It is the commonest cap in the plains of india, except in the south. There is a need to better understand the genetic mechanisms affecting resistance to this disease, and to develop tools. Seasonal and agerelated variations in the ovaries of labeo rohita hamilton, 1822. Bhilave division of fisheries science, department of zoology, shivaji university, kolhapur 416004, maharashtra,india.
Development of fish finger from rohu labeo rohita and its. Wanticha savedboworna, phanat kittiphattanabawon b, soottawat benjakulc. Antibiogram of pathogenic bacteria isolated and identified. Labeo is a large genus having several species which are of considerable importance as an article of food. Oxidative stability and quality characteristics of whey protein coated rohu labeo rohita fillets muhammad issa khan1,2, muhammad nawaz adrees1, muhammad sajid arshad3, faqir muhammad anjum3, cheorun jo2 and aysha sameen1 abstract background. Characteristics of dehalogenase from bacteria isolated from. Labeo rohita hamilton, 1822 species india biodiversity. Nihar ranjan chattopadhyay, in induced fish breeding, 2017. This graceful indogangetic riverine species is the natural inhabitant of the riverine system of northern and central india, and the rivers of pakistan, bangladesh and myanmar. Labeo rohita takes small percentages of mud which contains organic matter and various salts. Effect of whey protein concentrate on gel forming ability of. Probiotic assessment of bacillus infantis isolated from.
Based on the data for the year 2010, the amount of rohu produced in. As has been recorded, initially six interspecific and intergeneric hybrids have been developed through hybridization among the four species of indian major carp imc, namely labeo rohita rohu, labeo calbasu calbasu, labeo bata bata, and labeo gonius gonius in the following combinations. Monthly sample collection of labeo rohita was conducted for the study of morphometric characters. Cadmiuminduced alterations in biochemical constituents of labeo rohita and cyprinus. If the labeoninae are accepted as distinct, labeonini is the name of the tribe in this subfamily. To be submitted to journal of aquatic food product technology. Development of freshwater fish farming and poverty alleviation a case study from bangladesh pdf.
The rohu, rui, or roho labeo labeo rohita is a species of fish of the carp family, found in rivers. Dipping method was used to apply coating on fishfillets. Characterization of bacilli isolated from the gut of rohu. Effect of whey protein concentrate on gel forming ability. Acute toxicity of detergent to indian major carps catla catla and labeo rohita jawahar ali a. Labeo is bottom feeder and prefers to feed on plant matter including decaying vegetation. Synopsis of biological data on rohu, labeo rohita hamilton, 1822. Among cyprinids, three species of imc, catla catla catla hamilton, rohu labeo rohita hamilton, and mrigal cirrhinus mrigala hamilton deserve higher economic importance due to customer preference.
Acute toxicity of detergent to indian major carps catla. Based on the characteristics features, the detergents are broadly classified into two types. The prepared sausages showed appealing appearance with characteristic resilient. Pdf present study was carried out in harike wetland. Chowdhury department of food technology and biochemical engineering, jadavpur university, calcutta, 700032, india the lean fish labeo ritwas subjected to liquid nitrogen vapor in a batch freezer to determine its freezing characteristics.
Labeo rohita hamilton, 1822 accepted name rohu animalia chordata actinopterygii cypriniformes cyprinidae labeo labeo rohita hamilton, 1822. Characteristics of collagen from rohu labeo rohita skin article in journal of aquatic food product technology 263. Effects of moringa oleifera leaf meal molm based diets on. Information regarding molecular characteristics of leptin protein in different animal species including fish is scarce. The initial and average freezing points were found to be. Pdf microbiological, biochemical, sensory and quality. Nov 15, 2012 in this study, we aimed to evaluate the in vitro probiotic characteristics of three bacteria, lactobacillus plantarum vsg3, pseudomonas aeruginosa vsg2, and bacillus subtilis vsg1, isolated from the gut of labeo rohita. Rohu is very commonly eaten in bangladesh, nepal, pakistan and the indian states of tripura, nagaland, bihar, odisha, assam, west bengal, andhra pradesh and uttar pradesh. Changes in biochemical parameters of freshwater fish labeo rohita exposed to lethal and sublethal concentrations of indoxacarb. Systematic position, distribution and structure bony fish. Pdf on jan 1, 2014, ranjit bordoloi and others published microbiological, biochemical, sensory and quality characteristics of rohu labeo rohita marketed at battala fish market agartala. The present survey work has described 10 species of labeo sp. The rohu, rui, or roho labeo labeo rohita is a species of fish of the carp family, found in rivers in south asia.
Lengthweight relationships of the indian major carp, labeo rohita. Interleukin10, an important regulator of both the innate and adaptive immune systems, is a multifunctional major cytokine. Feeding ecology of the freshwater fish rohu labeo rohita. Morphometric analysis of fish, labeo rohita hamilton. Rohu labeo rohita is the most important among the three indian major carp species used in carp polyculture systems. They are found in freshwater habitats in the tropics and subtropics of africa and asia it contains the typical labeos in the subfamily labeoninae, which may not be a valid group, however, and is often included in the cyprininae as tribe labeonini. Morphological characteristics of normal and abnormal specimens of labeo rohita ham buch. Labeo rohita is found in tropical and temperate regions. Shelf life of antibiotic treated rohu fish, labeo rohita agecon search. There is a need to better understand the genetic mechanisms affecting resistance to this disease, and to develop tools that can. Index termsrohu labeo rohita, gelforming ability, modori gel, kamaboko gel, whey protein concentrate. Several methods have been developed and proposed by.
Interspecific and intergeneric hybrids among carps and also with common carp cyprinus carpio var. Pdf preparation of surimi from labeo rohita and its. Morphometric analysis of fish, labeo rohita hamilton veerpal kaur, yakur ana, and bhupinderjit kaur heer abstract morphometric characters of a fish, labeo rohita hamiltonbuchanan have been studied from pond, near kalayat, kaithal, haryana india. View enhanced pdf access article on wiley online library html view download pdf for offline viewing. Spawns in middle reaches of rivers, where flood water spreads in more or less limpid shallows over fertile flats, well above tidal reaches. Labeo rohita and to identify antibiotics for the specific pathogenic bacteria which were isolated from infected fish labeo rohita. The lean fish labeo rohita was subjected to liquid nitrogen vapor in a batch freezer to determine its freezing characteristics. Morphological and skeletal deformities in labeo rohita. Its food comprises crustaceous and insect larvae in early stages mookerjee et al. Pdf gastrointestinal bacteria in rohu, labeo rohita. The most common is labeo rohita rohu and labeo calbasu kala bans which inhabit throughout india, bangladesh and pakistan. File information characteristics of collagen from rohu labeo rohita skin. Structural and functional characterization of recombinant.
Materials and methods infected fishes labeo rohita were collected from tamil nadu fisheries development corporation, aliyar, pollachi, coimbatore district, tamil nadu, india. The fish brought were washed with chilled water and dressed to remove head and viscera. Effects of moringa oleifera leaf meal molm based diets. The compatibility of rohu with other carps like catla catla catla and mrigal cirrhinus mrigala made it an ideal candidate for carp polyculture systems. Data on mortality % were analyzed using grafpad software based on finneys probit statistical method. A linkage map of transcribed single nucleotide polymorphisms. David 1deparment of post graduate studies and research in zoology, karnatak university, dharwad580 001, karnataka, india. Characteristics of dehalogenase from bacteria isolated from the gut of pondreared rohu labeo rohita juveniles in myanmar. Characteristics of collagen from rohu labeo rohita skin huscap. Though it is one of the major cytokines, il10 from the indian major carp, labeo rohita, has not yet been characterized. The moisture content of the fish muscle tissue was about 75%. The bacterial isolates tolerated low ph and high bile concentrations in the fish well. Feeding preferences of rohu labeo rohita ham were studied in two environments an open area without substrate. In this study, we aimed to evaluate the in vitro probiotic characteristics of three bacteria, lactobacillus plantarum vsg3, pseudomonas aeruginosa vsg2, and bacillus subtilis vsg1, isolated from the gut of labeo rohita.
Introduction rohu labeo rohita is a freshwater fish species that is widelyused in aquaculture in thailand. Immunobiochemical characteristics of purified native leptin. Synopsis of biological data on rohu, labeo rohita hamilton, 1822, 106 pp. Sathick 1 1pg and research department of zoology, khadir mohideen college, adirampattinam 614 701, tamilnadu, india 2rajah serfoji government arts college, thanjavur6 005, tamilnadu, india. Coating solutions were prepared by incorporating whey 8 % protein. Edible coatings have beneficial effect on quality of fish and act as barrier against moisture transfer. Morphometric characteristics of labeo rohita during the study period. Fish gut bacteria may be used as probiotics for fish. Oxidative stability and quality characteristics of whey. Chitrarasu unit of aquaculture and aquatic toxicology, p. Acute toxicity of detergent to indian major carps catla catla. Preparation of surimi from labeo rohita and its storage characteristics at 20 0c. Other features like length, weight, number of vertebrae in vertebral column, region of skeletal deformity and deformity type in aberrant specimen of labeo rohita ham buch. Immunobiochemical characteristics of purified native.
Catla catla catla, mrigala cirrhinus mrigala and rohu labeo rohita. Commonly known as rohu is the most popular fish of india consumed all over the country. Cryobiology 24, 5864 1987 freezing characteristics of fresh water fish labeo rit by liquid nitrogen vapor suvendu bhattacharya,1 sila bhattacharya,2 and d. Labeo rohita rohu class osteicthyes comprises true, bonyt fishes both. Migrations should be cyclical and predictable and cover.
Several methods have been developed and proposed by many researchers over the years for preparation of. Characteristics of collagen from rohu labeo rohita skin 2 running head. With the aim of characterizing the native leptin protein of indian major carp rohu labeo rohita, at molecular level, the present study was designed to isolate rohu leptin from. Extraction and characterization of chitin and chitosan from. In this work, sausage was prepared from minced rohu labeo rohita fillets using a standard recipe with and without addition of the preservative, potassium sorbate, in permitted levels and packed in natural casings. The bacterial adhesion capacity to fish intestinal mucosa revealed that the three. Roughly two dozen species of labeo are found in india.
The present study was designed to elucidate the effects of whey based protein using two plasticizers i. Labeo, any of numerous species of african and asian river fishes belonging to the genus labeo in the carp family, cyprinidae. Jun 23, 2015 the present study was designed to elucidate the effects of whey based protein using two plasticizers i. The seasonal changes of the testis in labeo rohita have been described according to its. Freezing characteristics of fresh water fish labeo rohita. Influence of various acids acetic acid, phosphoric acid, and propionic acid at different concentrations 0. The fish rohu labeo rohita with the mean length of 36. A recipe for fried rohu fish is mentioned in manasollasa, a 12thcentury sanskrit encyclopedia compiled by someshvara iii, who ruled from presentday karnataka.
Pdf preparation of surimi from labeo rohita and its storage. Impact of cypermethrin on behavioural responses in the freshwater teleost, labeo rohita hamilton 1s. Department of zoology, government arts college autonomous, salem636 007, tamil nadu, india 2p. Starting from 0 day, 4 to 5 fish were randomly sampled and their raw sensory attributes were evaluated. According to casal 2006, 795,128 metric tons of labeo rohita were produced in aquaculture in 2000.
Pdf characteristics of dehalogenase from bacteria isolated. Jun 30, 2014 production of carp dominates world aquaculture. Aeromonas hydrophila is a bacterial pathogen causing aeromoniasis in rohu, and is a major problem for carp production worldwide. Labeo is a genus of carps in the family cyprinidae. Labeo rohita, commonly called the rohu fish, is one of the typical freshwater bony fishes of india. Morphological description and taxonomic account of labeo.
They are bottom feeders and eat algae and small animals. Seven bacterial strains were recovered from labeo rohita gut region of healthy fish showed kadr2 strain possessing inhibitory effect against target fish pathogen table 1. Sausage is a commonly used food and it is gaining wide popularity in the recent years. Effect of various acids on physicochemical and functional. Therefore, the present research was focused to determine the ability of moringa oleifera leaf meal to provide as source of protein in formulated diets for labeo rohita and also to assess its effects on carcass composition and hematological parameters of labeo rohita fingerlings. It is a large omnivore and extensively used in aquaculture. Annual cyclical changes in the testicular activity of an. Synopsis of biological data on rohu labeo rohita hamilton. Extraction and characterization of chitin and chitosan.
Feeding ecology of the freshwater fish rohu labeo rohita hamilton 1822. Jhingran vg, pullin rs 1985 a hatchery manual for the common, chinese. In the present study, we report large scale production and purification of biologically active recombinant il10 of l. Labeos have a thicklipped, sucking mouth on the underside of the head and two to four small mouth barbels. Probiotics are commonly used as alternative medicine for chemical antibiotics and supplemented along with feed in many livestock production sectors. The fingerlings of catla and rohu were exposed to five different concentrations 10, 12, 14, 16 and 18ppm of surf excel for 24, 48, 72 and 96hrs. Those occurring in the gastrointestinal gi tract of rohu, labeo rohita hamilton, 1822, have not been sufficiently studied. Pure cultures of the bacteria were grown on tryptone soya agar tsa plates and were identified as bacillus circulans, b.
Pdf study on biometrics and biology of rohu, labeo rohita from. Jun 01, 2017 influence of various acids acetic acid, phosphoric acid, and propionic acid at different concentrations 0. The fish exhibited a greater diet breadth in the closed. Impact of cypermethrin on behavioural responses in the. Characteristics of dehalogenase from bacteria isolated. Characteristics of collagen from rohu labeo rohita skin. The organoleptic characteristics were judged by a trained.
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