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  • 1
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    Ecological study on rearing shrimp ponds (Litopenaeus vannemei) in Choebdeh Abadan (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Following to introduce Vannamei shrimp (Litopenaeus vannamei) into Iran aquaculture industries by fisheries organization its postlarvae were successfully reared in ponds in Bushehr and Choebdeh in Khuzestan. Due to activity of Shrimp site and importance of input and output water quality, this study was done in 11 stations including: two stations in Bahmanshir river, two station in C4 and C5 irrigation canals, six staions in active farms along C4 cannel (Yonesi, Mosavei and Salman Zadeh), and C5 cannel (Mohamadi, Khairi and Ashraf Por) and one staion in output draing were selected. Sampling were carried out from May2009 befor beginning stocking to harvest time in October 2009. Physico- chemical parameters and plankton sampled biweekly and benthic animals and heavy metals were sampled monthly. Some parameters such as pH and temperature by using portable multy parameters and others. Analyzed with standard methods. Heavy metals were measured by plarography method (797 Vamtro). Plankton and benthos samples were studied only in Bahmanshir station. According to results the maximum values for DO (11.1 ppm) PO4 (1.86 ppm) NO3 (8.4 ppm) and TSS (4992 ppm), pH (8.4) NO2 (0.18 ppm) BOD5 (9.06 ppm) were measured. In comparison to aquaculture water quality standards except for TSS in river stations others are located in allowable range. We didn’t observed any main changes in water quality from river to output drainage. The results of biotic parameters in river stations showed that diatoms were the most group of phytoplanktons. Zooplankton groups were Copepods, Rotifera and Protozoa. Tintinids and Nematoda larvae were the most abundant zooplankton. Benthic animals were included nine crustacean species and two annelid species. Isopods with 52% were the most and ant group.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Ecological ; Physico-chemical ; Vannamei shrimp ; Litopenaeus vannamei ; Water quality ; Abadan aquaculture site ; Rearing ; Shrimp ; Ponds ; Sampling ; Plankton ; Heavy metals ; pH ; Temperature ; Benthos ; Phytoplankton ; Zooplankton ; Copepods ; Nematoda larvae
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 80pp.
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  • 2
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    Survey of Epidemiological of parasitic and bacterial infection in cultured fishes of Khouzestan province (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: In this study which was carried out in khouzestan province , 1914 Pieces (1160 Pieces silver carp, Hypophthalmychthys molitrix; 498 Pieces common carp , cyprinus carpio; 172 Pieces Grass carp, ctenophryngodon idella and 84 Pieces Big head, Arysthychthys nobilis) from different parts of the province were examined. In three year period, 1378 to 1381, fish samples from four stations were transferred a live to the lab . Water samples also were taken and tested for some of the physicochemical factors. From a total of 1914 fish examined, 1190 showed Parasitic infestation and bacterial infections (62.2%). Infestation study, infestation with these parasites have been found: Ichthophthirius, cryptobia, Trichodina, Costia, Hexamita, Dactylogyrus, Gyrodactylus, Lernea, Bothrio cephalus, Diplostomum and Capillaria. Also some species of Aeromonas, staphylococcus, Moraxella, Pectobacterium, Flavobacterium, Citrobacteria, pasteurella, Psedomonas and Alcaligenese were identified in the samples, which normally occur in Water , but in some conditions( High pH,temperature and ammonia) could cause disease and lesions specially in gills. Infestation with dactylogyrus and Gyrodactylus was found in all four kind of fishes with different infestation rate. But the highest infestation rate with dactylogyrus was in silver carp (55.2%) and lowest in common carp (14.6%). The highest infestation rate with gyrodactylus was in grass carp (42.4%) and lowest in common carp (10.6%). Ich, Bothrio cephalus and capillalia were found only in common carp and grass carp. Infestation with adult lernea and copepodid stage of lernea had greater percentage in the gills and derm of grass carp. The data showed infestation with this parasites (specially protozoans and lernea) and bacterial infection had occurred in all seasons specially in C area.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Epidemiological ; Silver carp ; Hypophthalmychthys molitrix ; Common carp ; Cyprinus carpio ; Grass carp ; Ctenophryngodon idella ; Big head crap ; Arysthychthys nobilis ; Ichthophthirius ; Cryptobia ; Trichodina ; Costia ; Hexamita ; Dactylogyrus ; Gyrodactylus ; Lernea ; Bothrio cephalus ; Diplostomum ; Capillaria ; Survey ; Infection
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 47pp.
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  • 3
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    Survey on health and disease status of ornamental fishes in Golestan, Mazanderan and Khorasan Razavi provinces (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: The project of survey on health status of ornamental fishes in Mazenderan , Golestan and Khorasan Razavi carried out with association of 5 , 2 and 6 centers in orderly. The main aims of this survey were identification and distribution local infectious of epizootic diseases , identification positive and negative points, offers management applicable guidelines to prevents of diseases.The results of survey showed that important virologically agent identified was Lymphocystis virus in Angel fish. Also, main bacteriologically agents were Aeromonas spp, Pseudomonas spp and vibrio. As well as, from the fungal agents that were identified can mentioned to Aspergilus flavus , Mucor , Penicilium and Alternaria. The important parasitic agents also were Trichodina , Ichthyophytrius , tetrahymena , Dactylogyrus, Gyrodactylus and capillaria. In the health management part of this survey positive points include non application of antibiotic and cooperative of hatchery directors with executive organizations to sampling examination periodically. The negative points were non familiarity and training about fish disease, werenot technical director, prepairing feeds without familiarity with principals of diets, non quarantine units before fishes entrance to production cycles, non existens good food storage rooms, non existens foot bath in entrance gate to the hatchery systems and ets.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Ornamental fish ; Disease ; Health management ; Survey ; Aeromonas spp ; Pseudomonas spp. ; Vibrio ; Aspergilus flavus ; Mucor ; Penicilium ; Alternaria ; Trichodina ; Ichthyophytrius ; Tetrahymena ; Dactylogyrus ; Hatchery
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 99pp.
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  • 4
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    Survey of parasitic fauna of cultured shrimp in Ghofas area of Abadan (2018)
    Details
    Publication Date: 2021-05-19
    Description: This survey was performed in order to investigation of parasites in different tissues of cultured shrimp and survey of intensity and incidence of these parasites in different tissues of shrimp. In this survey 145 shrimp belonged to Penaeus monodon and 97 shrimp belonged to P. indicus were reviewed. Epicommensal protozoa from gills and appendages by wet smear, stomach and hepatopancreas and intestine by stereomicroscope, crashed muscle and digested muscle and also, crashing of intestine for digestive protozoa were reviewed. The most intensity and incidence were belonged to Epistylis, Zoothamnium and Vorticella, respectively. In relation to metazoan parasites, there were no observation of worm parasites, such as trematodes, nematodes, cestodes and digestive protozoa such as gregarine among the cultured shrimp. All shrimp are susceptible to fouling by epicommensal protozoa. These organisms are naturally present on the bodies of cultured shrimp and their intensity and incidence can be related to the environmental condition. According to life cycle of metazoa and digestive protozoa (Johnson, 1989), absence of these parasites among cultured shrimp can be due to lack of intermediate hosts and consequently lack of completion of life cycle of these parasites in the cultured environments and consumption of prepared (inert) food.
    Description: Published
    Keywords: Survey ; Parasitic funa ; Shrimp ; Penaeus indicus ; Parasites ; Tissue ; Epicommensal protozoa ; Gills ; Hepatopancreas ; Stereomicroscope ; Epistylis ; Zoothamnium ; Vorticella protozoa ; Metazoa ; Penaeus monodon
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.199-210
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  • 5
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    Isolation and identification of bacterial and fungal microflora from Litopenaeus vannamei in Choibdeh, Abadan (2018)
    Details
    Publication Date: 2021-05-19
    Description: Bacterial and fungal microflora of Litopenaeus vannamei cultured in Choibdeh, Abadan was studied. For this purpose, PLs before and after stocking and those shrimps persisting on food tray from June to August, 2006 were taken randomly. Live samples transferred to microbiology laboratory of South Aquaculture Research Center, Ahwaz. Special culture media (e.g. Tryptic Soy Agar + 1.5-2% Nacl and Sabouraud Dextrose Agar + 1.5-2% Nacl) were used for bacterial and fungal culture. We isolated 10 bacterial species of which Vibrio alginolyticus (36.92%) had high abundance among bacterial species. We also isolated and identified three fungal species including Aspergillus niger (66.66%) A. fumigates (16.66%) and Fusarium sp. (16.66%). A. niger was predominant among fungal species. All bacterial and fungal species that were identified were opportunistic.
    Description: Published
    Keywords: Shrimp culture ; Litopenaeus vannamei ; Microorganisms ; Freshwater
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.161-168
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  • 6
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    An assessment the effect of Fructo-oligosaccharide on growth performance, survival and hematological factors in sturgeon juvenile (Acipenser sttellatus) (2017)
    Details
    Publication Date: 2021-05-19
    Description: The purpose of this study was to evaluate the effect of Fructo-oligosaccharide (FOS) on growth and survival performances of sturgeon juvenile fish (Acipenser stellatus). 90 sturgeon fry fishes (average weight 30.16±0/14 gram) has been brought from Sturgeon International, Research Institute and stored in fiberglass tanks using randomize design with 3 treatments each with 3 replicates in relative constant physico-chemical water parameters(P〉0.05) then fed with basal adaptive food for two weeks. Fry fed 11 weeks with diets containing 0% (Basal food), 1% and 2% oligofructose (Raftilose p95, Sigma Co.) added to the basal food. The results revealed that 1% pribiotic compare to other treatments caused increasing weight gain, specific growth rate, feed conversion, feed efficiency, protein efficiency ratio and liver indices significantly (p〈0.05) but there is no any significant difference between treatment's survival rates (p〉 0.05). At the end of experiment, after bleeding from sample fries, the hematological characters showed that there are no any differences between hemoglobin, WBC and RBC numbers, hematocrit, MCV, MCH and MCHC between treatments(P〉0.05) although the number of WBC in 1% and numbers of neutrophils in 1 and 2% prebiotic had differences with zero% significantly (P〈0.05). Based on these results good influence on the improving growth and feeding performances by oligofroctose as prebiotic was proved in Acipenser stellatus fries and 1% level was the best.
    Description: Published
    Keywords: Prebiotics ; Oligofructose ; Acipenser sttellatus ; Hematological ; Factors ; Survival rate ; Juvenile ; Growth ; Performance ; Sturgeon
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.97-108
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  • 7
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    Survey on Parasitic infections of Barbus spp. From south-west of Iran (Khouzestan province) (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: A surevey on Parasitic infections on Barboid fishes of South- west of Iran (Khouzestan province) were done during Spring 2002 to Atumn 2004. Altogether 296 specimens from 5 different fish species were examined. The fishes were collected from five stations of Karoun River (Ahwaz-Goulestan, Molasani, Dez Dam), Karkheh River (Hamidia Dam) and Shadgan Lagoon. The fishes transported alive to the laboratory where they meaursed and weighted. Then they were killed by cutting the spinal cord. According to the results of this study 22 different parasites were revealed, 15 of then detected to the species level and 7 of them to the genus level. The metazoans are as follows: The monogenea, are Dactylogyrus onchoratus, D. persicus. Two digeneans :Diplostomum spathaceum , Asymphilodora sp. Five nematods: Rhabdochona denudata, Philometra karuensis, Philometra sp., Psudocapilaria tomentosa Contracecum larvae sp. and only one acanthocephalus, Neoechinorhynchus. Three protozoans are: Ichtyophthirius multifiliis, Trichodina sp., Goussia sp., Balantidium sp. And Myxozoans: Myxobolus persicus M. karuni M. nodulointestinalis, M iranicus, M.mesopotamia, M. pfief eri, Myxobolus sp., Myxidium rhodei, Myxidium pfiefferi. Histopathological investigation of some parasites was done as well. Pathologacal potential of M. nodulointestinalis and M. pfiefferi were revealed. According the results of this study three new parasites and eleven new hosts for Iranian freshwater fishes and three new host for three Myzoxoans were introduced.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Barbus fishes ; Parasites ; Protozoa ; Metazoa ; Dactylogyrus onchoratus ; Rhabdochona denudata ; Philometra karuensis ; Species ; Fish
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 66pp.
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  • 8
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    Using Bio-Chemistry Genetics Markers to Distinguish Barbus in Khozestan (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: 0Genetic polymorphism by means of biochemical genetic markers using polyacrylamide gel electrophoresis system in four barbus fish species has been investigated. Species scientific name were Barbus sharpeyi ; Gunther, 1847 , Barbus grypus ; Heckel, 1843, Barbus xanthopterus ; Heckel, 1843 and Barbus esocinus ; Heckel, 1843.Sampling site and location were mainly in the rivers located in Khoozestan province such as Karoon and Karkheh rivers and the Dez dam. Different organs such as blood, muscle, kidney, eye and heart were sampled and analysed for the presence of tf, es, sod and pgm alleles. High polymorphism and presence of different alleles scored, but populations were not in the H-W equilibrium. Considring results, using current and avaiable genetic markers such as microsattelits is recommended for future works.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Chemistry ; Genetics ; Genetics Markers ; Distinguish ; Barbus ; Species ; Barbus sharpeyi ; Barbus xanthopterus ; Barbus esocinus
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 62pp.
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  • 9
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    Survey on gregarine infection of marine broodstocks and cultured shrimp in the Choebdeh Area of Abadan, Iran (2018)
    Details
    Publication Date: 2021-05-19
    Description: Gregarines are protozoa that occur within the digestive tract and tissues of various invertebrate animals such as shrimp. In this survey 15 marine broodstocks of Penaeus indicus from Jask area and 119 cultured shrimps from cultured farms were supplied and carried to laboratory. According to life cycle of gregarine, (Johnson, 1989) it is assumed that presence of protozoan gregarine among broodstock shrimps can be due to consumption of natural food and existance of intermediate hosts and as a result to be completion of life cycle of these protozoan in natural conditions. On the other hand absence of these parasites among cultured shrimp can be due to consumption of prepared (inert) food and lack of completion of alternate hosts and intermediate hosts and consequently lack of completion of life cycle of these parasites in the cultured condition.
    Description: Published
    Keywords: Gregarine ; Penaeus indicus ; Protozoan ; Shrimp ; Tissue ; Broodstock ; Parasites ; Culture
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.221-226
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  • 10
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    Survey of fungal flora infecting P. indicus in larvae stages in hatcheries of Khouzestan Province, south Iran (2018)
    Details
    Publication Date: 2021-05-19
    Description: Shrimp hatcheries around the world continue to be heavily dependent of wild broodstock. One of the factors that could damage this industry is fungal infestation. Hence, we studied the fungal flora infesting shrimp larvae in hatcheries of Khouzestan Province, south Iran. The study covered two reproduction periods 2001=2002 and totally 140 specimens were collected from 2 hatcheries under Thailand and Philippine management systems. Samples were obtained in completely sterile condition from water, live food and different stages of shrimp larvae P. indices. The samples were cultured on SDA, PYGA, PYGSA and similar media. We diagnosed ten fungal species including Cladosporium sp, Pencillium, Trichothesium sp., Aspergilus sp. A. niger, Rhizopus, Mucor and Fusarium, the last being the most abundant fungus. We found that the contaminating fungal species were all opportunistic.
    Description: Published
    Keywords: Fungi ; P. indicus ; Cladosporium sp. ; Pencillium ; Trichothesium sp. ; Aspergilus sp. ; A. niger ; Rhizopus ; Fusarium ; Hatchery
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.37-44
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