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... This study aimed to evaluate the effects of partial replacement of fish meal (FM) with yellow mealworm (Tenebrio molitor, TM) on the growth performance, food utilization and intestinal immune response of juvenile largemouth bass (Micropterus salmoides). Seven diets containing increasing levels of TM (FM substitution) were designed (approximately 0% (0%), 4% (11.1%), 8.1% (22.2%), 12.2% (33.3%), 16 ...
... Autophagy and apoptosis play important roles in the occurrence and development of diseases. Largemouth bass virus (LMBV) is a primary agent that causes infectious skin ulcerative syndrome in largemouth bass and threatens the aquaculture of the species. We investigated the relationship between LMBV and autophagy, as well as the effect of autophagy on apoptosis induced by LMBV. Results showed that L ...
... The largemouth bass (Micropterus salmoides), a food resource in Korea, is a highly voracious predator, designated as an invasive species. It is both diurnal and nocturnal, with high adaptability and reproducibility. Since the predation characteristics are associated with sensitive dynamic visual acuity, we examined the ocular structure of the largemouth bass to investigate the association between ...
... Compared to traditional pond culture, in-pond raceway system (IPRS) is an advanced model, which can reduce waste of water resources and have the characteristics of high efficiency, high yield and environmental protection. However, how to determine the appropriate stocking density has not been studied using protein markers, especially from a welfare perspective. Therefore, this study mainly evaluat ...
... Siniperca chuatsi rhabdovirus (SCRV) is a rod- or bullet-shaped negative-stranded RNA virus and a threat to mandarin fish farming. This virus naturally infects fish, such as S. chuatsi and Micropterus salmoides, among others. SCRV-infected fish have a 90% mortality rate. In this study, a recombinant SCRV-N protein and a polyclonal antibody were prepared by gene cloning, constructing the vector of ...
... To study the possible impacts of dietary methionine hydroxy analogue (MHA) on growth, intestinal antioxidant status, and intestinal microbiota in juvenile largemouth bass (LMB) Micropterus salmoides (14.49–14.58 g), we conducted a feeding trial for 84-days. Four hundred and eighty fish were randomized into four dietary MHA treatments (0.0, 3.0, 6.0, and 9.0 g/kg diet). Results revealed that dietar ...
... With the aim to discover novel lactic acid bacteria and Bacillus strains from fish as potential probiotics to replace antibiotics in aquaculture, the present study was conducted to isolate lactic acid bacteria and Bacillus from intestinal tract of healthy crucian carp (Carassiu auratus) and largemouth bass (Micropterus salmoides) and evaluate their resistance against Aeromonas veronii. Based on th ...
Cyprinidae; Esox lucius; Micropterus salmoides; community structure; corn; fish communities; freshwater; littoral zone; pet foods; probability; species richness; Ontario
Abstract:
... Methods for the use of baited remote underwater video stations (BRUVS) have been tested and refined such that they are now widely used in marine research for assessing fish community structure. There is comparatively less known about the effectiveness of different bait types or bait containers for use with BRUVS in freshwater temperate environments. We conducted a field-based experiment in Lake Op ...
... The present study was aimed to explore the influence of graded replacing fish meal (0.00%, 14.29%, 28.57%, 42.86%, and 57.14%) with spray dried chicken plasma (SDCP) on growth performance, feed utilization, and antioxidant capacity of largemouth bass. Triplicate groups of fish (initial weight: 10.05 ± 0.05 g) were fed experimental diets twice daily for 8 weeks. Results indicated that specific grow ...
Micropterus salmoides; antioxidant activity; aquaculture; body weight; catalase; cottonseed protein; crude protein; diamine oxidase; endotoxins; fish; fish meal; glutathione peroxidase; growth performance; health status; hindgut; histology; histopathology; interleukin-10; interleukin-8; intestines; juveniles; lactic acid; lipids; liver; liver function; lysine; malondialdehyde; methionine; midgut; occludins; protein concentrates; protein efficiency ratio; protein metabolism; specific growth rate; superoxide dismutase; weight gain
Abstract:
... The study aimed to evaluate the effect of replacing fish meal (FM) by cottonseed protein concentrate (CPC) on growth, immune respone and health status of largemouth bass, Micropterus salmoides. Fish (initial body weight: 12.21 ± 0.15 g) were fed five isonitrogenous and isolipid diets (48% crude protein and 12% crude lipid) with CPC replacing 0 (control, CPC₀), 15% (CPC₁₅), 30% (CPC₃₀), 45% (CPC₄₅) ...
... The present study was conducted to investigate the influence of berberine inclusion on growth, antioxidant capacity, glucose metabolism and intestinal microbiome of largemouth bass. Three experimental diets were formulated with 0, 100, and 400 mg/kg berberine hydrochloride, which were fed to triplicate groups of juvenile largemouth bass twice daily for 11 weeks. The results of feeding trial reveal ...
... This study investigated the effects of different diets (formulated feed, frozen trash fish and conversion of two diets) on fatty acid composition of largemouth bass Micropterus salmoides. A total of 184 food‐size individuals were collected from 21 commercial largemouth bass ponds. In all samples, thirty‐two fatty acids were detected, and five fatty acids (C14:0, C16:0, C18:1n9c, C18:2n6c, C20:5n3 ...
Micropterus salmoides; alanine transaminase; alkaline phosphatase; ammonia; animal growth; antioxidant activity; antioxidants; aspartate transaminase; blood glucose; body weight; brain; creatinine; diet; feed conversion; feed intake; fish; fish feeds; globulins; glutathione; glutathione transferase; growth performance; health status; hemoglobin; juveniles; kidneys; liver; oxidative stress; protein content; specific growth rate; superoxide dismutase; weight gain
Abstract:
... This study investigated the effects of photoperiod duration on growth, heamatological and blood biochemical parameters, and antioxidant capacity of largemouth bass (Micropterus salmoides). Triplicate groups of juvenile fish (33.22 ± 4.68 g) were kept in a recirculating aquaculture system and exposed to five different photoperiods [light/dark (L/D), h] as follows: 8L:16D; 12L:12D; 16L:8D; 20L:4D an ...
Chlorella; Micropterus salmoides; apoptosis; aquaculture feeds; body weight; carnivores; dietary supplements; experimental diets; feed conversion; feed intake; fish; fish meal; growth performance; growth retardation; liver; lutein; muscles; physiological response; pigmentation; protein sources; regression analysis; specific growth rate; transcription (genetics); weight gain
Abstract:
... Chlorella meal is a potential protein source for aquafeeds. However, the physiological response of carnivorous fish fed Chlorella meal remains elusive. This study evaluated the effects of replacing dietary fish meal with Chlorella meal on growth performance, pigmentation, and liver health in largemouth bass. Five diets were formulated to replace dietary fish meal of 0% (C0, control), 25% (C25), 50 ...
Maite De Maria; Kevin J. Kroll; Fahong Yu; Mohammad-Zaman Nouri; Cecilia Silva-Sanchez; Juan Guillermo Perez; David A. Moraga Amador.; Yanping Zhang; Mike T. Walsh; Nancy D. Denslow
... Glyphosate is the most used herbicide worldwide, with no historical comparison. It is used for genetically modified crops, and particularly in Florida, it is used as a sugar cane ripener. An aquatic formulation (Rodeo®) is used to treat aquatic weeds in waterbodies and drainage canals. Because of its extended use, glyphosate can run off or be sprayed directly into waterbodies, and chronically expo ...
... Heat stress (HS), an important factor that affects the physiological state of fish, is known to induce apoptosis. To investigate relationships among HS, endoplasmic-reticulum stress (ERS) and apoptosis in fish liver, 72 largemouth bass were randomly exposed to three different water temperatures (33 °C, 35 °C and 37 °C) for 6 h. Then, histological sections and TUNEL assays were analyzed to evaluate ...
... To explore the effects of dietary carbohydrate level on nutrients metabolism, largemouth bass juveniles (initial weight, 4.0 ± 0.2 g) were fed three isonitrogenous and isoenergetic diets containing 9.66% (L), 14.32% (M) or 19.11% (H) carbohydrate for 8 weeks. The lowest weight gain (15.75 ± 0.76 g) was observed in group H. Feeding high carbohydrate diet (HCD) led to increased pyruvate (PA), lactic ...
... Long non-coding RNAs (lncRNAs) are a class of transcriptional RNA molecules, which play critical roles in diverse biological processes. However, little is known about the overall expression pattern and roles of lncRNAs in skeletal muscle of largemouth bass (LMB). Here, we constructed two skeletal muscle RNA libraries to find lncRNAs that may involve in the regulation of skeletal muscle development ...
... Circular RNA (circRNA) is a novel emerging type of endogenous regulatory non-coding RNA molecules with a covalent closed-loop configuration, which exerts important functions in multiple biological processes. CircRNAs are known to regulate gene expression as functional regulators interacting with miRNAs by sponge, which have been reported to regulate skeletal muscle development. Nevertheless, the i ...
... Immunoglobulins (Igs) first appeared in jawless fish, which are humoral mediators playing a vital function in the adaptive immunity to protect the teleosts from various pathogens. In the present study, the sequences of largemouth bass (Micropterus salmoides) membrane-bound and secreted IgT (mIgT and sIgT) were firstly cloned. Largemouth bass mIgT contained an open reading frame (ORF) of 1785 bp en ...
... Largemouth bass ranavirus (LMBV) has caused mortality in largemouth bass and led to huge economic losses in the aquaculture industry. Here, we developed a novel, fast, and simple isothermal recombinase polymerase amplification assay (RPA) for LMBV detection with primers designed on the basis of a fragment of the major capsid protein gene. The reaction conditions were optimized and the RPA method w ...
Sierra M. Imanse; Chris L. Anchor; Gretchen C. Anchor; Jennifer A. Landolfi; Michael J. Kinsel; Jeffrey M. Levengood; Martha A. Delaney; Karen A. Terio
... Mercury (Hg) and polychlorinated biphenyls (PCBs) are widespread environmental toxicants in urban environments with negative impacts to fish health. The present study evaluated the potential association between muscle tissue contaminant (total Hg and total PCB) concentrations and indicators of health in benthic and predatory fish collected from four Forest Preserves of Cook County lakes in the Chi ...
... Micropterus salmoides rhabdovirus (MSRV) is an significant pathogen that causes high mortality and related economic losses in bass aquaculture. There is no effective or approved therapy to date. In this study, we evaluated the anti‐MSRV effects of 22 quinoline derivatives in grass carp ovary (GCO) cells. Among these compounds, 8‐hydroxyquinoline exhibited valid inhibition in decreasing MSRV nucleo ...
Micropterus salmoides; aquaculture industry; carbon; condition factor; cottonseed protein; ecological value; ecosystems; feed conversion; feed intake; fish; fish meal; fish production; nitrogen; phosphorus; proximate composition; soy protein concentrate; wastes; weight gain
Abstract:
... Sustainability of aquaculture industry depends on the value of ecosystem services (VES), which has been rarely quantified in aquaculture practices. The present study evaluated the impact of replacing dietary fish meal with soy protein concentrate (SPC) and cottonseed protein concentrate (CPC) on VES of largemouth bass Micropterus salmoides farming. A reference diet (RF) contained 400 g/kg fish mea ...
Channa argus; Channa maculata; Micropterus salmoides; Oreochromis mossambicus; Siniperca chuatsi; Tilapia lake virus; fish culture; fluorescence microscopy; hybrids; industry; pathogenesis; perch; research and development
Abstract:
... Tilapia lake virus disease (TiLVD) caused by Tilapia lake virus (TiLV) is a great threat to the global tilapia culture industry. Effective prevention and control strategies have not been developed due to limited basic research of pathogenesis of TiLVD. Cell lines from different fish species have been found to be permissive to TiLV infection. In the current study, we comprehensively analyzed TiLV s ...
Micropterus salmoides; bacterial communities; bioaccumulation; biotransformation; community structure; demethylation; digestive system; freshwater fish; intestinal microorganisms; mercury; methylation; methylmercury compounds; research
Abstract:
... Mercury (Hg) biotransformation is an important process that can affect the speciation and bioaccumulation of Hg in fish. The intestinal microbiota has been suggested to take part in this process. However, Hg biotransformation in fish is still unclear and the responses of gut microbiota to different Hg exposure scenarios have not been well addressed. The present study investigated the bioaccumulati ...
... Predators exert strong selection on prey foraging behaviour such that prey responses may reflect a combination of ancestral effects of predators (genetic and nongenetic transgenerational effects), past individual experience with predators (phenotypic plasticity), and current exposure to predators (behavioural response). However, the importance of these factors in shaping prey foraging behaviour is ...
Micropterus salmoides; body fat; body weight; carbon; carnivores; energy; feed conversion; feed intake; fish; freshwater aquaculture; lipid content; nitrogen; phosphorus; wastes; weight gain
Abstract:
... Largemouth bass is a carnivorous fish commercially important for freshwater aquaculture worldwide, however, the optimal feeding regime for the fish reared in pond has not been established. The present study examined feed intake, growth, feed utilization, body composition and waste outputs of largemouth bass fed at different feeding frequencies in pond and in-pond-raceway (IPR). Two 10-week feeding ...
... The present study was conducted to investigate the effects of yeast culture on the growth, health and microflora of the juvenile largemouth bass fed high-starch diet. The experiment set three isonitrogenous and isolipidic diets, control (high-starch diet), HSY₁ (high-starch diet with 1% yeast culture) and HSY₃ (high-starch diet with 3% yeast culture). A feeding trial was conducted in largemouth ba ...
... Yinchenhao Decoction (YD), a Chinese herbal medicine, has been traditionally used for treatment of metabolic liver diseases. A 10-week feeding trail was carried out to examine the effects of YD supplementation in a high carbohydrate diet (HCD) on liver histopathology, immune response, disease resistance, and expression of genes associated with endoplasmic reticulum stress, autophagy, apoptosis, ne ...
Micropterus dolomieu; Micropterus salmoides; administrative management; air; bass; habitats; water temperature; North America
Abstract:
... Black bass Micropterus spp. live‐release tournaments are a popular activity in North America. Efforts continue to further increase survival and enhance welfare of fish released from competitive angling events. Recently, some tournaments have adopted a new weigh‐in format in which black bass are weighed immediately (hanging from a scale in air) and released at the capture location. More conventiona ...
Micropterus salmoides; agar gel electrophoresis; aquaculture; body size; dimorphism; farmed fish; freshwater; genotyping; polymerase chain reaction; sex chromosomes; sex determination; China
Abstract:
... Sex dimorphism of economic traits such as growth rate and body size have potential breeding value in aquaculture. Largemouth bass (Micropterus salmoides L.) is an important freshwater cultured fish in China and the females live longer and reach larger sizes than males. However, the lacking of sex-specific makers and the unclear sex determination mechanism inhibits the development of all-female bre ...
... Plastic is pervasive in modern economies and ecosystems. Freshwater fish ingest microplastics (i.e., particles <5 mm), but no studies have examined historical patterns of their microplastic consumption. Measuring the patterns of microplastic pollution in the past is critical for predicting future trends and for understanding the relationship between plastics in fish and the environment. We measure ...
Clostridium autoethanogenum; Micropterus salmoides; acetyl-CoA carboxylase; alanine transaminase; anchovies; animal nutrition; aspartate transaminase; body weight; digestion; fatty-acid synthase; feed composition; fish meal; growth performance; hydrolysates; interleukin-10; intestines; lipid content; liver; molecular weight; protein sources; single cell protein; steam; triacylglycerols
Abstract:
... Clostridium autoethanogenum protein (CAP) is a new single-cell protein source originating from inactivated bacteria. An in vitro digestion experiment and an 8-wk growth experiment were conducted to evaluate the molecular weight distribution of the CAP hydrolysate, and the effects of dietary CAP levels on the growth performance, plasma parameters, hepatic and intestinal health, and the diversity of ...
... In aquaculture, excess lipid deposition in liver is a health damage in largemouth bass (Micropterus salmoides). Activation of peroxisome proliferator‐activated receptor‐α (PPARα) has been proved to stimulate lipid catabolism and alleviate fatty liver in rodents and human. Our present study was conducted to investigate the effects of Pparα activation via dietary fenofibrate stimulation on hepatic l ...
... Largemouth bass (Micropterus salmoides) is extremely intolerant to carbohydrates in diets. To address this problem, this work studied the effects of berberine (BBR), a Chinese herbal extract with the serum glucose-lowering activity in mammals, on regulating the serum glucose and intestinal microbiota in largemouth bass. The changes in glucose metabolism-related genes and serum metabolites were als ...
... The phagocytic actives of B cells in fish have been proven in recent years. In this study, five positive hybridomas secreting monoclonal antibodies (MAbs) against largemouth bass IgM were produced. Indirect immunofluorescence assay (IFA) demonstrated that five MAbs could specifically recognize membrane-bound IgM (mIgM) molecule of largemouth bass. Indirect ELISA and Western blotting analysis showe ...
... Common carp (Cyprinus carpio) is a commercially and recreationally important species that has declined by > 80% across the Illinois River basin since the 1960s, suggesting impairment of population-level reproduction. Numerous controlled experiments have shown common carp reproductive physiology is susceptible to endocrine-disrupting chemical (EDC) exposure at levels commonly associated with the ur ...
... Mercury (Hg) is a contaminant that enters the environment through natural or anthropogenic means. Ecological risk assessments have examined Hg bioaccumulation and effects in many taxa, but little is known about Hg dynamics in reptiles, or their potential use as bioindicator species for monitoring Hg in aquatic systems. Numerous snake species, like North American watersnakes (Nerodia spp.), are pis ...
... The kisspeptin system, which lies upstream of the hypothalamic–pituitary–gonadal (HPG) axis, is believed to function as a regulator of reproduction in teleosts. In this study, we isolated and characterized kiss2 and its receptor kissr2 in largemouth bass (Micropterus salmoides). The complete coding sequences of kiss2 and kissr2 were 375 and 1134 bp long and encoded precursor proteins 124 and 377 a ...
... High-fat diets (HFD) is widely applied in aquaculture to achieve a protein-saving effect, whereas long-term intake of high-fat feed will negatively affect the health of fish. Chlorogenic acid (CGA) is an effective antioxidant and anti-obesity substance. However, whether CGA can address a series of adverse effects caused by fish's high lipid diet is unclear. Four diets were formulated: a control di ...
... Largemouth bass (LMB; Micropterus salmoides) has been an economically important fish in North America, Europe, and China. This study obtained a chromosome‐level genome assembly of LMB using PacBio and Hi‐C sequencing. The final assembled genome is 964 Mb, with contig N50 and scaffold N50 values of 1.23 Mb and 36.48 Mb, respectively. Combining with RNA sequencing data, we annotated a total of 23,70 ...
... This study was undertaken to (a) evaluate the destructive effects of chronic exposure to low-dose of chlorpyrifos (CPF) on antioxidant system and immune function in largemouth bass (Micropterus salmoides), and (b) to examine whether dietary supplementation of curcumin can mitigate the adverse effects induced by CPF contamination. The experiment consisted of three groups (with three replicates, 30 ...
... To determine the differences in morphological characteristics and muscle nutritional quality between largemouth bass (Micropterus salmoides) cultured in an aquaculture system using land-based container with recycling water (C-RAS) and those cultured in a traditional pond system (TP), largemouth bass with no significant difference in body weight were selected. Results showed that the largemouth bas ...
... An 8-week feeding trial was performed to compare the supplementation of full-fat black soldier fly, Hermetia illucens, larvae (BSFL) versus pre-pupae (BSFP) in the diets of largemouth bass, Micropterus salmoides, juveniles. Both BSFL and BSFP were produced in the laboratory from the same batch and ingredients although BSFP tended to have higher protein and amino acid content. Four isonitrogenous a ...
Cymbopogon; Micropterus salmoides; Streptomyces; aquaponics; calcium; fish; gravel; green onions; iron; leaf length; leaf width; magnesium; mineral content; nitrate nitrogen; nutrient uptake; off flavors; plant growth; potassium; surface area; total phosphorus; water quality; zinc
Abstract:
... Aquaponics is the integration of farming fish with plants where the excreted nutrients from fish are taken up by plants. Thus, aquaponics may enhance aquaculture sustainability and productivity. In this study, largemouth bass Micropterus salmoides juveniles were cultured in a recirculating aquaculture system (RAS) or aquaponic system for two months. Each system was identical, but within the aquapo ...
... The vital role of the gut microbiota in fish growth, development, immunity, and health has been largely confirmed. However, the interaction between environmental microbiota and the gut microbiota of aquaculture species remains unclear. Therefore, we analyzed the gut microbiota of largemouth bass (Micropterus salmoides) collected from subtropical ponds in southern China, as well as the pond water a ...
... Texture is an important factor in evaluating the quality of aquatic products. To evaluate the texture properties of cured large mouth bass, edible sodium chloride (0, 1.0, 2.0, and 3.0%) was smeared to the bass meat. Texture profile analysis (TPA) and sensory evaluation were performed to evaluate the quality of the cured samples, and the correlations of the indexes in the two methods were analyzed ...
Micropterus salmoides; aquaculture; body weight; cottonseed protein; fish health; fish meal; gene expression; growth performance; histopathology; hypoxia-inducible factor 1; immunomodulation; interleukin-10; intestines; juveniles; microbiome; peptide transporters; permeability; protein concentrates; protein efficiency ratio; protein synthesis; specific growth rate; yeasts
Abstract:
... Cottonseed protein concentrate (CPC) is a potential fishmeal alternative but may negatively influence the gut health of fish. A specific paraprobiotic consisting of multi-strain yeast fractions (MsYF) was recently shown to improve gut health via immune modulation. This study aimed to evaluate the effects of MsYF on the growth performance, gut health and microbiome of largemouth bass fed a diet usi ...
... The nematode Eustrongylides excisus is a parasite of freshwater fish- and fish-eating birds, with known differences on prevalence values among fish species. Thus, the present study aims to explore the hypothesis that the feeding behavior and the size of fish belonging to different trophic levels could explain such differences. For that, 14 sampling sites were selected to perform a fish parasitolog ...
Gregory H. Halverson; Christine M. Lee; Erin L. Hestir; Glynn C. Hulley; Kerry Cawse-Nicholson; Simon J. Hook; Brian A. Bergamaschi; Shawn Acuña; Nicholas B. Tufillaro; Robert G. Radocinski; Gerardo Rivera; Ted R. Sommer
... This study uses Landsat 5, 7, and 8 level 2 collection 2 surface temperature to examine habitat suitability conditions spanning 1985–2019, relative to the thermal tolerance of the endemic and endangered delta smelt (Hypomesus transpacificus) and two non-native fish, the largemouth bass (Micropterus salmoides) and Mississippi silverside (Menidia beryllina) in the upper San Francisco Estuary. This p ...
... Micropterus salmoides is an economical important species of freshwater-cultured fish, the in-depth knowledge of its immune system is in urgent development to cope with serious infectious diseases. Piscidin is an important antimicrobial peptide (AMP) family existing in almost all teleosts. However, no piscidin has been reported in largemouth bass. In this study, three novel piscidins (MSPiscidin-1, ...
Micropterus salmoides; conservation genetics; genetic variation; genotyping by sequencing; heterozygosity; linkage disequilibrium; single nucleotide polymorphism; China
Abstract:
... Largemouth bass (Micropterus salmoides) is an economically important species in China. Contrary to its rapidly increasing yield during the last decades, the domestic genetic diversity of largemouth bass has gradually declined. In this study, 37 single nucleotide polymorphism (SNP) markers were developed based on genotyping-by-sequencing data and characterized by genotyping 32 individuals using the ...
... We previously demonstrated that Lactobacillus casei K17, isolated from Korean kimchi, has high antioxidant levels in vitro and in vivo. However, its effect on Micropterus salmoides is unknown. In this study, we investigated the impact of L. casei K17 supplementation on the lipid metabolism, antioxidant response, liver histology, and fillet quality of M. salmoides. We randomly assigned 450 M. salmo ...
Clostridium autoethanogenum; Micropterus salmoides; amino acids; aquaculture; body weight; collagen; diet; electronic tongue; feed conversion; feed intake; fish meal; hardness; lipids; meat quality; metabolites; metabolomics; protein metabolism; sensory evaluation; specific growth rate
Abstract:
... The study investigated dietary effects of replacing fish meal (FM) with Clostridium autoethanogenum powder (CAP) on growth, flesh quality and metabolomics of largemouth bass (Micropterus salmoides). The control diet contained 350 g/kg FM, and then dietary FM was decreased to 300 g/kg, 250 g/kg, 200 g/kg, 150 g/kg and 100 g/kg by CAP inclusion, respectively (FM-30, FM-25, FM-20, FM-15, FM-10). Then ...
Micropterus salmoides; aquaculture; carnivores; crude protein; essential amino acids; feed conversion; fish; fish nutrition; freshwater; gene expression; genes; insulin-like growth factor I; juveniles; leucine; lipids; muscles; protein efficiency ratio; protein synthesis; rapamycin; ribosomal proteins; weight gain
Abstract:
... Leucine is an essential amino acid in fish nutrition, but information is lacking about dietary leucine requirements of largemouth bass (Micropterus salmoides), which is an important freshwater carnivorous species of aquaculture interest. Thus, 450 fish (18.0 ± 0.1 g) were randomly divided into six groups, and offered semi-purified diets supplemented with crystalline L-leucine at 0 g kg⁻¹ (control) ...
... Bile acid (BA) has been reported to improve growth performance and play an important role in lipid metabolism of fish. Five diets were formulated to investigate the effects of dietary bile acid (chenodeoxycholic acid) supplementation on growth performance, antioxidant capacity, lipid metabolism and intestinal health of juvenile largemouth bass (Micropterus salmoides). Fish (18.35 ± 0.05 g) were ra ...
... High dietary levels of fat and/or starch can lower the growth and cause extensive liver inflammation that is linked to mortalities in largemouth bass, Micropterus salmoides. However, bile acids (BA) may mitigate these adverse effects. In a 2 × 2 × 2 factorial feeding trial, M. salmoides juveniles were fed different combinations of dietary high (HF), low fat (LF), high (HS) or low starch (LS) level ...
Micropterus salmoides; air; fish; mortality; research
Abstract:
... Catch-and-release (C&R) angling is common with anglers releasing a portion of their catch to comply with harvest regulations or because of their conservation ethic. The basis of C&R lies in the assumption that a large proportion of the fish survive and experience limited fitness consequences – that is, the welfare status of individual fish is maintained. However, the level of experience of an angl ...
Micropterus salmoides; body length; body weight; fish; research
Abstract:
... To study the effect of different stocking densities on the growth of largemouth bass (Micropterus salmoides) cultured in containers in a land‐based recirculating aquaculture system (C‐RAS), 13,500 fish with initial average body mass of 137.3 ± 5.46 g were selected and stocked at 1000 fish/container (group 50 fish/m³), 1500 fish/container (group 75 fish/m³) or 2000 fish/container (group 100 fish/m³ ...
... An 8-week feeding trial was conducted to investigate the effects of high-starch diets and the supplementation of an olive extract (OE) on the growth performance, liver health and lipid metabolism of largemouth bass (Micropterus salmoides). Four isonitrogenous and isolipidic diets were prepared: two basal diets containing low (9.0%) and high (14.4%) levels of starch (named as LS and HS), and 0.125% ...
... HighlightsLight design is needed in recirculating aquaculture systems.A long photoperiod is beneficial to largemouth bass growth.Low light intensity is beneficial to largemouth bass growth.Abstract. In this study, recirculating aquaculture systems (RAS) were used to culture juvenile largemouth bass, and the effects of LED light intensity and photoperiod on the survival and growth performance of ju ...
Acinetobacter; Bacteroidetes; Chlorella vulgaris; Clostridium autoethanogenum; Micropterus salmoides; aquaculture; body weight; cottonseed protein; cytokines; fish; fish meal; inflammation; intestinal microorganisms; intestines; juveniles; malondialdehyde; protein concentrates; superoxide dismutase
Abstract:
... To investigate the possibility of completely replacing dietary fish meal with several novel proteins in largemouth bass (Micropterus salmoides), the intestinal health of largemouth bass switched to novel protein diets after being fed with fish meal diet for a certain time were examined. The novel proteins included Chlorella vulgaris (ChM), Clostridium autoethanogenum (CAP), and cottonseed protein ...
... A 62-day feeding trial was conducted to assess the effects of dietary black soldier fly pulp (BSFP) on growth performance, liver and intestine histomorphology, and liver lipid metabolism gene expression of Micropterus salmoides. Four isoproteic and isolipidic diets were formulated by adding BSFP (original substance) to the basal diet at the rate of 0% (BSFP0), 1% (BSFP1), 2% (BSFP2) and 4% (BSFP4) ...
... This study aimed at evaluating the effects of dietary inclusion of Bacillus subtilis DSM 32315 on the growth, immunity, intestinal architecture and gut microbiota of juvenile largemouth bass Micropterus salmoides (LMB). B. subtilis DSM 32315 was supplemented in the diets at the levels of 0 (control, CON), 1.5 (BS1.5, 3 × 10⁶ CFU/g feed) and 3 g/kg (BS3, 6 × 10⁶ CFU/g feed). Each diet was assigned ...
Micropterus salmoides; aquaculture; body weight; diet; fish; growth performance; metabolism; methionine; protein efficiency ratio; rapamycin; weight gain
Abstract:
... Methionine (Met) as molecular signaling plays a vital regulatory role in growth-related cellular functions. However, more research in the regulatory mechanism of Met in fish species is needed. Therefore, this study was designed to elucidate the regulatory role of dietary Met on body growth performance and metabolism. Largemouth bass (initial body weight: 4.10 ± 0.01 g) fed with control (CON, Met: ...
... A 56-day feeding trial was conducted to evaluate the effects of dietary non-starch polysaccharide (NSPs) inclusion on the growth performance, intestinal flora and intestinal health of juvenile largemouth bass (6.00 ± 0.01 g) in quadruplicate. Seven isoproteic and isolipidic diets (crude protein 47.0%, crude lipid 12.5%) were formulated to contain 0%, 3%, 6%, 9%, 12%, 15% and 18% NSPs (each 100 g c ...
Micropterus salmoides; aquaculture; blood serum; body weight; coconut oil; dietary fat; feed conversion; fish; fish oils; growth performance; hepatopancreas; juveniles; linseed oil; lipid metabolism; lipids; liver; muscles; proximate composition; rapeseed oil; specific growth rate; vegetables; weight gain
Abstract:
... An eight-week feeding trial was conducted to investigate the effects of dietary lipid sources on growth performance, fatty acids composition in tissue and expression of genes related to lipid metabolism in juvenile largemouth bass (Micropterus salmoides). Four experimental diets were formulated to contain 6% coconut oil (CO), rapeseed oil (RO), linseed oil (LO) and fish oil (FO), respectively. Eac ...
... The effects of diets supplement Foeniculum vulgare extract (FE) and Artemisia annua extract (AE), single or combined, on the growth, liver antioxidant capacity and intestinal flora immunity of Micropterus salmoides were investigated. Largemouth bass juvenile (10.77 ± 0.02 g) were divided into 4 groups and each group was fed with diets supplemented with or without the medicinal herb extracts (addit ...
... The feeding method is of great significance for aquaculture production and cost. In recent years, research on intelligent feeding, a method based on fish appetite, has been trending. Few studies, however, have focused on fish welfare issues that can result from intelligent feeding. In this study, an adaptive feeder based on a practical intelligent feeding method was designed to evaluate whether th ...
... This study investigated the effects of replacing fish meal (FM) with fermented soybean meal (FSM) on the growth performance, serum biochemical indices, intestinal health, microbial community and disease resistance of largemouth bass (Micropterus salmoides). The basal diet was designed to contain 350 g/kg FM (control, FSM-0), and then, FM was decreased to 300 g/kg, 250 g/kg, 200 g/kg, 150 g/kg by t ...
Micropterus salmoides; antioxidant activity; aquaculture; blood glucose; blood serum; body weight; chewiness; cholesterol; cohesion; cottonseed protein; crude protein; feed conversion; fish meal; flavor; gossypol; growth performance; meat quality; protein concentrates; texture; triacylglycerols; water holding capacity; weight gain
Abstract:
... This study evaluated the effects of substituting fishmeal with cottonseed protein concentrate (CPC) on growth, flesh quality and gossypol deposition of largemouth bass, Micropterus salmoides. A basal diet was formulated to contain 700 g/kg fishmeal, and then CPC was used to replace 0% (FM), 15% (C15), 30% (C30), 45% (C45), 70% (C70) of dietary fishmeal. The five diets were fed to largemouth bass w ...
Methylococcus capsulatus; Micropterus salmoides; alanine transaminase; albumins; aspartate transaminase; caspase-3; cholesterol; fish; fish meal; growth performance; health status; interleukin-10; intestines; juveniles; methanotrophs; protein content; shellfish; triacylglycerols; villi
Abstract:
... A ten-week feeding trial evaluated the feasibility of methanotroph (Methylococcus capsulatus) bacteria meal (FeedKind®, FK) as a fishmeal substitute in largemouth bass (Micropterus salmoides) diets. Six isonitrogenous and isoenergetic diets with different inclusion levels of FK (0 (fishmeal group), 43, 86, 129, 172 and 215 g/kg) were formulated to replace 0, 50, 100, 150, 200 and 250 g/kg fishmeal ...
... Largemouth bass (Micropterus salmoides) is among the most important cultured fish species in China and various viral diseases have greatly affected the largemouth bass industry. We established a permanent cell line from the heart of M. salmoides (MSH) that has been subcultured over 70 times and showed optimal growth at 27 °C using Medium 199 supplemented with 10% fetal bovine serum. MSH cells cons ...
... Although there are several similarities in the life cycles of the azygiid trematodes Leuceruthrus micropteri and Proterometra macrostoma, their prevalence in their snail intermediate host and infection intensity in their centrarchid fish definitive hosts at North Elkhorn Creek, Kentucky, U.S.A., are markedly different. Here, we provide evidence for factors affecting their infection intensity in ce ...
... Microalgae exhibit diverse and high nutritional value, and therefore, have a huge potential application as a raw material for the preparation of aquafeeds. This study was conducted to evaluate the effects of low-level replacement of dietary fishmeals by algal meals comprised of Schizochytrium limacinum (SL) and Nannochloropsis salina (NS) individually and in combination in the diet of juvenile lar ...
... In the last few years, the widespread diffusion of potentially zoonotic parasitic nematodes of the genus Eustrongylides in the Trasimeno Lake, Central Italy, prompted Food Business Operators (FBOs) operating in the freshwater fish supply chain to define preventive measures to reduce or eliminate this new hazard from fishery products. The results of the self-checks for parasite risk management of a ...
... Largemouth bass virus (LMBV) causes high mortality in largemouth bass, and results in serious economic loses in the aquaculture industry. However, there is no effective treatment to control LMBV infection. Aptamers are single-stranded oligonucleotides with high specificity and affinity to various targets, including viruses, viral components, and virus-infected cells. In this study, three novel DNA ...
... Nocardia seriolae is one of the major causative agents of fish nocardiosis, responsible for large-scale fish die-offs and economic losses in the aquaculture industry worldwide. Therefore, research efforts towards developing efficacious alternatives to aquatic antibiotics, such as vaccines, immunomodulatory additives including aquatic probiotics, to control this disease are of high importance. Rece ...
Micropterus salmoides; aquaculture; body weight; diet; eicosapentaenoic acid; fatty acid composition; feed conversion; fish; heat tolerance; thermal stress; water temperature
Abstract:
... This study assessed growth, feed conversion efficiency, and fatty acid composition of three size classes of northern largemouth bass Micropterus salmoides salmoides (80 g, 105 g, and 137 g) subjected to a 35 °C water temperature for 28 days. A completely randomized design was conducted, with ten fish per tank and treatments triplicated. The trial was conducted in 180-L tanks in a recirculating sys ...
... This study focused on the effects of starch levels on growth performance, intestinal dysbiosis and health of Micropterus salmoides. Three isonitrogenous and isolipidic diets containing different corn starch levels (5%, 10%, 15%) were fed to experimental fish (initial body weight: 8.66 ± 0.04g) for 8 weeks, respectively. The results showed that the 15% starch levels suppressed the growth, decreased ...
... MicroRNAs (miRNAs) are considered key regulators to post-transcriptionally regulate gene expression affecting multiple biological activities. However, the developmental process of fish skeletal muscles is regulated by complicated molecular mechanism that has not been completely well-described. In this study, two small RNAs libraries from skeletal muscle of juvenile as well as adult largemouth bass ...
Hypomesus nipponensis; Micropterus salmoides; Sternula; courtship; diet; freshwater; heat tolerance; image analysis; lakes; prey species; remote control; species diversity; surface water; water birds; South Korea
Abstract:
... Little Tern (Sternula albifrons) prey composition was studied on a sandy islet in inland Andong Lake, Republic of Korea, during the breeding season (April to July 2018). Two remote-control video cameras with 4K-resolution were set on the islet to identify prey and determine whether prey species composition or size differed among breeding stages. On still images in which terns had prey in their bil ...
Micropterus salmoides; adverse effects; blood; feed intake; fish; intestines; juveniles; liver; pollution; schools of fish; water quality; weight gain
Abstract:
... The operation of the equipment in industrial recirculating aquaculture systems (RAS) affects the underwater soundscape of aquaculture tanks where fishes live. This study evaluated the influence of commercial industrial RAS noise on the growth, physiology, and behavior of juvenile largemouth bass (Micropterus salmoides). In this study, two experimental groups, the RAS noise group (115 dB re 1 μPa R ...
Lepomis macrochirus; Micropterus salmoides; absorbance; adults; color; energy flow; energy transfer; fish feeding; fish larvae; freshwater; juveniles; phytoplankton; spring; zooplankton
Abstract:
... Fish foraging and energy flow between trophic levels are predicted to decline with freshwater browning due to decreased light availability. Studies investigating these predictions have focused on juvenile and adult fishes; however, the larval stage represents a “critical period” in development. We investigated the indirect (i.e., prey availability) versus direct (i.e., visual foraging) effects of ...
... It is widely acknowledged that the malformed fish shows low resistance to diseases due to abnormal development of body, leading to the decrease of viability. Until now, there is no evidence for the relationship between developmental abnormalities and pathogen infections in fish breeding. In this study, the first record of Ichthyophthirius multifiliis infection in Micropterus salmoides was reported ...
... Recently, the same fish diseases, which have been found in pond farming, have been found in the newly tested largemouth bass (Micropterus salmoides) system. Bacterial septicemia caused by Aeromonas hydrophila occurs frequently in largemouth bass culture leading to significant economic losses. To investigate the role miRNA in the largemouth bass disease resistance, twelve (2 tissues (spleen and hea ...
... Many metabolic diseases in fish are often associated with lowered mitochondrial fatty acid β-oxidation (FAO). However, the physiological role of mitochondrial FAO in lipid metabolism has not been verified in many carnivorous fish species, for example in largemouth bass (Micropterus salmonids). In the present study, a specific mitochondrial FAO inhibitor, mildronate (MD), was used to investigate th ...
... Chemical alarm cues alert aquatic prey to the presence of an actively foraging predator. There is a large literature based upon responses to alarm cues derived from skin extract because it is anticipated that prey skin is damaged when prey are attacked by a predator. However, many predators feed by suction feeding whereby prey are quickly drawn into the buccal cavity and swallowed whole with littl ...
... Interleukins (ILs) are a subgroup of cytokines involved in the intercellular regulation of the immune system, which play important roles in host immune defense against pathogens. In the present study, three ILs (IL‐1β, IL‐15 and IL‐16) were identified from largemouth bass (Micropterus salmoides), an economically important freshwater fish species. The three ILs, which shared characteristic features ...
... Gonadotropins (GtHs), including follicle‐stimulating hormone (FSH) and luteinizing hormone (LH), are important hormones involved in gametogenesis, gonadal steroidogenesis, and maturation. In this study, GtH subunits (FSHβ, LHβ and CGα) of largemouth bass (Micropterus salmoides) were cloned and characterized, and their regulation by luteinizing hormone‐releasing hormone analog (LHRHa2) and dopamine ...
... The polymeric immunoglobulin receptor (pIgR) is an important molecule in the mucosal immunity of teleosts. Previous studies have shown that pIgR can bind and transport polymeric immunoglobulins (pIgs), but few studies have focused on the binding of teleost pIgR to bacteria. In this study, we identified a gene encoding pIgR in largemouth bass (Micropterus salmoides). The pIgR gene contained two Ig- ...
... Immunoglobulins (Igs) are crucial components of the immune response in vertebrates including teleost fish. In the present study, we firstly cloned the full-length cDNA of IgT and IgD heavy chain genes in largemouth bass (Micropterus salmoides), one of the important farmed fish species in China. Importantly, IgH locus covering τ, μ and δ genes of largemouth bass was also illustrated. The genomic or ...
... The present study was conducted to investigate the effect of fish meal replacement with Clostridium autoethanogenum protein (CAP) on growth performance, haemato-biochemistry, digestive capacity, antioxidant index, and histopathological examination of liver and intestine in largemouth bass (Micropterus salmoides). Seven experimental diets were formulated with CAP replacement of 0% (CAP0), 15% (CAP1 ...
... With the rapid development of intensive aquaculture in recent years, liver disease of largemouth bass has been increasingly prominent both in China and even around the world. The main gross pathology found the liver is swollen, pale or white in color, with round and blunt edges, and brittle texture. The morbidity and mortality varied. In some cases, the cumulative mortality could reach more than 2 ...
... Interleukin-8 (IL-8 or C-X-C motif chemokine ligand 8, CXCL8) is a cytokine secreted by numerous cell types and is best known for its functional roles in inflammatory response by binding to specific receptors (the interleukin-8 receptors, IL-8Rs). From the transcriptomic data of largemouth bass (Micropterus salmoides), we identified an IL-8R that is highly homologous to the functionally validated ...
... Many small reservoirs exist throughout Southern Africa, and with adequate management have the potential to contribute significantly to food security. The fisheries and limnology of the newly created Chitsuwa Reservoir in Zimbabwe were studied with the objective of generating information to support the development, management and sustainable use of fisheries to enhance the socio‐economic status of ...
Micropterus salmoides; algorithms; altitude; climate change; environmental assessment; geographical distribution; habitats; indigenous species; invasive species; prediction; temperature; water quality; watersheds; South Korea
Abstract:
... Predicting the shift of invasive species distribution in response to climate change is essential for ecological risk assessment. In this study, the distribution of invasive largemouth bass (Micropterus salmoides) was predicted from 2016 to 2085 in the Han River basin of South Korea using HadGEM3-RA based climate change scenarios (representative concentration pathway [RCP] 4.5 and 8.5 scenarios). A ...
... A murine monoclonal antibody (mAb, IgG2a) was produced for the detection of smallmouth bass (Micropterus dolomieu) immunoglobulin (IgM). The antibody is specific for IgM heavy chain and was shown to also recognize the Ig heavy chain of largemouth bass (Micropterus salmoides) and bluegill (Lepomis macrochirus) using Western Blot analysis of plasma from 9 teleost taxa. When applied to the analysis o ...
Micropterus salmoides; Sander canadensis; Sander vitreus; autumn; climate; fish communities; freshwater ecosystems; global warming; greenhouse gas emissions; habitats; hybrids; models; piscivores; spring; summer; temperature; warm-water fish
Abstract:
... Rising temperatures caused by climate change are likely to affect cool‐water and warm‐water fishes differently. Yet, forecasts of anticipated temperature effects on fishes of different thermal guilds are lacking, especially in freshwater ecosystems. Towards this end, we used spatially explicit, growth rate potential (GRP) models to project changes in seasonal habitat quality for a warm‐water pisci ...