Thirunavukkarasu Muralisankar

• Ph.D.,
• Professor (Assistant) at Bharathiar University

The aim of the current study was to assess the effects of dietary Ganoderma lucidum polysaccharides (GLPs) on the growth, digestive enzyme activities, muscle biochemical compositions, antioxidant, and metabolic enzyme status of the freshwater prawn, Macrobrachium rosenbergii. GLPs were isolated and supplemented with basal diets at 0, 1.0, 1.5, 2.0...

This study was conducted to evaluate the influence of herbs such as Ocimum sanctum, Phyllanthus amarus and Solanum trilobatum on the freshwater prawn, Macrobrachium rosen-bergii, postlarvae (PL). These herbs were powdered and incorporated at 5% with the basal diet separately and in a combination. The M. rosenbergii was fed with these feeds for a pe...

Marine crabs play an integral role in the food chain and scavenge the debris in the ecosystem. Gradual increases in global atmospheric carbon dioxide cause ocean acidification (OA) and global warming that leads to severe consequences for marine organisms including crabs. Also, OA combined with other stressors like temperature, hypoxia, and heavy me...

The present study investigated the microplastics (MPs) contamination in the gastrointestinal (GI) tract, gills and muscle of the Mozambique tilapia, Oreochromis mossambicus sampled from the Selvampathy Lake of Coimbatore, Tamil Nadu. MPs abundance was found in 10 to 28, 8 to 27, and 4 to 12 particles and their size ranged between 4.4 and 210, 4.6 t...

Ocean acidification (OA) and heavy metal pollution in marine environments are potentially threatening marine life. The interactive effect of OA and heavy metals could be more vulnerable to marine organisms than individual exposures. In the current study, the effect of OA on the toxicity of cadmium (Cd) in the crab Scylla serrata was evaluated. Crab...

In insects, enzyme phenoloxidase plays a critical role in cuticular sclerotisation and defensive functions. In the present investigation, haemolymph phenoloxidase activity from the grub of Zophobas morio was attempted to evaluate as a reliable predictor of insect’s immunological response. Among the various substrates tested, L-DOPA was chosen as an...

Polyunsaturated Fatty Acids (PUFAs) are important nutrients for human health. We aimed to evaluate the efficiency of marine water fungus Aspergillus sp. (Accession no: MZ505709) for lipid biosynthesis. The Yeast Extract Glucose (YEG) medium was supplemented with different concentration of Borassus flabellifer Endocarps Hydrolysate (BFEH; 1–5%) to e...

The decreasing ocean pH seems to adversely affect marine organisms, including crustaceans, which leads to potential threats to seafood safety. The present investigation evaluated the effect of seawater acidification on the edible marine mud crab Scylla serrata instars. The experimental setup was designed using a multi-cell cage based system assembl...

Microplastics (MPs) in the gastrointestinal (GI) tracts of the five fish species from the Kollidam and Vellar rivers of Tamil Nadu, Southern India were evaluated. A total of 315 MPs were isolated from GI tracts of 23 fishes (Chanos chanos, Chanda nama, Chelon macrolepis, Carangoides malabaricus and Gerrus filamentosus) sampled from both rivers. MPs...

Aquaculture industry is one of the world’s fastest and largest growing food producing sector. Most importantly, the usage of fish meal in aquaculture has been replaced with alternate protein sources due to their production cost, demand of raw materials and various environmental issues. The insect black soldier fly (Hermetia illucens) larval (BSFL)...

The occurrence of microplastics MPs in the gastrointestinal (GI) tracts of the five different fish species ( Chanos chanos , Chanda nama , Chelon macrolepis , Gerrus filamentosus , and Carangoides malabaricus ) from the Kollidam River and Vellar River of Tamil Nadu, Southern India were evaluated. A maximum of 23 individual fishes was sampled from b...

Aquaculture industry is one of the major food-producing sectors in the world that provide nutritional food security for mankind. Fish and crustacean farmers are facing various challenges in treating the rapid spread of infectious diseases in recent times. Numerous strategies, including antibiotics, disinfectants, and other antimicrobial agents, hav...

Minerals are essential nutrients that play a key role in all living organisms. Minerals act as a catalyst for many biological functions of organisms including skeletal formation, maintenance of colloidal systems, acid-base equilibrium, and other biologically important compounds like enzymes, hormones, vitamins, etc. Aquatic animals can obtain essen...

In the present study, the crude polysaccharides were extracted from red seaweed, Amphiroa fragilissima. A. fragilissima crude polysaccharides (AFCP) was encapsulated with Artemia nauplii at different levels, such as 0 (control), 0.1, 0.15, and 0.20 g/L), followed by being fed to Litopenaeus vannamei postlarvae (PL) for 45 days. At the end of the fe...

In the present study, chitin was extracted from marine crustacean shell waste (shrimp, crab, squilla and lobster) using traditional chemical methods (deproteinisation and demineralization) and its physicochemical and structural properties were characterized. The chitin content of crustacean shell waste ranged from 17.50% to 23.75% on a dry weight b...

Ocean acidification is becoming a potential threat to marine animals. The present study investigated the effect of seawater acidification on Artemia franciscana. A. franciscana cysts were allowed to hatch at different pH levels of pH 8.2 (control), 7.8, and 6.8. After 48 h incubation, the hatching percentage was significantly reduced in acidified s...

The present study mainly focuses on analysing the phytochemical profiling and antioxidant activity of Kappaphycus alvarezii collected from seaweed farming site of Munaikadu coast at Palk Bay, southeast coast of India. The pigments (chlorophyll ‘a’ and ‘b’, total carotenoid and anthocyanin) and contents of biochemicals (total protein, lipid, carbohy...

Nanoparticles synthesized by chemical methods are of a matter of concern, whereas, the green methods are said to be eco-friendly and environmentally safe. In this study, the toxicity of palladium nanoparticles (Pd NPs) synthesized through chemical co-precipitation and green route method using Annona squamosa seed kernels (AsPd NPs) were evaluated u...

Background: Insects are a living resource used for human nutrition, medicine, and industry. Several potential sources of proteins, peptides, and biopolymers, such as silk, chitin, and chitosan are utilized in industry and for biotechnology applications. Chitosan is an amino-polysaccharide derivative of chitin that consists of linear amino polysacc...

Three species of mangroves and six species of salt marshes were collected from various locations along the Tuticorin coast for the estimation of metals like Cu, Cd, Pb, and Zn. The bioaccumulation of metals in mangroves is in the order of Cu > Pb > Zn > Cd, and the season-wise accumulation was higher in monsoon followed by summer, post-monsoon, and...

In the present study, heavy metals (Cd, Cu, Pb, and Zn) level in the water, sediment, and crabs were analyzed from Noyyal and Chinnar Rivers of the Western Ghats in Tamil Nadu, India. Based on our results, Noyyal River is considered as polluted environment due to the discharge of contaminants by various anthropogenic activities, whereas, Chinnar Ri...

The present study was performed to analyze the bioaccumulation of heavy metals, biochemical constituents, antioxidants, and metabolic enzymes in the crab Scylla serrata from different regions of Tuticorin, Southeast Coast of India. The study area consists of Threspuram and Harbour Beach which were polluted environments due to the discharge of indus...

Acidification in the marine environment has become a global issue that creates serious threats to marine organisms. In the present study, we evaluated the effect of CO2 driven acidification on the shrimp Litopenaeus vannamei post-larvae (PL). L. vannamei PL were exposed to six different CO2 driven acidified seawater, such as pH 8.20 (control), pH 7...

Tropical and sub-tropical fruits are tremendous sources of polysaccharides (PSs), which are of great interest in the human welfare system as natural medicines, food and cosmetics. This review paper aims to highlight the recent trends in extraction (conventional and non-conventional), purification and analytic techniques of fruit polysaccharides (FP...

The present study was focused to evaluate the phytoplankton biodiversity in two freshwater perennial lakes of Sulur and Ukkadam of Coimbatore District, Tamil Nadu, India. The study period was two years from March 2012 to February 2014. Results revealed that totally 50 species of phytoplankton include 14 Cyanophyceae, 19 Chlorophyceae, 14 Bacillario...

The present study was aimed to assess the effects of complete replacement of fish meal with fisheries waste meals on survival, growth performance, digestive enzyme activities, and muscle compositions of the freshwater fish Cyprinus carpio. The proximate composition and mineral contents of three different fisheries wastes, such as Rastrelliger kanag...

Smoking and smokeless tobacco consumption is a significant risk factor that provokes genetic alterations. The present investigation was to evaluate the biomarkers of genotoxicity including micronucleus (MN), chromosome aberrations (CA) and DNA strand breaks among tobacco consumers and control individuals residing in hilly areas of Western Ghats, Ta...

Current study was made to investigate the effect of dietary Ganoderma lucidum polysaccharides (GLP) on growth, innate immune response and disease resistance of the freshwater prawn, Macrobrachium rosenbergii against Aeromonas hydrophila infection. Juveniles of M. rosenbergii were fed diets containing 0 (control), 1, 1.5, and 2 g/kg of GLP for a per...

Current study was made to investigate the effect of dietary Ganoderma lucidum polysaccharides (GLP) on growth, innate immune response and disease resistance of the freshwater prawn, Macrobrachium rosenbergii against Aeromonas hydrophila infection. Juveniles of M. rosenbergii were fed diets containing 0 (control), 1, 1.5, and 2 g/kg of GLP for a per...

Aquaculture is expanding worldwide to meet the protein requirements of humans. The basic requirement in culture practice is seed production, while the major constraint is larval nutrition (Imelda 2003). Larviculture—specifically, the initiation of feeding in early larval stages—is a major bottleneck for the industrial scale-up of fish and shellfish...

Next to agriculture, aquaculture plays a major role in food production around the world. Finfish and shellfish have a vital role in aquaculture operations. Among these, crustaceans, such as prawns, shrimps, crayfish, lobsters and crabs have vital role due to their nutritious delicacy for mankind. Macrobrachium rosenbergii is one of the important cu...

The chitin was extracted from C. inscriptus and the structure was elucidated. The yield of the C. inscriptus shell chitin was 21.65% on dry weight basis. The ash and moisture content of the chitin was 1.2 and 6.50%. The result of the molecular analysis of the chitin revealed low molecular weight (25 kDa). The crystalline structure (XRD), functional...

Aquaculture industries would be benefit if the cultured organisms were conferring with proper growth, feed supplements and resistance to diseases. In intensive farming, there are various constrains, such as stresses and disease which results in weakened immune system have been observed. Diseases spread rapidly and threatening the aquaculture indust...

Aquaculture industries would be benefit if the cultured organisms were conferring with proper growth, feed supplements and resistance to diseases. In intensive farming, there are various constrains, such as stresses and disease which results in weakened immune system have been observed. Diseases spread rapidly and threatening the aquaculture indust...

A feeding experiment was conducted to evaluate the effects of bulk zinc (B-Zn) and zinc nanoparticles (Zn-NPs) on survival, growth, compositions of amino acid and fatty acid, and nonspecific immune responses of the freshwater prawn, Macrobrachium rosenbergii post larvae. The B-Zn (size 10 μm) and Zn-NPs (size 50 nm) were supplemented separately wit...

Citation: Karthik M, Bhavan SP, Seenivasan V, Asaikkutti A, Muralisankar T, Mahendran R (2018) Dietary Supplementation of Lactobacillus fermentum for Improving the Survival, Growth and Nutritional Profiles of the Prawn Macrobrachium rosenbergii, and 16S rDNA based Identification of its Establishment. ScholReps 3(1). ABSTRACT To understand the probi...

Background: Zooplankton biodiversity serving as an ecological indicator of aquatic environment due to their rapid response according to environmental changes. At the present study, impact of seasonal changes on zooplankton biodiversity was conducted in the Ukkadam Lake (Lat 10°59'N and Long 76°57'E), at Coimbatore City, Tamil Nadu, India. Results:...

This study was performed to assess the growth-promoting potential of dietary magnesium oxide nanoparticles (MgO NPs) in Macrobrachium rosenbergii post-larvae (PL). MgO NPs were supplemented at 0, 100, 200, 300, 400 and 500 mg kg−1 with the basal diet (containing 0.95 g Mg kg−1); the concentrations of Mg in MgO NP-supplemented diets were increased c...

Experiments were conducted to evaluate the influence of dietary supplement (@ 5%) dried leaf powder of the medicinal herbs, Ocimum sanctum, Solanum trilobatum and Phyllanthus amarus on survival, growth, activities of digestive enzymes, energy utilization, and vitamin contents of the freshwater prawn, Macrobrachium rosenbergii. Results indicated sig...

The aim of the current study was to assess the effects of dietary Ganoderma lucidum polysaccharides (GLPs) on the growth, digestive enzyme activities, muscle biochemical compositions, antioxidant, and metabolic enzyme status of the freshwater prawn, Macrobrachium rosenbergii. GLPs were isolated and supplemented with basal diets at 0, 1.0, 1.5, 2.0...

Recognized reviewer - Fish and Shellfish Immunology Achieved: July 2016

The aim of the current study was to assess the effects of dietary Ganoderma lucidum polysaccharides (GLPs) on the growth, digestive enzyme activities, muscle biochemical compositions, antioxidant, and metabolic enzyme status of the freshwater prawn, Macrobrachium rosenbergii. GLPs were isolated and supplemented with basal diets at 0, 1.0, 1.5, 2.0...

In this study, we assessed the suitable level of replacement of fishmeal with a blue green microalga, Arthrospira platensis in feed for the post larvae (PL) of the freshwater prawn, Macrobrachium rosenbergii by evaluating the growth performance, prawn proximate composition, feed utilization parameters and the activity of digestive enzymes. The praw...

This study was performed to assess the growth promoting potential of dietary Fe2O3 NPs in Macrobrachium rosenbergii PL. Fe2O3 NPs was supplemented at 0, 10, 20, 30, 40 and 50 mg kg-1 with the basal diet (containing 5.45 mg Iron kg-1). The concentration of Fe in Fe2O3 NPs supplemented diet was increased correspondingly. Fe2O3 NPs supplemented diets...

The optimization of commercially available probiotics, ViBact* (VIB), which contains a combination of Streptococcus faecalis, Clostridium butyricum, Bacillus mesentericus and Lactobacillus sporogenes, was done to see its beneficial effects on growth promotion of Macrobrachium rosenbergii post larvae (PL) when used as dietary supplement. VIB was inc...

Current study was made to assess the dietary zinc (Zn) on the growth, activity of digestive enzymes, muscle biochemical compositions, antioxidant and metabolic enzyme status of the freshwater prawn, Macrobrachium rosenbergii. Zn was supplemented at 0, 10, 20, 40, 60, and 80 mg kg−1 with the basal diet, and the concentrations of Zn in Zn supplemente...

Zooplankton is supporting the economically important fin-fish and shell-fish cultures. They are major mode of energy transfer between phytoplankton and fishes. The zooplankton biodiversity in Barur Lake, Krishnagiri District (Latitude, 12º18'50'' N and Longitude 78º17'59''E) Tamil Nadu, India was subjected to study the physico-chemical characterist...

Zooplankton is supporting the economically important fin-fish and shellfish cultures. They are major mode of energy transfer between phytoplankton and fishes. The zooplankton biodiversity in Barur Lake, Krishnagiri District (Latitude, 12º18'50'' N and Longitude 78º17'59''E) Tamil Nadu, India was subjected to study the physico-chemical characteristi...

The present study was conducted to assess the growth promoting ability of Chlorella vulgaris on Marobrachium rosenbergii postlarvae. The experimental diets were prepared by fishmeal replacement with C. vulgaris at different levels (25, 50, 75 and 100%). The prepared feeds were offered to the M. rosenbergii postlarvae during 90 days in triplicate. A...

ARTICLE INFO ABSTRACT In the present study, commercially available probiotics product, LactoBacil contains a combination of longum, Bifidobacterium bifidum concentrations flour, tapioca flour, egg albumin, Cod liver oil and vitamin B Macrobrachium rosenbergii nutritional indices activities of digestive enzymes (protease, amylase and lipase), concen...

INTRODUCTION Increasing demand and rising prices for seafood are raising the profile of some species of Macrobrachium as an important aquaculture commodity in the world. The farming of the giant freshwater prawn, Macrobrachium rosenbergii popularly known as 'scampi' is an emerging industry in the world aquaculture. M. rosenbergii holding top place...

In-vitro antibacterial activity of zinc and copper nanoparticles against the Gram-negative bacteria A. hydrophila ABSTRACT The present study was focused to investigate the in-vitro antibacterial activity of bulk and nano forms of zinc (Zn) and copper (Cu) against the Gram-negative pathogenic bacteria Aeromonas hydrophila. The in-vitro antibacterial...

A feeding trial was conducted for a period of 45-days on the freshwater prawn, Macrobrachium malcolmsonii early juveniles fed with seeds of medicinal plants, Syzygium cumini (jambolan), Phylanthus emblica (gooseberry), Azadirachta indica (neem) and Ricinus communis (caster) incorporated feeds. Actually, these medicinal seeds were individually incor...

A 45 days feeding trial was conducted on Macrobrachium malcolmsonii (2.28±0.08 cm and 0.11±0.04 g) fed with seeds of Papaver somniferum (poppy), Elettaria cardamomum (cardamom) and Foeniculum vulgare (fennel), and flower buds of Syzygium aromaticum (clove) incorporated (1%, 3% and 5% with basal diet) feeds. Feed without inclusion of any spice was s...

Zooplankton community is cosmopolitan in nature and they inhabit all freshwater habitats of the world. The zooplankton diversity is one of the most important ecological parameters in water quality and biodiversity assessment because they are strongly affected by environmental conditions and respond quickly to changes in water quality. Zooplankton i...

Zooplankton community is cosmopolitan in nature and they inhabit all freshwater habitats of the world. The zooplankton diversity is one of the most important ecological parameters in water quality and biodiversity assessment because they are strongly affected by environmental conditions and respond quickly to changes in water quality. Zooplankton i...

The present investigation was conducted to assess the suitability of three vegetable oils (sunflower oil, coconut oil and castor oil) as an alternative dietary lipid source for cod liver oil to culture Macrobrachium rosenbergii post larvae (PLs). The experimental feeds contained 40% protein with separately incorporated three vegetable oils and cod...

The medicinal herbs such as Alternanthera sessilis, Eclipta alba and Cissus quadrangularis were used to assess the growth promoting ability, enhancement of muscle biochemical constituents and profiles of amino acid in the freshwater prawn, Macrobrachium malcolmsonii. The herbal powders were separately incorporated with basal diet, and these diets w...

A study was conducted to examine the effects of three probiotics, Lactobacillus sporogenes, Bacillus subtilis and Saccharomyces cerevisiae on the survival, growth and digestive enzymes activities of the freshwater prawn Macrobrachium rosenbergii post larvae (PL). The probiotics, L. sporogenes (4 %), B. subtilis (3 %) and S. cerevisiae (4 %) were ta...

The present study was conducted to assess the influence of dietary zinc nanoparticles (size 50 nm) on the growth, biochemical constituents, enzymatic antioxidant levels and the nonspecific immune response of the freshwater prawn, Macrobrachium rosenbergii post larvae (PL). The concentrations of dietary supplement zinc nanoparticles (ZnNPs) were 0,...

A 90 days feeding trial was carried out to determine the effects of the combined probiotics Bacillus subtilis (BS) and yeast Saccharomyces cerevisiae (SC) on the survival, growth, biochemical changes and energy utilization performance of the freshwater prawn Macrobrachium rosenbergii post larvae (PL). The probiotics, BS (3) and SC (4) were taken an...

The present study was conducted to investigate the optimization of probiotic, Lactobacillus sporogenes on survival, growth, biochemical constituents and energy utilization of the freshwater prawn Macrobrachium rosenbergii post larvae (PL). Experimental diets were the same in all, except for the variation in probiotic levels. The probiotic L. sporog...

The fishmeal replaced with Spirulina platensis, Chlorella vulgaris and Azolla pinnata and the formulated diet fed to Macrobrachium rosenbergii postlarvae to assess the enhancement ability of non-enzymatic antioxidants (vitamin C and E), enzymatic antioxidants (superoxide dismutase (SOD) and catalase (CAT)) and lipid peroxidation (LPx) were analysed...

The growth promoting effects of fruits wastes, apple scrape, remains of grape after crushing, and peel as well as remains of orange after crushing, on the freshwater prawn, Macrobrachium rosenbergii post larvae (PL-30) was studied. Basal diet equated to 40% protein was prepared by using soybean meal (36%), groundnut oilcake (30%), cow gram (11%), w...

The growth promoting effects of fruits wastes, apple scrape, remains of grape after crushing, and peel as well as remains of orange after crushing, on the freshwater prawn, Macrobrachium rosenbergii post larvae (PL-30) was studied. Basal diet equated to 40% protein was prepared by using soybean meal (36%), groundnut oilcake (30%), cow gram (11%)...

The commercially important freshwater prawn, Macrobrachium rosenbergii post larvae (PL), 1.5±0.2 cm and 0.1±0.03 g were subjected to static renewal type acute toxicity bioassays against two orgnophophate insec-ticides, quinalphos (Ekalux EC 25) and dimethoate 30% EC (TAFGOR). The 96 hr LC 50 values were determined to be 0.774 µgl -1 for quinalphos...

Objective: To understand whether the medicinal herbs, Myristica fragrans (nutmeg) Glycyrrhiza glabra (liquorice) and Quercus infectoria (gallnut) have effects on growth promotion in the post larvae (PL) of the prawn, Macrobrachium rosenbergii. Methods: M. fragrans (seed powder), G. glabra (stem powder) and Q. infectoria (fruit powder) were incorpor...

A probiotic yeast, Saccharomyces cerevisiae was incorporated in basal diet prepared with fish meal, soybean meal, groundnut oil cake, corn flour, tapioca flour, egg albumin, cod liver oil and vitamin B-complex, at four different concentrations (10g, 20g, 30g and 40g kg -1) and fed to Macrobrachium rosenbergii post larvae (PL) for 90 days. The effec...

In this study, Piper longum (long pepper), Piper nigram (black pepper) and Zingiber officinale (dried zinger) were incorporated with artificial feeds formulated to understand their effects on survival, growth, activities of digestive enzymes and biochemical constituents in Macrobrachium rosenbergii post larvae (PL). These herbs were independent...

The present study was conducted to assess the suitability of chicken waste meal as an alternative protein source for fishmeal in sustainable nursery maintenance of Macrobrachium rosenbergii post larvae (PL). Three types of feeds with 40% optimum protein were formulated by using fishmeal (FM), chicken waste meal (CWM) and soya bean meal (SBM) indepe...

This experiment was carried out to evaluate the effects of the probiotic Bacillus subtilis on survival, growth, biochemical constituents and energy utilization in Macrobrachium rosenbergii PL. Experimental diets were the same in all, except for the variation in probiotic levels. The probiotic B. subtilis was used at 0% (diet 1), 1% (diet 2), 2.0% (...

The growth promoting potential of fruits wastes, mango seed kernel, banana peel and papaya peel on the freshwater prawn, Macrobrachium rosenbergii post larvae (PL) was evaluated. Basal diet equated to 35% protein was prepared by using soybean meal, groundnut oilcake, horse gram and wheat flour. Each fruit waste powder was separately incorporated wi...

The present study was conducted to assess the suitability of chicken waste meal as an alternative protein source for fishmeal in sustainable nursery maintenance of Macrobrachium rosenbergii post larvae (PL). Three types of feeds with 40% optimum protein were formulated by using fishmeal (FM), chicken waste meal (CWM) and soya bean meal (SBM) indepe...

The medicinal herbs such as Alternanthera sessilis, Eclipta alba and Cissus quadrangularis were used to assess the growth promoting ability, enhancement of muscle biochem-ical constituents and profiles of amino acid in the freshwa-ter prawn, Macrobrachium malcolmsonii. The herbal powders were separately incorporated with basal diet, and these diets...

A 60 day feeding trial was conducted to determine the growth performance of Macrobrachium rosenbergii post larvae (PL) on Allium sativum (Garlic), Zingiber officinale (Ginger), Curcuma longa (Turmeric) and Trigonella foenum-graecum (Fenugreek) incorporated diets. Survival rate (SR) ranged from 69.0-80.0% in experimental diets fed PL groups were rec...