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  • 1
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    Feasibility study on Intensive polyculture of chainess and Indian carps in I.R.IRAN (Giulan province) (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-12-05
    Description: 500000 juvenile Indian majour carps (Labeo rohita,Cirhinus merigala, Catla catla) imported (2004) and transferred to the earthen ponds in Shahid Ansari Carp Breeding Center , In order to assess the viability of rearing under the climatic condition of north part of Iran and also achieve some growth parameters from the larval stage to market size.The fry with 300 mg weight, were released in to 8 ponds.specimens were separated to tree experimental categories: 1= (Labeo rohita) , 2= (Cirhinus merigala) , 3= (Catla catla). fishes were fed with artificial food and also with the natural products of the ponds which were enriched with organic fertilizers, after being equally stocked in the ponds .During the experiment, oxygen level ,PH, turbidity, and temperature were measured . Monthly fry samples were taken, for weight and length biometrical analysis and also determination of the weight gain percentage, average daily growth rate, specific growth rate. Results have indicated adaptations and considerable growth in this species, with an increase from the initial weight of 300 mg to an average of 13.5±1.6 mg in 50 days period until the end of November for fingerlings. Also the average weight of growing phase (second year of production) was 647g. For Labeo rohita ,420 g. for Cirhinus merigala and 734g. For Catla catla. The special growth rate(SGR)in Roho was 4.51 %.and 3.9 % for merigal and6.2 % for Catla while for Chinees carps SGR was 4.9, 6.7, 7.6 and 5.8 for silver carp,grass carp, common carp and big head respectively. Results revealed that the Indian majour carps compatibility with the condition in Gilan province was succesfull and the combination of species and optimization of their compatibility were remind for further studies.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Indian carp ; Growth ; Labeo Rohita ; Cirhinus merigala ; Catla catla ; Juvenile ; Breeding ; Rearing ; Growth ; Larval stage ; Fry ; Artificial food ; Oxygen level ; pH ; Turbidity ; Temperature ; Species
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 65pp.
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  • 2
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    Establishment of gene bank of inland water fish species (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-12-05
    Description: Genetic knowledge helps to protect biodiversity and optimal harvest resources by several ways. This knowledge can help to reduce the risk of extinction to those populations that have high genetic diversity or diminished by detected them. Also, studies of population genetics can present guidelines for improving the structure of the population and understanding the biology of species. One of the most important applications of DNA database is detecting species, fishing offense, diagnose of anemia and genetic classification of animals. DNA bank has helped to identify the species that are hunted and were discovered only parts of their meat and texture. Optimal Storage of aquatic genetic resources and the conservation of biological diversity, as the national capital by using biotechnology methods are the most important goals of gene bank and database reserves of the country creation.Collecting biological specimens of aquatic species, preparation and long-term maintenance of them, genetic registration of endangered and threatened species and the use of biotechnology techniques for the protection, conservation and management of aquatic genetic resources is one of the other functions of the gene bank. Gene bank of inland waters of Iran (Gorgan) is planned and implemented to identify, collect, maintain and protect species at the level of genes, cells, tissues and live fish research and commercial exploitation. Despite the predicted projected funding for this project, unfortunately funding sources have been considered, does not allocated. Therefore some parts of the aims of this project has been organized by Golestan province credits to build molecular laboratory and aquaculture pond in Alang farm and exploitation of potential Gharasou station and Sijoval center restocking and the conditions for the bulk of the project goals is Provided. Some parts like tissue culture laboratory and bioinformatics as well as parts and equipment related to the freezing of sperm and embryo development are the items that should be considered in the development of the this bank.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: GenBank ; Gene Bank ; Fish ; Species ; Genetic ; Biotechnology
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 74pp.
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  • 3
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    Feasibility study on semi intensive polyculture of chainess and Indian carps in I.R.IRAN (Khozestan province) (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-12-05
    Description: In order to diversify the production of carp (Cyprinid) in Iran, in 2010 September, 15,000 pieces of fry from three species of indian major carp were arrived to Iran. After subtraction of the dead fishes, finally 10,500 fry were introduced to 700 m2 ponds with a density 3,500 pieces, which includes 46. 7 % Catla, (Catla catla), 35 % Rohu (Labeo rohita) and 18. 3% Mrigal Mrigal (Cirrhinus mrigala). Primary average weight and length of these fishes were 0. 3 ± 0. 0 g and 23. 6 ± 0. 75 mm for Rohu, 0. 1 ± 0. 0 g and 33. 26 ± 0. 35 for catla and 0. 16 ± 0. 01 g and 34. 8 ± 0. 96 mm in Mrigal respectively. Fish were reared in the Khuzestan province's climate with at least 7° Cand a maximum temperature of 35 ° C. The culture period was 6 month. Once every 45 days by using signebeach net samples were taken from ponds and biometry tests were done. The maximum net production was observed at 50% situated treatment, with average weight 723. 3 kg per 1700 m2 ponds (4254. 9 kg ha). There is no significant differences between experimental treatments with each other and with control (P 〈0. 05). Mean final weight of Rohu in 3 experimental treatments were 1136, 1129, 1054 g and in Catla and Mrigal were 726,902, 839 g and 773,788,894. There was not significant diference between them (P 〈0. 05). Survival rate in Rohu, Catla and Mrigal was 92%, 97% and 86% respectively. The maximum specific growth rate (SGR) of fish related to Catla (1. 92) and the minimum SGR of fish was observed in Mrigal (1. 45) . In accordance with the results of this study, the Indian carp fishes can able to adapt, grow and reach to market weight in the khuzestan province's weather conditions.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Indian carp ; SGR ; Labeo Rohita ; Cirhinus merigala ; Catla catla ; Chainess crap ; Cyprinid ; Species ; Temperature ; Survival rate
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 75pp.
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  • 4
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    Analyzing the effects of aquaculture and rebuild aquatics stocks on fisheries development in the Caspian Sea (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-12-05
    Description: Using SWOT analysis with traditional matrix and quantitative matrix methods, the strategies to benefit from strengths and opportunities to vanishing weaknesses and decrease of threats for strategic management of aquaculture in Iranian Northern provinces was surveyed. Utilizing researches held in fisheries research centers and existence of aquaculture experts in vicinity, activation of veterinary organization in production and post production, and entering new brood stocks with desirable growth are the main strategies for developing rainbow trout and Chinese carps culture in Iranian Northern provinces. In sturgeon fishes culture, independence of farms from fingerlings produced by governmental complex and diversification the cultured fishes using new species and hybrids can develop this part of aquaculture. Avoiding illegal fishing in sea and rivers, preserving the population of Caspian Sea fishes, entering new fish species which their resources are decreased extremely to breeding and fingerling production cycle, and using pike perch and bream while they migrate to Anzali Lagoon from Caspian Sea, instead of freshwater brood stocks will cause the output of sea enhancement and sea ranching activities to increase, and fisheries return coefficient of these fishes will rise. Using quantitative matrix and scoring method, it was defined that aquaculture in Iranian Northern provinces are extremely approved and acceptable and the score of strengths is more than weaknesses and opportunities more than threats. By using strategic management, these activities can be more developed.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: SWOT ; Strategic management ; Aquaculture ; Sea enhancement ; Sea ranching ; Traditional matrix ; Quantitative matrix ; Fisheries ; Survey ; Culture ; Species ; Illegal fishing
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 504pp.
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  • 5
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    Population genetic structure of silver pomfret, Pampus argenteus, in Persian Gulf and Oman Sea in Iran and Kuwait waters by using10 Microsatellite Markers (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25257 | 18721 | 2018-09-07 06:57:02 | 25257 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: The silver pomfret, Pampus argenteus, is distributed in Indo-western pacific ocean, especially in Persian Gulf and Oman sea, and although is widely commercially exploited, the genetics structure of this species is not clear completely. In the present study, the genetic diversity and population structure of Pampus argentus in the Persian Gulf and Oman Sea were investigated using microsatellite DNA markers. Genomic DNA from 125 specimens was extracted and PCR amplification performed. Seven loci with reasonable polymorphism were amplified. The results showed that average of observed heterozygosity was ranged from 0.54 while expected heterozygosity was 0.67. After applying the Hardy-Weinberg Equilibrium (HWE) test, some loci were found to be significantly deviated from HWE in some populations in which deficiency of heterozygotes was apparent. Population differentiation observed among all populations (P〈0.01). The population differentiation (Fst) value between Kuwait and bushehr was the highest and significant (0.087) and between Chabahar and Bushehr (0.021) was the lowest and significant. Genetic distance analysis showed that the largest distance (0.269) was between Khuzestan and Chabahar and the smallest distance (0.075) was between Bushehr and Chabahar. The reported results could be of interest for management and conservation programmes of this species in the Persian Gulf and Oman Sea.
    Keywords: Biology ; Iran ; Persian Gulf ; Oman Sea ; Kuwait waters ; Bushehr Province ; Khuzestan province ; Chabahar ; Population ; Genetic ; Structure ; Silver pomfret ; Pampus argenteus ; Microsatellite markers ; Species ; Diversity ; DNA ; PCR ; Heterozygosity ; Equilibrium
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 70
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  • 6
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    Survey on parasitic infections of Barbus spp. from south-west of Iran (Khouzestan Province) (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25108 | 18721 | 2018-08-24 06:17:44 | 25108 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: A survey on parasitic infections on Barboid fishes of South- west of Iran (Khouzestan province) were done during Spring 2002 to Autumn 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 measured 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.
    Keywords: Biology ; Ecology ; Fisheries ; Iran ; Khouzestan Province ; Barbus fishes ; Parasites ; Protozoa ; Metazoa ; Dactylogyrus onchoratus ; Rhabdochona denudata ; Philometra karuensis ; Species ; Fish
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 66
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  • 7
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    Study on propagation and breeding of Hamoun fish (shizothoraxzarudnyi) to one gram weight in earthen pond (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25322 | 18721 | 2018-09-12 09:50:04 | 25322 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: Hamoun fish, Schizothorax zarudnyi, is an indigenous species of the eastern waters of Iran, which is exclusively found in this region. However recently drought occurrence in the Chahnimeh reservoirs (a semi natural water body) making them vulnerable to extinction. As an appropriate action to address this problem and according to the 3 side contract between Italian Government – UNDP - Islamic republic of Iran Government and the Italian government financial support to reduce poverty in the Province of Sistan-Baluchestan through the reinforcement and dissemination of aquaculture activities the project was developed at the Hamoun Research Unit by the Chahbahar Fisheries Research Center to record the breeding normative of 1 g weight larvae for restocking and other researching purposes. 331 broodstocks of the indigenous species Shizothorax zarudnyi weighing 800-2450 g were collected from the Chahnimeh reservoirs in early autumn, 2006. From 5/3/2007 (the project is supported and communicated on 2010) , Ovulation was stimulated with three stimulators; pituitary extract (3-6 mg kg-1 body weight), GnRH-A (20-30 mg kg-1 body weight) and anti dopamine (10-15 mg kg-1 body weight) that was given in 2-3 doses to breeders. Of 169 injected breeders , some were injected On mid March of 2007 (12-13 ºC water temperature) responded to the injection 25% ,while the rest were injected On April of 2008 (14-16 ºC water temperature) responded to the injection 65%. In the present project of 167 breeders 82 were female and 87 male. Totally 30 female breeders released their eggs in different stages. 20 female breeders released their eggs completely, 3 breeders released half of their eggs and 7 released 1/3 of their eggs. The male breeders just injected in the final dose of hormontrapy and all were ready for releasing sperms however the ovulation in female breeders occurs between 353-428 h ºC and after the final dose of injection. Ripe eggs were stripped from the females and fertilization was done by the dry method. Fertilized eggs were transferred to veis incubators and troughs. Incubation period for eggs differs and larvae hatch out after about 910 days at an average water temperature of 12.5 °C. Maintained at 13-14 °C, complete absorption of yolk sac in Shizothorax zarudnyi larvae occurred after 5-8 days. Larvae were fed with a mixture of powdered milk and egg yolk in this stage followed by decapsulated Artemia cysts and nauplii of Artemia and then on formulated starter diets used for carps. Because the ponds were not ready, larvae were maintained in troughs for about ten days before they were transferred to two 1200 m2 earthen ponds where they reached a body weight of about 1 g. They were then handed over to the Iranian Fisheries department in the region. Larvae were fed with the starter feed SFCO in the earthen ponds. About 350 thousand larvae were stocked in two earthen ponds. Based on the results of present study and other studies we may conclude that artificial breeding in Schizothorax can be successfully achieved at 14-16 ºC in flow through systems using hormone therapy (combination of GnRha and anti dopamine) and larvae could be easily cultured in earthen ponds. However this species exhibits lower growth rates as compared to carps its high expenses could have an important role in economical feasible.
    Keywords: Aquaculture ; Iran ; Sistan and Baluchestan province ; Chahnimeh reservoirs ; Chahbahar ; Hamoun fish ; Schizothorax zarudnyi ; Breeding ; Species ; Aquaculture ; Temperature ; Female ; Eggs ; Hormontrapy ; Sperm ; Ovulation ; Larvae ; Fisheries ; Earthen ponds
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 71
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  • 8
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    The study on possibility of fish soup powder production from different fish species in Sistan O blochestan Province, Chabahar (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25361 | 18721 | 2018-09-14 07:10:40 | 25361 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: Fish soup powder is produced from three kinds of fish in Chabahar catched in Oman sea white flesh of many low value fish like threadfin bream, perches etc. can be used to prepare instant fish soup powder. This product has a high consumer acceptability in many countries in this research project we used 4 low value fishes with local name of Sarm, Chaman, Aroos and Talal belonging to families Carangidea, Lethrinidea, Drepanidae and Scombroidea. soup powder packed in laminated pouches and the shelf life of it is one year in ambient temperatures. The quality used to be good up to 6 month but after this time the quality decreases gradually. The experiment on fish soup showed that the percentage of protein was 32 percent, fat 11 percent and humidity 12 percent and ash 4 percent. The experiment conducted on fish soup powder was peroxide, total microbial count, organoleptic test for 6 month.
    Keywords: Fisheries ; Iran ; Oman sea ; Sistanblochestan province ; Chabahar ; Fish Soup Powder ; Species ; Fish ; Threadfin bream ; Carangidea ; Lethrinidea ; Drepanidae ; Scombroidea ; Temperature ; Protein ; Microbial count
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 52
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  • 9
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    Biomass estimation of demersal resources in the Persian Gulf and Oman Sea by swept area method (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25383 | 18721 | 2018-09-14 07:42:31 | 25383 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: Regarding to monitor of demersal resources in the Persian Gulf and Oman Sea, and also biomass and CPUA estimation of them, eleven research cruises were carried out by using R/V Ferdows-1 equipped with bottom trawl, covering the area from 49º 00´ E in the west (borderline with Kuwait) to 61º 25´E in the east (borderline with Pakistan) from 2009 to 2011. The study area was stratified into 17 strata (A to Q) of which 10 strata (A to J) were in the Persian Gulf and 7 strata (K to Q) were in the Oman Sea, covering the depths of 10-50 m in the Persian Gulf and 10-100 m in the Oman Sea. A total of 316 stations were randomly selected and the biomass and CPUA were estimated by swept area method. In 2009, due to the bloom of jellyfish, there was some problem for sampling and therefore made some bias in our estimation. Therefore, the biomass of jellyfish was excluded from all calculations. The comparison between two regions indicated that the percentage of density of demersal fishes in the Persian Gulf during years 2009, 2010 and 2011 were 1.5, 3.7 and 1.7 times more than the Oman Sea and totally 60-80% of total biomass was found for the Persian Gulf. Also a comparison among 17 strata the highest biomass was found for K region (Sirik to Jask) in the Oman Sea in 2009 & 2011; and C & D regions (Genaveh to Dayyer) in 2010 in the Persian Gulf. The same comparison was done for CPUA of commercial, non-commercial and total in both water bodies and it was found that in years 2009 and 2011 the regions of L (Jask to Meidani) and K (Sirik to Jask) in the Oman ; and 2010 the G region (Mogham to Farour) in the Persian Gulf had the highest value of this parameter. It can be concluded that the north-west of the Oman Sea has the best condition of biomass and CPUA of commercial and non-commercial demersal fishes; and on the contrary the low values were estimated for A region (north-west of the Persian Gulf) and P region (Konarak to Ramin) in the Oman Sea. With review the mean CPUA in defferent depth layers for years 2009, 2010 and 2011, it was concluded that with increasing the depth, the mean CPUA is decreased and the lowest CPUA belongs to depths of 50-100 m. The comparison between commercial and non-commercial groups in both ecosystems, it concluded that the density of commercial species were higher than non-commercial ones; and for years 2009, 2010 and 2011 the commercial species consist of 52.2, 57.1 and 59.7 % of total biomass. In all years the Persian Gulf indicated higher values than the Oman Sea. The most abundant fishes were Rays, Catfishes, Grunts, Japanese threadfin bream, Carangids, Hair tail, Barracuda and Lizardfish for both Persian Gulf and Oman Sea.
    Keywords: Fisheries ; Iran ; Persian Gulf ; Oman Sea ; Sirik ; Jask ; Bandar Genaveh ; Commercial fishes ; Non-commercial fishes ; Biomass ; Catch per unit of area ; CPUA ; Sampling ; Density ; Species ; Catfishes ; Grunts ; Japanese threadfin bream ; Carangids ; Hair tail ; Barracuda ; Lizardfish
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 283
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  • 10
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    Recognition of fishes in rivers and basin of Qom (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25143 | 18721 | 2018-08-26 16:50:02 | 25143 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: This study was carried out on rivers, basins & qanat of Qom region during the 1376-1378and Fish samples were taken from 2 permanent rivers (Qomrood ,Ghara_chag)& from some seasonal ones (Tagharood, Zavarian, Vesva, Biraghan). Also local fishes was followed in 100 qanats in the region and Random fish sampling was done in permanent river extension out of province. This study aimed to recognize different fish species in the province water reservoir and estimating the fisheries potential in the province. For fish sampling nets such as mashk, salik, hook and hand tailored were used. Electroshoker was not used at all. Results of fish recognition showed that fish samples belong to 12 species & 4 family of "cyprinidae", "Balitoridae", "cyprinodontidae" and "poecilidae".The qanat fishes of the montain (kahak, Khagestan) and pastora area (Ghanavat,jafarabad) included by two families of "cyprinid", "Balitoridea".In some qanat which were connected to rivers more species of fish and anotherAquatic animal were observed & sampled.At the and map of geographical distribution of local fishes was planned.
    Keywords: Biology ; Iran ; Qom province ; Qomrood ; Ghara_chag ; Tagharood ; Fish ; Samples ; Species ; Fisheries ; Electroshoker ; Cyprinidae ; Balitoridae ; Cyprinodontidae ; Poecilidae ; Aquatic ; Recognation
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 67
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