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  • 1
    Publication Date: 2021-05-19
    Description: The development of the commercial culture of penaeid shrimps has been accompanied by the occurrence of infectious and noninfectious diseases. The most important penaeid diseases are caused by organisms that are part of the normal microflora of penaeids. In 1998, the samples were collected from five farms in Ghofase area (Ahadan) 2-5 ponds in each farm. The shrimps of these ponds were preserved in full hygienic conditions, from each pond, at least 5 samples were collected and then transferred to the Aquatic Diseases Laboratory of Khouzestan Fisheries Research Center. The main tissues of Gill, Hemolymph, Hepatopancreas and cuticle of live-shrimps were studied in the laboratory. In this research, a total of 40 fungal species were isolated from different tissues with high abundance in Hepatopancrease (19 species) and Hemolymph (12 species). Aspergillus niger was identified as the most abundant species.
    Description: Published
    Keywords: Commercial ; Mycoflora ; White shrimp ; Penaeus indicus ; Culture ; Penaeidae ; Organisms ; Hygienic ; Aquatic ; Diseases ; Tissue ; Gill ; Hemolymph ; Hepatopancreas ; Cuticle ; Fungal ; Species ; Aspergillus niger
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.1-10
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  • 2
    Publication Date: 2021-05-19
    Description: With the advent of the science of fisheries and aquaculture in the country, and the importance of reproduction and breeding of various species of aquatic animals (freshwater and salty water), attention has been paid to pathogenic factors in the process of aquaculture, one of these factors is pathogenic microorganisms and Nonpathogenic (bacterial, fungal, and viral) that can increase the environmental risk for aquatic organisms and, in some cases, human beings, and, with accurate knowledge of the disease, steps can be taken to prevent and treat withdrawal, as well as research and More studying on various pathogens in either natural or experimental conditions. Although many studies have been carried out over the years about aquatic microorganisms and aquatic environments, there is no complete information on genetic studies of microorganisms in the country, and if such research is feasible and not required, if Gathering information about these creatures and identifying their genetic reserves can provide the basis for research in various fields. What microorganisms are identified and maintained under standard conditions is a question that has remained unresolved so far and this study has tried to introduce a complete list of microorganisms, including bacteriafunges and viruses that have been isolated so far from aquatic and aqueous humor. And the aquatic microorganisms that have been identified in the microorganism bank are also included, and all the documentation shows that there is a huge potential for the identification and maintenance of these microorganisms. In this study, isolated and identified bacteria from northern waters, internal waters, and south of Iran were 73.39 40 genera and species, respectively. Viruses identified in northern waters, inland waters, and south of Iran were 4 species in aquatic and northern waters of Iran, 6 species in Iranian aquatic and inland waters and 7 species in aquatic and southern waters of Iran. Identification fungi have been reported in the waters of northern, inland and southern waters, respectively, 20,25 of the 12 genera and species. In the bank of the National Center for Genetic and Biotechnological Resources of Iran, there are some species that overlap with bacteria isolated from Iran's water resources. There are 20 species of bacteria, and this is not seen for fungi and viruses.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Database ; Aquatic ; Microorganisms ; Aquaculture
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 48pp.
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