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  • 1
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    Unknown
    Photon-activated electron hopping in a single-electron trap enhanced by Josephson radiation (2016)
    American Institute of Physics
    Details
    Publication Date: 2016-04-25
    Print ISSN: 0003-6951
    Electronic ISSN: 1077-3118
    Topics: Physics
    Published by American Institute of Physics
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    PAPER CURRENT
  • 2
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    Gonads tissue changes of Chalcalburnus mossulensis (Heckel, 1843) infected by Ligula intestinalis (cestoda) (2018)
    Details
    Publication Date: 2021-05-19
    Description: Chalcalburnus mossulensis from the cyprinidae family is one of the indigenous fish in Gheshlagh Lake of Kordestan, Iran. Ligula intestinalis is one of the infective parasites among various species of fish and causes gonads atrophy. In this study, after detection of species and age of samples, the effects of this parasite on gonads tissues and sexual maturation of Chalcalburnus mossulensis were investigated. By seasonal sampling 144 samples were collected. After investigatiing gonad tissue samples, it was clear that, there is a significant difference between the means of male and female gonads maturation rate in infected and non infected samples (p〈 0.05). Infection by Ligula intestinalis can be the reason for lack of gonads maturation. In addition, the abnormal degenerative changes like, absorption follicle, hemorrhage and infiltration of inflammation cells in ovary tissues of infected fish were seen. In testicle tissue, dispersed hemorrhage, atrophy and MMC (melano-macrophage center) were seen as pathological signs. So the spread of this parasite in different water sources is important as the point the maintenance of native species and cultivated fish.
    Description: Published
    Keywords: Chalcalburnus mossulensis ; Ligula intestinalis ; Gonads ; Histopathology ; Gonads ; Tissues
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.85-94
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  • 3
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    Short communication: Monogenean species from freshwater fishes of Zanjan province, Iran (2018)
    Details
    Publication Date: 2021-05-19
    Description: This article has no abstract.
    Description: Published
    Keywords: Fish ; Parasite ; Monogenean
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.103-112
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  • 4
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    Detection and identification of white spot syndrome virus (WSSV) and infectious hypodermal and hematopoietic necrosis virus (IHHNV) of Litopenaus vannamei from Bushehr and Sistan and Baloochestan provinces (Iran), during 2009-2010 (2018)
    Details
    Publication Date: 2021-05-19
    Description: The first time the white spot disease (WSD) and IHHNV were reported in Iran was in 2004 and 2008, respectively in Bushehr Province. In Sistan and Balochestan province only the WSD was reported in 2008.The aim of this study was detecting these two viral diseases in these provinces, during December 2009 to April 2010. A total of 364 samples were collected according to suspected gross signs from hatcheries and shrimp farms in Bushehr and Sistan and Blochestan provinces (I.R. Iran) respectively, including larvae (72, 43 samples), post larvae (48, 37 samples), juveniles (57, 32 samples), sub adults (39, 22 samples) and broodstock (29, 13 samples) of Litopenaus vannamei . WSD was detected from juveniles (23 samples), sub adults (14 samples), and broodstock (14 samples), and IHHNV was also detected from juveniles (16 samples), sub adults (9 samples) and broodstock (5 samples) based on gross signs, PCR and histopathological changes from Bushehr province but from Sistan and Blochestan province only WSD was detected from juveniles (26 samples), sub adults (18 samples) and broodstock (7 samples). Histopathological observations of WSSV showed basophilic Cowdry type A inclusion bodies in all tissues such as gills, haematopoietic tissue, cuticle epithelium, lymphoid organ and connective tissue. However histologically, the hepatopancreas tissue showed vacuolization of B cells , without inclusion bodies, but histopatholgical changes caused IHHNV including eosinophilic Cowdry type A inclusion bodies which were ectodermal, mesodermal and rarely endodermal.
    Description: Published
    Keywords: Broodstock ; Litopenaus vannamei ; WSSV ; IHHNV ; L.vannamei ; Juvenile ; Adults ; Histopathological ; Haematopoietic ; Tissues ; Larvae
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.708-726
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  • 5
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    Survey on fungal, parasites and epibionts infestation on the Astacus leptodactylus (Eschscholtz, 1823), in Aras Reservoir West Azarbaijan, Iran (2018)
    Details
    Publication Date: 2021-05-19
    Description: A total of 394 (255 males,139 females) live freshwater crayfish Astacus leptodactylus from four stations of Aras reservoir in West Azarbaijan Province (North-Western Iran) were studied during the winter until early autumn of 2009 for the presence of parasites, Epibionts and Fungal agents. Parasitological surveys were carried out on gills exoskeleton and internal organs, mycological examinations on the exoskeleton (the legs, abdominal cuticle and the eggs). 9 epibionts and parasites peritrich protozoans including :Cothurnia sieboldii (68.5%), Zoothamnium spp. (56.6%), Vorticella similis (45.6%), Chilodonella spp. (0.5%), Podophrya fixa (7.8%), Epistylis chrysemidis (53.2%), Pyxicola annulata (66%), Opercularia articulata (19.8%), Tetrahymena pyriformis (0.5%) were recorded. From Metazoan parasites group, Branchiobdella kozarovi (71%) as the first observation was the only parasite recorded from exoskeleton with prevalence (100%) during spring and summer of the study year. Infected gills were heavily damaged with Aeolosoma hemprichi (Annelid) in winter with 90% prevalence. Other Epibiont fouling organisms such as Rotatoria free living Nematods were observed in this survey. Furthermore, on the mycotic agents identified Penicillium expansum Aspergillus flavus Alternaria sp. Fusarium sp. and Saprolegnia sp. were isolated in IM media and identified with slides cultured from cuticular melanized lesions and eggs of infected specimens. This is the first investigation on epibionts, parasites and fungal organisms of the endemic crayfish in Aras reservoir, Iran.
    Description: Published
    Keywords: Astacus leptodactylus ; Fungi ; Epibiont ; Survey
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.266-275
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  • 6
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    Short communication: Monogenean species from freshwater fishes of Zanjan province, Iran (2021)
    In:  http://aquaticcommons.org/id/eprint/22292 | 18721 | 2018-03-13 05:30:02 | 22292 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-02
    Description: This parasitological research was conducted from September 2002 to August 2003 on the freshwater fishes in Zanjan province. Totally 155 fishes including Capoeta capoeta idellaI (91), Carassius auratus (8), Leuciscus cephalus (18), Ctenopharyngodon idella (10), Barbus lacerta (8), Allburnoides bipunctatus (10) and Alburnus filippi (10), were seined from five different stations. The fishes were transferred to Laboratory of Aquatic Organisms Research in Science Faculty of Shahid Beheshti University. The skin and gills of fishes were studied under light and stereomicroscope. The identified monogenean parasites included seven Dactylogyrus species as: D. chramuli, D. gracilis, D. Lenkorani and D. pulcher from Capoeta capoeta gracilis; D. lamellatus from Ctenopharyngodon idella; D. goktschaicus from Barbus lacerta and D. vistulae from Albunoides bipunctatus and Alburnus filippi. Various Gyrodactylus spp. from skin and gills of different fish specimens and one Paradiplozoon sp. from gill of Alburnoides bipunctatus were observed. This is the first parasitological investigation that has been done on the freshwater fishes of Zanjan province.
    Keywords: Biology ; Fisheries ; Fish ; Parasite ; Monogenean ; Zanjan ; Iran
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 103-112
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  • 7
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    Survey on fungal, parasites and epibionts infestation on the Astacus leptodactylus (Eschscholtz, 1823), in Aras Reservoir West Azarbaijan, Iran (2021)
    In:  http://aquaticcommons.org/id/eprint/22419 | 18721 | 2018-04-06 21:02:42 | 22419 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-05
    Description: A total of 394 (255 males, 139 females) live freshwater crayfish Astacus leptodactylus from four stations of Aras reservoir in West Azarbaijan Province (North-Western Iran) were studied during the winter until early autumn of 2009 for the presence of parasites, epibionts and fungal agents. Parasitological surveys were carried out on gills, exoskeleton and internal organs, mycological examinations on the exoskeleton (the legs, abdominal cuticle and the eggs). 9 epibionts and parasites peritrich protozoans including: Cothurnia sieboldii (68.5%), Zoothamnium spp. (56.6%), Vorticella similis (45.6%), Chilodonella spp. (0.5%), Podophrya fixa (7.8%), Epistylis chrysemidis (53.2%), Pyxicola annulata (66%), Opercularia articulata (19.8%), Tetrahymena pyriformis (0.5%) were recorded. From Metazoan parasites group, Branchiobdella kozarovi (71%) as the first observation was the only parasite recorded from exoskeleton with prevalence (100%) during spring and summer of the study year. Infected gills were heavily damaged with Aeolosoma hemprichi (Annelid) in winter with 90% prevalence. Other epibiont fouling organisms such as Rotatoria, free living Nematods were observed in this survey. Furthermore, on the mycotic agents identified Penicillium expansum, Aspergillus flavus, Alternaria sp., Fusarium sp. and Saprolegnia sp. were isolated in IM media and identified with slides cultured from cuticular melanized lesions and eggs of infected specimens. This is the first investigation on epibionts, parasites and fungal organisms of the endemic crayfish in Aras reservoir, Iran.
    Keywords: Biology ; Fisheries ; Astacus leptodactylus ; Fungi ; Epibiont ; Aras reservoir ; West Azarbaijan ; Iran
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 266-275
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  • 8
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    Detection and identification of white spot syndrome virus (WSSV) and infectious hypodermal and hematopoietic necrosis virus (IHHNV) of Litopenaus vannamei from Bushehr and Sistan and Baloochestan provinces (Iran), during 2009-2010 (2021)
    In:  http://aquaticcommons.org/id/eprint/22477 | 18721 | 2018-04-10 23:49:02 | 22477 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-06
    Description: The first time the white spot disease (WSD) and IHHNV were reported in Iran was in 2004 and 2008, respectively in Bushehr Province. In Sistan and Balochestan province only the WSD was reported in 2008.The aim of this study was detecting these two viral diseases in these provinces, during December 2009 to April 2010. A total of 364 samples were collected according to suspected gross signs from hatcheries and shrimp farms in Bushehr and Sistan and Blochestan provinces (I.R. Iran) respectively, including larvae (72, 43 samples), post larvae (48, 37 samples), juveniles (57, 32 samples), sub adults (39, 22 samples) and broodstock (29, 13 samples) of Litopenaus vannamei . WSD was detected from juveniles (23 samples), sub adults (14 samples), and broodstock (14 samples), and IHHNV was also detected from juveniles (16 samples), sub adults (9 samples) and broodstock (5 samples) based on gross signs, PCR and histopathological changes from Bushehr province but from Sistan and Blochestan province only WSD was detected from juveniles (26 samples), sub adults (18 samples) and broodstock (7 samples). Histopathological observations of WSSV showed basophilic Cowdry type A inclusion bodies in all tissues such as gills, haematopoietic tissue, cuticle epithelium, lymphoid organ and connective tissue. However histologically, the hepatopancreas tissue showed vacuolization of B cells , without inclusion bodies, but histopatholgical changes caused IHHNV including eosinophilic Cowdry type A inclusion bodies which were ectodermal, mesodermal and rarely endodermal.
    Description: Article includes abstract in Farsi on last page.
    Keywords: Aquaculture ; Biology ; Fisheries ; WSSV ; IHHNV ; L. vannamei ; Bushehr province ; Sistan and Baluchestan province ; Iran
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 708-726
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  • 9
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    Gonads tissue changes of Chalcalburnus mossulensis (Heckel, 1843) infected by Ligula intestinalis (Cestoda) (2021)
    In:  http://aquaticcommons.org/id/eprint/22403 | 18721 | 2018-04-05 14:28:12 | 22403 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-05
    Description: Chalcalburnus mossulensis from the cyprinidae family is one of the indigenous fish in Gheshlagh Lake of Kordestan, Iran. Ligula intestinalis is one of the infective parasites among various species of fish and causes gonads atrophy. In this study, after detection of species and age of samples, the effects of this parasite on gonads tissues and sexual maturation of Chalcalburnus mossulensis were investigated. By seasonal sampling 144 samples were collected. After investigatiing gonad tissue samples, it was clear that, there is a significant difference between the means of male and female gonads maturation rate in infected and non infected samples (p〈 0.05). Infection by Ligula intestinalis can be the reason for lack of gonads maturation. In addition, the abnormal degenerative changes like, absorption follicle, hemorrhage and infiltration of inflammation cells in ovary tissues of infected fish were seen. In testicle tissue, dispersed hemorrhage, atrophy and MMC (melano-macrophage center) were seen as pathological signs. So the spread of this parasite in different water sources is important as the point the maintenance of native species and cultivated fish.
    Keywords: Biology ; Fisheries ; Chalcalburnus mossulensis ; Ligula intestinalis ; Gonads ; Histopathology ; Gheshlagh Lake ; Kordestan ; Iran
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 85-94
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