Shrimp - Science topic

Vibrio alginolyticus is one of the major disease-causing bacteria in shrimp aquaculture. The widespread use of antibiotics in shrimp aquaculture to treat bacterial diseases has raised concerns about antibiotic resistance. As a result, alternative treatments, such as plant extract phytochemicals are being explored to mitigate these risks. This study...

BACKGROUND AND OBJECTIVES: Aquaculture practices were emitting wastewater containing pollutants. The identified pollutants encompass heavy metals along with nitrite and nitrate. In this context, clam shells have emerged as a cost-effective and proficient adsorbent, demonstrating the ability to eliminate pollutants from water sources. This study aim...

An established population of Trinidadian guppies (Poecilia reticulata) and Cherry shrimp (Neocaridina davidi) has been observed in thermal waters in the Parc des Thermes of Juvignac, near Montpellier (Southern France). This is the first record of these two species in metropolitan France. Their identity has been morphologically and molecularly confi...

Tiger shrimp (Panaeus monodon) is a crucial fishery product in East Kalimantan, Indonesia, distributed within 12 h by land routes, leading to quality deterioration due to microbial contaminants. This study aimed to analyze the presence of microbial contaminants in tiger shrimps and detect risk factors that cause the presence of bacterial contaminan...

Background and Objective: Sonneratia alba has a variety of bioactivities due to its secondary metabolites, one of its potential is as an anti-cancer agent. There are some previous studies on the toxicity of this plant. However, there is no information about the cytotoxic activity of the fruit part against colon and breast cancer cell cultures. Ther...

One of the factors that influence shrimp cultivation is the presence of algae. Precise knowing algae content in the pond is essential for effective management. Most research in the field of algae species carried out by researchers were observing Chlorella Sp. more than the other algae species, with a particular emphasis on substance concentrations....

Mangroves are coastal hotspots for carbon storage and yet face multiple threats from anthropogenic activities. Here we explore the role of iron-mediated organomineral interactions (FeOMIs) in soil organic carbon (SOC) stabilization and their sensitivity to land use change (LUC) in Amazonian mangroves. We show that Fe oxides protect more labile SOC...

Udang vannamei (Litopenaeus vannamei) merupakan salah satu komoditas akuakultur utama nasional di Indonesia dengan potensi ekonomi yang besar. Meskipun demikian, kendala seperti kualitas air yang buruk dan praktik pemberian pakan yang tidak memadai menghalangi akuakultur yang berkelanjutan. Penelitian ini bertujuan untuk merancang sistem pemberian...

The geodynamic setting of the southwestern Yangtze Block in the latest Mesoproterozoic has been a controversial issue for decades, which confuses the relationship between the Yangtze Block and the assembly of Rodinia supercontinent. We here report an integrated dataset of petrology, whole-rock geochemistry, zircon U-Pb ages and Hf isotopes for the...

Litopenaeus vannamei, with an annual production of 5–6 million tons and a value of USD 50–60 billion, is a cornerstone of global aquaculture. However, molting-related losses of 5–20% significantly impact this industry, and the physiological mechanisms of molting remain unclear. This study aims to elucidate the role of eclosion hormone (EH) in molti...

El presente artículo muestra la relación existente entre las obligaciones tributarias y la rentabilidad de las empresas del sector camaronero, mediante el Impuesto a la Renta causado y los indicadores de rentabilidad ROE y ROA. Considerando que en el Ecuador existen 1426 empresas activas dentro del sector antes mencionado, generando ingresos formid...

As global shrimp production scales new heights, whiteleg shrimp (Penaeus vannamei) stands at the forefront, with an impressive 6.8 million tonnes produced in 2022, securing its place as the world’s top aquaculture species. This rapid expansion underscores shrimp farming's role in the global seafood supply chain. However, alongside this growth, shri...

Desa Blitok, Kabupaten Situbondo merupakan suatu desa yang berbatasan langsung dengan pesisir Laut Jawa. Nelayan menggunakan alat tangkap pancing ulur dan jaring udang karena modal yang dikeluarkan tergolong rendah dan mudah dioperasikan. Kedua alat tangkap tersebut dianggap sebagai alat tangkap yang ramah lingkungan dalam penggunaanya. Sampai saat...

Shrimp is a key raw material in shrimp crackers production. The competitive snack food industry leads to fluctuating demand for shrimp crackers, impacting the supply chain. Demand uncertainty often causes mismatches between the supply of shrimp raw materials and actual needs. Excess raw materials can lead to spoilage due to prolonged storage. The m...

This work estimated the biochemical nature of the enzymatic chitosan hydrolysate (CH) as oligomeric chitooligosaccharide products resulting from microwave-aided cellulase hydrolysis of chitosan from shrimp and crab as well as their biological effects and potential preservative application. The microwave irradiation was conducted at 125 W for 15 min...

Objective To understand the dietary patterns of adults and explore their association with iodine nutritional levels and thyroid function in adults. Design We randomly collected 5 ml of adult urine samples and measured urinary iodine concentration by cerium arsenate-catalyzed spectrophotometry. A serum sample of 5 ml was collected for the determina...

Introduction Hypoxia stress renders aquatic animals more susceptible to bacterial disease, yet the underlying mechanism remains elusive. Methods We conducted an acute hypoxia stress experiment to investigate the impact of stress on the immune response of Litopenaeus vannamei via transcriptome analysis, RT-qPCR and Western blot. Results Our result...

Chitin and phytic acid are abundant sustainable resources commonly found in shrimp shells, crab shells, and various plants. However, they are underutilized, and their biomass value is frequently underestimated. To address this, the current study developed a strategy to synthesize efficient separator coatings for zinc-iodine (Zn-I) batteries using c...

In recent decades, the aquaculture industry has seen exponential growth worldwide, surpassing other food production sectors. This review aims to explore the dynamics of aqua feed production, particularly the shift from conventional to local feed production in Africa, driven by cost-effectiveness and the availability of raw materials. This review ex...

This study investigated the spatiotemporal distribution, feeding ecology, and trophic dynamics of the marine fish species brown croaker (Miichthys miiuy) in the southwestern sea of Korea. As a top predator, M. miiuy primarily consumes small fish, especially anchovies and Larimichthys polyactis, with peak catch rates occurring in autumn. Stomach con...

Microorganisms in the digestive tract regulate the metabolism of host cells as well as stimulate the immune system of the host. If the microbiota is in good balance, it will promote the good health of the host. In this study, using 16S rRNA sequencing, we analyzed the microbiota of three groups of shrimp: a group of normal shrimp (control group), s...

Along the Algerian coast (GFCM-GSA04), the deep-water rose shrimp, Parapenaeus longirostris (Lucas, 1846), holds significant socio-economic value, yet its biological characteristics remain understudied. To fill this gap, the present study aimed to describe key traits of the species, including length-weight relationships (LWR), condition factors (CF...

Invasive alien species pose severe threats to global biodiversity, ecosystem functions, and socioeconomic values, particularly in coastal and marine ecosystems. This study aimed to investigate the trophic interactions between alien species and native fauna in a Mediterranean coastal ecosystem. Notably, our research focused on the presence and ecolo...

The concept of landscape is polysemic and subjectively constructed. It comprises abstract and physical elements that shape landscape character and community's identity. Recognizing a natural link between nature and community does not create the landscape; it makes people feel dependent on their environment that provides them with services. The land...

Bio-waste (51.54% of total weight) was obtained from the head and shell of giant red shrimp ( Aristaeomorpha foliacea ), and comparison with the fatty acid profiles of shrimp meat revealed a higher total polyunsaturated fatty acids content in bio-waste. The study then investigated the effect of six solvents of different polarities (hexane, acetone,...

This research evaluated the effect of different levels of extrusion process energy during the production of wheat and sorghum-based feeds on the growth performance and digestibility of Pacific white shrimp (Litopenaeus vannamei). Process energy consisted of mechanical and thermal components, which were both modulated via varying preconditioner stea...

Slow-fast dynamics are intrinsically related to complex phenomena, and are responsible for many of the homeostatic dynamics that keep biological systems healthfully functioning. We study a discrete-time membrane potential model that can generate a diverse set of spiking behavior depending on the choice of slow-fast time scales, from fast spiking to...

The development of vanamei shrimp farming in freshwater aims to expand economic and social opportunities. However, raising shrimp outside their natural habitat presents challenges. This study aimed to identify the best acclimatization method, the lowest salinity level that supports shrimp growth, and suitable natural feeds for low-salinity conditio...

Vibriosis, caused by various Vibrio species, poses a significant challenge in the aquaculture of Litopenaeus vannamei. Bacteriophages present a promising biocontrol option due to their ability to specifically target and kill bacteria without harmful side effects. This study evaluates the effectiveness of bacteriophages isolated from shrimp intestin...

Every year, large amounts of shrimp waste are disposed of in the environment, causing serious environmental problems. The prospect of recycling shrimp waste helps to reduce waste and protect the environment. In this study, three different shrimp species were used, including Pleoticus muellieri, Litopeneus vanamei, and Parapenaeus longirostris, sepa...

Postmortem blackening of shrimp caused by phenoloxidase activity has resulted in enormous economic losses for aquaculture. Apart from polyphenoloxidase, the hemocyanin-derived phenoloxidase also proved its ability in possessing phenoloxidase activity. In this study, the nature of hemocyanin-derived phenoloxidase in Litopenaeus vannamei was explored...

Aquaculture is a rapidly growing industry that contributes to the growing global demand for food. Numerous studies have investigated the necessity of increasing food production while reducing its negative effects on the environment. Aquaculture involves the cultivation of aquatic animals such as fish, shrimp, and mollusks that require water for the...

Shrimp trawl fishery is of significant importance in Saudi Arabia’s marine capture fishery sector. Al Qunfudhah and Jizan are the only ports along the southern Saudi Arabian coast of the Red Sea dedicated to shrimp fishing. This study evaluates the catch per unit effort (CPUE) of targeted shrimp species along with the associated retained bycatch an...

Mycetomorpha vancouverensis is an enigmatic parasitic barnacle from the family Mycetomorphidae, known for its unclear phylogenetic position within Rhizocephala. Specimens of M. vancouverensis were collected from infected Neocrangon communis shrimps near the South Kuril Islands. Detailed morphological studies were conducted using histological techni...

Gut microbiota is essential for host development and growth, with strong links to diet and growth performance in aquatic species. This study explores the bacterial communities in kuruma shrimp (Penaeus japonicus) under different diets and growth rates. Shrimp with an average initial weight of 0.30 ± 0.08 g were fed diets with varying protein (50%,...

Seafood is the main source of exposure to environmental contaminants. However, risk-benefit analysis indicates that, in most of cases, the benefits associated to fish and seafood consumption outweigh the risks. The present study intended to determine the concentration of cadmium (Cd), lead (Pb), copper (Cu), zinc (Zn) and the Total Volatile Basic N...

This study aimed to determine the effect of vitamin C dietary supplementation in orange-spotted spinefoot broodstock on the performance quality of the larvae. This study was in the Tiger Shrimp Breeding Installation (IPUW), Barru, South Sulawesi. This study used a completely randomized design with four treatments of vitamin C dosage and two replica...

This study investigated the resistance of Pacific white shrimp (L. vannamei) to hypothermal shock when treated with extracts from the brown seaweeds Sargassum filipendula and Ascophyllum nodosum, either by immersion for postlarvae or as a dietary supplement for juveniles. Post-larvae were exposed to seaweed extracts at concentrations of 20, 50, 100...

The purpose of this study was to determine the effect of microbe consortium on the physical characteristics of pools water and the growth of vannamei shrimp. The experiment was arranged in a Completely Randomized Design consisting of five types of microbe consortium treatments including Trichoderma, Lactobacillus, probiotic bacteria, Trichoderma-La...

Understanding the functions of mitochondrial genomes is crucial for studies related to the evolution of genomes, phylogenomics, and species identification. For the first time, complete mitogenome of Potamalpheops sp. a non‐snapping shrimp has been successfully sequenced and characterized from Taiwan that belongs to the Decapoda order, Crustacea cla...

The ghost shrimp Callichirus corruptus inhabits sandy beaches along the Brazilian coast. Although various traits can differentiate sex in ghost shrimp, claw asymmetry (heterochely) is often used. This study examined whether habitat features and human disturbance influence claw asymmetry. Controlling for sex, we assessed natural and human factors af...

As aquaculture production grows, so does the demand for quality and cost-effective protein sources. The cost of fishmeal (FM) has increased over the years, leading to increased production costs for formulated aquafeed. Soybean meal (SBM) is commonly used as an FM replacer in aquafeed, but anti-nutritional factors could affect the growth, nutrition,...

Organisms occupy diverse ecological niches worldwide, each with characteristics finely evolved for their environments. Crustaceans residing in deep-sea hydrothermal vents, recognized as one of Earth’s extreme environments, may have adapted to withstand severe conditions, including elevated temperatures and pressure. This study compares the exoskele...

BF3, volatile amines (VOAs), and biogenic amines (BAs) are the key indicators in chemical reaction catalysis and food quality monitoring. In this study, we present two types of fluorescent sensors, a hydrazone ligand (HL)-based fluorescent sensor for BF3 detection and a novel sensor array using six boron difluoride (BF2) hydrazone complexes (BFHs)...

BACKGROUND Myofibrillar protein (MP) is essential for the texture and taste of shrimp surimi products. The reactive oxygen/nitrogen species (ROS/RNS) produced by atmospheric cold plasma (ACP) might cause oxidative modification of MP. In this study, the effect of different ACP treatment times on the properties of red shrimp MP was investigated in de...

Smart packaging technologies are revolutionizing the food industry by extending shelf life and enhancing quality monitoring through environmental responsiveness. Here, a novel smart packaging concept is presented, based on amyloid fibrils (AM) and red radish anthocyanins (RRA), to effectively monitor food spoilage by color change. A protein nanofib...

Vibrio vulnificus is a significant opportunistic pathogen with the highest fatality rate among foodborne microbes. However, due to a lack of comprehensive surveillance, the characteristics of isolates in China remain poorly understood. This study analyzed 60 strains of V. vulnificus isolated from diverse sources in Shanghai, including shellfish, cr...

Background The invasion of non-native species into ecosystems is a growing human-induced problem. To control their spread and population growth, knowledge is needed on the factors that facilitate or impede their invasions. In animals, traits often associated with invasion success are high activity, boldness, and aggression. However, these traits al...

There is international focus on global plastic pollution and the subsequent weathering and distribution of microplastics (MPs) and nanoplastics (NPs) in the environment, including human health and ecological concerns. Consequently, there is a rapidly growing body of data reporting environmental exposures (e.g., particle concentrations, size, shape,...

Background It has been reported that the most common post-transcriptional modification of eukaryotic RNA is N6-methyladenosine (m6A). Previous studies show m6A is a key regulator for viral infection and immune response. However, whether there is a pathogen stimulus-dependent m6A regulation in invertebrate shrimp has not been studied. Results In th...

The present study details the development of a solar dryer with double pass flat plate solar collector having carbon nanodots (CNDs) coated absorber surface. Among the various concentrations of CNDs (0.1, 0.2, 0.5, 1, and 2%), the 0.5% CNDs coated absorber surface recorded the highest absorptance and lowest reflectance with higher spectral selectiv...

At deep‐sea hydrothermal vents, deprived of light, most living communities are fueled by chemosynthetic microorganisms. These can form symbiotic associations with metazoan hosts, which are then called holobionts. Among these, two endemic co‐occurring shrimp of the Mid‐Atlantic Ridge (MAR), Rimicaris exoculata and Rimicaris chacei are colonized by d...

This research aims to construct a WOA-VMD-XGBoost-SHAP model to predict shrimp prices and analyze the nonlinear effects of key predictors. Firstly, the whale algorithm (WOA) is used to optimize the K-value and penalty parameter of the variational mode decomposition (VMD) to adaptively decompose the original price series and reduce the data noise. I...

Trypsin from the digestive tract of harpiosquillid mantis shrimp (HMS) was purified using ammonium sulfate precipitation and a soybean trypsin inhibitor‐CNBr‐activated Sepharose 4B affinity column. The purified trypsin (PTRP‐HMS) had a purity of 30.4‐fold, and a yield of 14.5% was obtained. PTRP‐HMS had the molecular weight of 23.0 kDa as examined...

As indicated by research conducted in the state of Rio Grande do Norte, located in northeastern Brazil, the region ranks as the second-largest shrimp producer in the country. However, the environmental impacts associated with shrimp production by micro and small-scale enterprises remain insufficiently explored. The aim of this study was to assess t...

This study compares the nutritional composition of two commercially important crustaceans, Farfantepenaeus notialis and Macrobrachium vollenhovenii, to assess their dietary suitability. Proximate and mineral analyses were performed on dried samples of each species, evaluating fat, protein, ash, moisture, and mineral concentrations. Results reveal s...

INTRODUCTION: Astaxanthin, a carotenoid compound belonging to the xanthophyll group, occurs naturally in algae, yeast, and marine organisms such as shrimp, trout, lobster, and krill. Renowned for its antioxidant prowess, astaxanthin shields mitochondria from harm caused by reactive oxygen species (ROS). Its exceptional antioxidant potency is notewo...

Globally, aquaculture is evolving in new directions achieving the critical goal of sustainable global aquaculture. A good larval-rearing diet is essential for the cultivation of aquaculture species, especially in larvae growth, survival and disease resistance. However, the success of larval rearing has been limited by the early use of artificial me...

Vibrio alginolyticus frequently breaks out in aquatic animal breeding operations involving shrimp, and it can endanger human health through food and wound infections. The antibacterial effect and mechanism of fermented pomegranate peel polyphenols (FPPPs) on V. alginolyticus were investigated. The results indicated that FPPPs had a strong inhibitor...

Intensive shrimp farms sometimes experience cases of death of vaname shrimp (Litopenaeus vannamei) due to infection with various pathogens and one of these diseases is EHP (Enterocytozoon Hepatopenaei). This disease mostly attacks vaname shrimp in the post-lava phase, EHP can take up nutrients in the digestive tract so that it can inhibit growth, n...