture. In the present study, soybean meal (SBM) and meat and bone meal (MBM), as alternative protein sources, were mixed (1:1) to replace 0%, 10%, 30% and 50% of the FM formulating four isonitrogenous and isoenergetic diets (i.e...
The cover image is based on the Review Article Optimization of aquaculture sustainability through ecological intensification in China by Shuang‐lin Dong et al., https://doi.org/10.1111/raq.12648 The cover image is based on the Review Article Optimization of aquaculture sustainability through ecological intensification in China by Shuang‐lin Dong et...
The light spectrum varies with the altitude of the sun and shows different light colors in clear water. In this study, we aimed to investigate the response of juvenile steelhead trout Oncorhynchus mykiss (34.67 ± 2.69 g initial weight) under different light color conditions. The effects of different blue and red light combinations on plasma biochem...
The objective of this study was to investigate the effects of air replenishers on the growth, body composition, energy budget, and body morphology of four fish species through simulation within a fully submersible cage environment. The experimental species included Paralichthys olivaceous, which experiences swim bladder degeneration, and Lateolabra...
Analyzing fish shoal behaviors is one of the concerned problems for scientists who study fish welfare and stress. However, most shoal behavior exploring methods with manual parameters are subjective and not widely available in various conditions. Therefore, this study introduced graph technology, built more than 29000 shoal behavioral graphs and pr...
Steelhead trout (Oncorhynchus mykiss) of four different sizes (27.06 ± 4.27, 75.99 ± 10.48, 140.21 ± 22.08, and 224.72 ± 31.20 g) were cultured for two weeks at four different temperatures (8 °C, 12 °C, 16 °C, and 20 °C) to evaluate the effects of temperature on gastric evacuation (GE) and the associated mathematical models. The wet and dry mass wi...
A two-stage diet-switch experiment was conducted to examine the hypothesis that the changes in digestive enzyme activities of sea cucumber (Apostichopus japonicus) induced by historic diets might persist in the regenerated intestines. In stage I, A. japonicus were treated with two different diets for 56 days, including diet A with 11% crude protein...
Reducing dependency on dietary fish meal (FM) and fish oil (FO) is extremely important for the sustainable development of the aquaculture industry. However, the metabolic consequences and mechanisms underlying the replacement of dietary FM and FO by terrestrial proteins (TPs) and lipids remain unclear. To reveal the effects of replacing dietary FM...
Transportation is common and necessary in aquaculture practice. A series of physiological changes in fish are caused by transportation stress. The present study investigated the effects of transportation of rainbow trout Onchorhynchus mykiss. Juvenile rainbow trout were placed in plastic bags, and sampled before transportation (P1), two hours after...
Salinity is an important environmental factor that directly affects the survival of aquatic organisms, including fish. However, the underlying molecular mechanism of salinity adaptation at post-transcriptional regulation levels is still poorly understood in fish. In the present study, 18 RNA-Seq datasets were utilized to investigate the potential r...
This study was to evaluate the effect of stocking densities on the nitrogen and phosphorus budgets for a polyculture of the crab Portunus trituberculatus and the Pacific white shrimp Litopenaeus vannamei. The shrimps (initial weight, 0.012 g) were cultured at a density of 45 shrimpm−2, and juvenile crabs (initial weight, 0.024g) were cultured at fi...
As the world's leading producer of farmed aquatic food products, China faces great
uncertainty concerning the further sustainable development of its aquaculture industry
due to high and increasing pressure from environmental and resource constraints.
To realize truly sustainable development, it is imperative to establish an evaluation
system that i...
Advanced techniques were required to determine geographical origins and production methods of aquatic food due to frequent fraudulent misdescription of food content on product labels in the market. In this study, the elemental profile of 96 salmonids samples were detected by inductively coupled plasma atomic emission spectrometry (ICP-AES) and used...
There is an increasing demand for salmonid authentication due to the globalization of the salmonid trade. DNA barcoding and mini-DNA barcoding are widely used for identifying fish species based on a fragment of the mitochondrial cytochrome c oxidase subunit I (COI) sequence. In this study, rainbow trout (Oncorhynchus mykiss), steelhead trout (O. my...
As the fastest growing food production sector in the world, aquaculture may become an important source of nitrous oxide (N 2 O)—a potent greenhouse gas and the dominant source of ozone-depleting substances in the stratosphere. China is the largest aquaculture producer globally; however, the magnitude of N 2 O emission from Chinese aquaculture syste...
Salmonid are farmed far offshore in a submersible cage in China, and air supplementation in the swim bladder is an important issue while the fish are confined in the submersed cage. The objective of this study is to test the effects of different types of air supplementation on the growth, energy budget, and fatty acid composition of the rainbow tro...
In shallow lakes, water quality is mostly affected by weather conditions and some ecological processes which vary throughout the day. To understand and model diurnal‐nocturnal variations, a deterministic, one‐dimensional hourly lake water quality model MINLAKE2018 was modified from daily MINLAKE2012, and applied to five shallow lakes in Minnesota t...
This study aimed to investigate the effects of different temperatures on seawater acclimation in rainbow trout (Oncorhynchus mykiss), in terms of growth performance, osmoregulatory capacity, and branchial phospholipid fatty acid (PLFA) composition. The fish (initial weight, 94.73 g) were reared at 9, 12.5, and 16 °C for 28 days, then acclimated to...
Background
Rainbow trout is an economically important fish in aquaculture and is a model species in environmental physiology. Despite earlier research on the seawater adaptability of rainbow trout at different temperature regimes, the influence on the liver and intestine in this species is still unknown. Two trials were conducted to investigate the...
The individual effects of temperature and dissolved oxygen (DO) on rainbow trout (Oncorhynchus mykiss), an important aquaculture species, are clearly established; however, little is known about the interactive effects of these parameters. In this study, the effects of temperature, DO, and their interaction on the growth, antioxidant status, digesti...
The study investigated the effects of seawater acclimation at constant and diel temperatures on the growth, osmoregulation, and branchial phospholipid fatty acid (PLFA) composition in rainbow trout (Oncorhynchus mykiss). The fish (initial weight, 62.28 ± 0.41 g) were reared at a constant 13.0 °C (CT) or with a diel cycle of either 13.0 ± 1.0 °C (VT...
This study evaluated the effect of dietary taurine levels on growth, serum biochemical parameters, salinity adaptability, and antioxidant activity of rainbow trout (Oncorhynchus mykiss). Four diets were formulated with taurine supplements at 0, 0.5, 1, and 2% w/v (abbreviated as T0, T0.5, T1, and T2, respectively). Rainbow trouts (initial weight of...
Background: Rainbow trout is an important economic fish in aquaculture and a model species in environmental physiology. Despite of earlier research on the seawater adaptability of rainbow trout at different temperature regimes, the influence on liver and intestine in this species is still unknown. Two trials were conducted to investigate the effect...
This physiological study aimed to evaluate the effects of dietary docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) on the fatty acid composition and digestive enzyme activities of rainbow trout (Oncorhynchus mykiss) during salinity acclima-tion. Rainbow trout with an average initial weight of 90.61 g ± 9.25 g were fed diets with the quant...
Aquaculture is the fastest growing food production industry in terms of annual growth rate and has become an important contributor in supplying essential macro-and micro-nutrients for the global population. However, there is a great deal of uncertainty in its further development due to the high and increasing pressure of environmental challenges an...
Phospholipid fatty acid (PLFA) profiles were studied for their potential to discriminate between freshwater-cultured and seawater-cultured salmonids. The effects of culture season and fish size on the PLFAs compositions in salmonids were investigated to assess their effects on the discrimination results. Totally 19 PLFAs of salmonids were determine...
This study was conducted to evaluate the effect of dietary eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) levels on the fatty acid composition, salinity tolerance and antioxidant status of rainbow trout (Oncorhynchus mykiss). Four diets were formulated with total EPA and DHA contents of 5.41, 9.55, 13.97 and 17.88 g/kg (abbreviated as E...
In order to meet the demand of salmon market, Chinese scientists and entrepreneurs are working on salmon mariculture far offshore in the Yellow sea, China. Rainbow, steelhead trout and Atlantic salmon were selected as the main culture species. The aims of the present study were as follows: i) investigate the effect of the salinity acclimation metho...
In the present study, juvenile rainbow trout (Oncorhynchus mykiss) were acclimated at 5 temperatures. Fish in the control group (C0) were reared at a constant temperature (16°C); trout in four other treatments (A0, A3, A6, and A9) were acclimated to a high temperature (22°C) for 0, 3, 6, and 9 d, respectively, and then returned to normal temperatur...
This study was designed to evaluate the effect of dietary replacement fish meal supplemented with freeze‐dried powder of the Antarctic krill Euphausia superba (FDPE) on the growth performance, molting, and fatty acid composition of the Pacific white shrimp Litopenaeus vannamei (initial weight 1.27 ± 0.09 g). Four diets containing 0% (S0 group), 10%...
This study examined the effect of different salinities (0, 5, 10, 15, 20, 25 and 30) on the growth performance and energy budget of juveniles of two different ecotypes of Oncorhynchus mykiss, landlocked rainbow trout and anadromous steelhead trout. In the 42 d experiment, fish were cultured in three replicate tanks per salinity treatment (eight fis...
In this study, the changes of the fatty acid composition of phospholipid in different tissues (muscle, heart, brain and spleen) of steelhead trout (Oncorhynchus mykiss) were analyzed when the water temperature decreased gradually from 16°C to 12°C, 8°C, 6°C, 4°C, 2°C and 1°C. Three fish individuals each tank (average weight 70.32 g ± 9.12 g) were c...
Acute heat stress is common in aquaculture and can affect diverse physiological processes in fish; however, different species of fish have various mechanisms for heat stress adaptation. In this study, we profiled the transcriptome responses of the Atlantic salmon (Salmo salar) to heat stress at 23 °C for 6 or 24 h, compared with that of fish at a n...
In this study, the changes of the fatty acid composition of phospholipid in different tissues (muscle, heart, brain and spleen) of steelhead trout (Oncorhynchus mykiss) were analyzed when the water temperature decreased gradually from 16℃ to 12℃, 8℃, 6℃, 4℃, 2℃ and 1℃. Three fish individuals each tank (average weight 70.32 g ± 9.12 g) were collecte...
This study was conducted to evaluate the critical thermal maximum (CTMax), the routine metabolism rate (MO2) and the limiting oxygen saturation (LOS) of three salmonids with four different body weights ranging from 16 g to 131 g. The CTMax was estimated at three different heating rates including 0.5°C min⁻¹, 1°C h⁻¹ and 2°C d⁻¹. Results showed that...
Florida pompano perform well on soy‐based, low‐animal protein diets. These diets may be improved through the use of enzymes as a feed supplement or as pretreatment of the soy product prior to inclusion. Novel soy products produced through enzyme treatment or fermentation often have higher protein content and lower levels of indigestible carbohydrat...
This study evaluated the influence of dietary supplementation with freeze‐dried powder of Ampithoe sp. (FDPA) on the growth, energy metabolism, and resistance to ammonia‐nitrogen stress in Litopenaeus vannamei. There were four treatment groups: a 0% group (no FDPA addition), a 33% group, a 66% group (33% and 66% of the shrimp diet, respectively, re...
Use of distillers dried grain with solubles from sorghum (sDDGS) was studied with respect to processing and physicochemical quality of shrimp feed, followed by growth trials with Litopenaeus vannamei (Pacific white shrimp). Shrimp diets with 0%, 10%, 20%, 30% and 40% sDDGS inclusion, as a replacement for soybean meal, were produced using extrusion...
To improve feed management strategies for the semi-intensive culture of Litope-naeus vannamei, outdoor tank and pond trials were conducted. In the tank trial, shrimp (35 shrimp/m 2 , n = 4) were offered feed for 6 weeks based on a standard feeding protocol (SFP, designed as T100) with five variations (T80:90:100, T90, T90:100, T100:110, T110) of th...
A 42–day trial was conducted to evaluate the performance of juvenile (0.30 g initial weight) Pacific white shrimp Litopenaeus vannamei offered diets containing various levels of copper hydroxychloride (Cu2(OH)3Cl) containing 58.8% copper (Cu) or Cu sulfate (CuSO4) containing 25.5% Cu. The basal diet (360 g/kg protein, 80 g/kg lipid) was primarily c...
Two trials were conducted to evaluate the performance of Pacific white shrimp Litopenaeus vannamei offered diets containing various copper (Cu) levels from Cu hydroxychloride (Cu 2 (OH) 3 Cl) containing 58.81% copper in the clear water recirculating system. In both trials, the basal diet (360 g kg À1 protein, 80 g kg À1 lipid) containing approximat...
Sustainable and profitable commercial aquaculture production of marine fish species is dependent on the development of sustainable protein sources as substitutes for expensive animal meals such as fishmeal (FM). Previous Florida pompano Trachinotus carolinus studies have indicated that poultry by-product meal (PBM) and meat and bone meal can be use...
The objective of this study was to demonstrate the feasibility of four diets formulated to contain increasing levels (0, 50, 100 and 150 g kg-1 of diet) of grain distillers dried yeast (GDDY) in production diets for Litopenaeus vannamei, reared in outdoor tanks or production ponds. The production pond trial was carried out in 16, 0.1-ha ponds using...
The Hong Kong oyster, Crassostrea hongkongensis is an economically important and widely cultivated oyster species in southern China. Aiming to improve the aquaculture potentials of C. hongkon-gensis, a triploid organism was generated by inhibiting the second polar body formation in the fertilized eggs, using 0.5 mg L À1 cytochalasin B. Triploids ex...
Two 10-week growth trials and digestibility trials were conducted to assess the efficacy of various cottonseed products in practical diets for the Florida pompano Trachinotus carolinus. In trial 1, a basal diet containing 150 g/kg of fishmeal (FM150) was modified by the iso-nitrogenous replacement of fishmeal (FM) with cold pressed cottonseed flour...
Grain distillers dried yeast (GDDY) is a yeast-based protein source that is obtained from the bioethanol industry. A range of yeast-based products has been evaluated as nutritional supplements in fish diets, yet there is limited information in shrimp. Therefore, the objective of this study was to evaluate the production response of Litopenaeus vann...
This study was designed to evaluate the efficacy of eight sources (designated A–H) of soybean meal (SBM) which included six new non-genetically modified soya varieties in practical feed formulation for Pacific white shrimp, Litopenaeus vannamei, using both growth and digestibility trials. A soybean meal-based reference diet was formulated using con...
Use of distillers dried grain with solubles from sorghum (sDDGS) was studied with respect to processing and physicochemical quality of shrimp feed, followed by growth trials with Litopenaeus vannamei (Pacific white shrimp). Shrimp diets with 0, 10, 20, 30 and 40% sDDGS inclusion, as a replacement for soybean meal, were produced using extrusion and...
A series of trials (one growth trial and two digestibility trials) were conducted to evaluate the response of Pacific white shrimp Litopenaeus vannamei to the inclusion of lipid-extracted distillers dried grain with solubles (LE-DDGS). In the growth trial, a practical basal diet was developed for shrimp using soybean meal (56.76% diet) and fish mea...
Substitution of fish meal (FM) as a protein source in aquaculture diets is required to reduce cost and promote a sustainable industry. Potential protein sources include a range of traditional products from agricultural production such as plant or animal proteins. However, there are also a number of manufacturing coproducts, including bacterial drie...
It could be suggested that, from a nutritional standpoint, one of the reasons for the popularity of Pacific white shrimp, Litopenaeus vannameiis the adaptability to a range of diets, tolerance of plant based feed ingredients and ability to utilize natural productivity. This species is very tolerant of alternative feed formulations and diets without...
The masou salmon Δ5-desaturase-like gene (D5D) driven by the common carp β-actin promoter was transferred into common carp (Cyprinus carpio) that were fed two diets. For P1 transgenic fish fed a commercial diet, Δ6-desaturase-like gene (D6D) and stearoyl-CoA desaturase (SCD) mRNA levels in muscle were up-regulated (P < 0.05) 12.7- and 17.9-fold, re...
The objective of this study was to evaluate the growth response of Litopenaeus vannamei fed diets with increasing percentages of corn protein concentrate (CPC), reared in indoor tanks or production ponds. The production diets contained increasing percentages (0, 4, 8, and 12%) of CPC as a replacement for fish meal. The diets were commercially produ...
The production of marine species including Florida Pompano is dependent on fishmeal being replaced and feed prices reduced. Previous studies have indicated that fishmeal free diets are feasible in pompano feed formulations if suitable levels of taurine and animal protein are included in the diets. In this study, we re-evaluated the use of soy prote...
The objective of this study is to evaluate the growth performance and bioavailability of two sources of copper (Cu) for Pacific white shrimp Litopenaeus vannamei. Two copper sources [copper sulfate pentahydrate (CuSO4) and tribasic copper chloride (TBCC)] were evaluated in a practical feed formulation. Three trials are being carried out at the Clau...
Shrimp represent not only a popular food item but also one of the most widely cultured and valuable species. As the industry has matured it has also taken on considerable responsibility to develop, implement and maintain production practices that will ensure the success of the industry in the future. Of course improving the economic viability of th...
Pacific white shrimp (Litopenaeus vannamei) is one of the most important penaeid shrimp species cultured. To maximize the profit in shrimp culture, considerable amount of work has been put towards reducing the cost of shrimp feed formulations by replacing relatively expensive ingredients with more economical alternatives. Solvent extracted soybean...
The objective of this study is to evaluate the growth performance for the use of sorghum co-product – distiller dried grain with soluble (DDGS), in shrimp feed production using extrusion and pelleting methods. Two indoor growth trials were carried out to confirm the response over time. In both trials five diets were formulated with increasing perce...
Corn protein products are commonly used to balance the amino acid profile of practical diets especially those with low levels of methionine. Yet, there is little information regarding the efficacy of their use. Consequently, the objective of this study was to evaluate the production response of Litopenaeus vannamei fed diets with increasing percent...
Increasing cost of fish meal and declining price of shrimp has necessitated search for alternative source for protein, which is the most expensive aquatic feed ingredient. Plant sources of protein have shown great potential as indicated in recent research publications. This study examined the use of sorghum co-product – distiller dried grain with s...
Substitution of fish meal (FM) as a protein source in aquaculture diets is to reduce cost, maintain growth and increase sustainability. Evaluation of the replacement of FM with a fermented biomass in diets for juvenile pompano Trachinotus carolinus, was conducted in indoor tanks over a 10-week period. The basal diets was designed to contain soybean...
Four diets (Table 1) were produced by RangenTM Inc. under commercial feed manufacturing conditions to evaluate ethanol yeast as an alternative protein sources on the growth performance of L. vannamei utilizing production ponds and outdoor tanks at Claude Peteet Mariculture Center in Gulf Shores, AL, USA. Post-larval L. vannamei were obtained from S...
Solvent extracted soybean meal (SBM) is the most prevalent protein source in animal feeds and is extensively used in shrimp feed formulations. However, there are a number of anti-nutritional factors present in SBM and its moderate protein content limits the inclusion potential in feed formulations. There are numerous new strains of selectively bred...
Four diets (Table 1) were produced by RangenTM Inc. under commercial feed manufacturing conditions to evaluate ethanol yeast as an alternative protein sources on the growth performance of L. vannamei utilizing production ponds and outdoor tanks at Claude Peteet Mariculture Center in Gulf Shores, AL, USA. Post-larval L. vannamei were obtained from S...
The objective of this study is to evaluate the growth performance and bioavailability of two sources of copper (Cu) for Pacific white shrimp Litopenaeus vannamei. Two copper sources [copper sulfate pentahydrate (CuSO4) and tribasic copper chloride (TBCC)] were evaluated in a practical feed formulation. The trial was carried out at the Claude Peteet...
