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1 - Antihypertensive and antioxidant properties of five different protein hydrolysates produced from Indian white Shrimp (Penaeus indicus) by-products
علی طاهری سمیرا جلالی نژاد سیدامیرعلی انوار

In these days press of hypertension and free radicals is the cause of disease in industrialcountries. Medicines by antihypertensive and antioxidant properties could inhibit these diseases.In this study Shrimp byproducts were hydrolyzed with 5 different enzymes: Alcalase More

In these days press of hypertension and free radicals is the cause of disease in industrialcountries. Medicines by antihypertensive and antioxidant properties could inhibit these diseases.In this study Shrimp byproducts were hydrolyzed with 5 different enzymes: Alcalase, Pepsin, α-Chimotrypcin, Neutras and Flavourzyme. Angiotensin-I converting enzyme (ACE-Iinhibitoryactivity), DPPH free radical scavenging activity (antioxidant properties) and amino acidcomposition measured in the hydrolysates. With Alcalase ,the highest degree of hydrolysis (DH)and nitrogen recovery was 64.2±1.4% and 75±1.6%, respectively. Antioxidant activity was47.1±1.2% with Alcalase and 45.1±0.3% with α-Chimotrypcin. The maximum ACE-I inhibitoryactivity was seen in the Alcalase hydrolysates and α-Chimotrypcin hydrolysates byIC50=0.85±0.02 mg/ml and 0.9±0.04 mg/ml, respectively. ACE-Inhibition activity ofhydrolysates after ingestion by all enzymes was stable. Amino acid composition showed highhydrophobic residues content. In conclusion, Shrimp by-products Protein hydrolysates producedby Alcalase and α-Chimotrypcin have good ACE-Iinhibitory activity and antioxidant propertiesand could be used in human nutrition as bioactive peptide. Manuscript profile

Open Access Article

2 - Histological alterations in Fenneropenaeus indicus fed diets containing different doses of Aflatoxin B1
B. Ghaednia, منصور Bayat, ایرج Sohrabi Haghdoost, A. Motallebi, A. Sepahdari,

In this study Indian white shrimp, Fenneropenaeus indicus, (11.79 ± 1.76 g) were fed with dietscontaining 0, 20, 50, 100, 200, 400, 800 and 1600 ppb levels of AFB1 for 8 weeks.Histopathological alterations in the hepatopancreas, such as hepatopancreas tubules ste More

In this study Indian white shrimp, Fenneropenaeus indicus, (11.79 ± 1.76 g) were fed with dietscontaining 0, 20, 50, 100, 200, 400, 800 and 1600 ppb levels of AFB1 for 8 weeks.Histopathological alterations in the hepatopancreas, such as hepatopancreas tubules stellar crosssection deformation, reduce degenerative changes and atrophy of epithelial cells and secretorycells lining the tubules, hepatopancreas tissue necrosis and infiltration of fibroblasts in the wallsof hepatopancreas tubules were observed. In Muscle tissue, muscle bundles separated from eachother and create a gap between them was observed, which confirms the weight loss in 800 ppbAFLB1 treatment. Intestinal mucosal necrosis and detachment were observed in midgut tissue atthe end of 4 and 8 weeks. Manuscript profile

Open Access Article

3 - Effect of acute and chronic toxicity of Cu nanoparticles on survival and histopathology of hepatopancreas and gills in Pacific white shrimp (Litopenaeus vannamei)
N. Khosravizadeh, I. Sourinejad, S.A. Johari, Z. Ghasemi L.V.S.,

Identification of toxicity effects of nanomaterials in the field of aquatic nanotoxicology is ofgreat significance. This study was conducted to evaluate the effect of acute and chronic toxicityof copper nanoparticles (CuNPs) on survival rate and histopathology of hepato More

Identification of toxicity effects of nanomaterials in the field of aquatic nanotoxicology is ofgreat significance. This study was conducted to evaluate the effect of acute and chronic toxicityof copper nanoparticles (CuNPs) on survival rate and histopathology of hepatopancreas and gillsin PL5 of Pacific white shrimp (Litopenaeus vannamei). Acute toxicology test was doneaccording to OECD no. 203 during 96 h and mortalities were recorded every 24 h after exposureof shrimps to concentrations of 0.1&sbquo; 0.32, 1, 3.2, 10, 32 and 100 mg/lit of CuNPs with averagesize of 40 nm. Data of mortalities were analyzed by probit software. Median lethal concentration(LC50) was not determined because there was no special order in acute toxicity data. In fact, nondose-dependent mortalities of this species exposed to CuNPs inhibited the calculation of LC50.In chronic toxicity test, shrimps were exposed to concentrations of 0.1, 0.5 and 1 mg/lit ofCuNPs for 21 days. Gill histology revealed many damages such as severe necrosis, shorteningof the length of the secondary gill lamellae, severe increase of hemocytes and decrease of pillarcells compared to control. Histopathological effects in hepatopancreas of CuNPs exposedshrimps were enlargement of the cell nucleus, necrosis of some cells, as well as reduction of thenumber of functional cells and destruction of the tubules wall in compare to the control. Inconclusion, exposure to CuNPs causes histopathological effects on hepatopancreas and gills ofPacific white shrimp which could finally result in the shrimp mortalities. Manuscript profile

Open Access Article

4 - Identification of Microsporidian parasites (Plistophora sp.) in sub-adult broodstocks of Litopenaeus vannamei in Boushehr province
Khalilpazir, M., Akbarpour, E., Niamaimandi, N. , Nazari, A. .

. The aim of this study was to identify and detection of microsporidian parasite from sub-adult brood stock culture of Litopenaeus vannamei by histology studies and histopathological lesions examination in various organs caused of parasite. The sub-adult brood stocks ( More

. The aim of this study was to identify and detection of microsporidian parasite from sub-adult brood stock culture of Litopenaeus vannamei by histology studies and histopathological lesions examination in various organs caused of parasite. The sub-adult brood stocks (27.81±0.92 gram) were randomly sampled more than 450 pieces from greenhouse ponds of three breeding center of Bushehr province, from January to March 2014. Based on the clinical symptoms, some of shrimps were white and milky cephalothoraxes and dorsal-ventral abdominal muscles. According to wet mount and histology observations, spore of Plistophora sp were separated from infectious shrimps. Histopathological lesions of hepatopancratic infectious shrimp were including nucleus hyperthrophy of epithelial cells, change shape of B-cells, necrosis of E-cells and dilation of tubules along with necrosis of muscle cells and decline of ovaries. The results showed that length and weight means of infectious shrimps comparing contamination free of shrimp were significantly deference (P <0.05).   Manuscript profile

Open Access Article

5 - Isolation and screening of marine bacteriophages for use in the prevention of Vibriosis in Western white shrimp
Samira Zarei Nima bahador maryam Mirbakhsh Mohammad Khalil pazir

The aim of this study was to screen Vibrio species off the coast of Bushehr province and control this shrimp pathogen using phage.For this study, water was sampled in 1398 from areas close to the coast of Bushehr province. Bacteria that cause Vibriosis were determined u More

The aim of this study was to screen Vibrio species off the coast of Bushehr province and control this shrimp pathogen using phage.For this study, water was sampled in 1398 from areas close to the coast of Bushehr province. Bacteria that cause Vibriosis were determined using biochemical tests and molecular sequencing. Bacterial selection was performed according to the results of antibiogram profiles of dominant bacteria and pathogens. TCBS was used to determine the phage titer of the culture medium and the plugs were counted 24 hours after incubation at 30 ° C.5 bacteria (Vibrio alginolyticus strain SeqID, Vibrio xuii strain Z-03Phage, Vibrio alginolyticus SZ / 10 gene, Vibrio rotiferianus strain SRPR-Phage, Vibrio harveyi strain Z05 were isolated from Bushehr wastewater contaminated waters). Vibrio alginolyticus strain SeqID was selected as the dominant bacterial species according to the results of antibiogram profile determination, growth halo diameter and bacterial biochemical test of the studied species. Based on the results of 16srDNA molecular analysis, the isolated strain of the bacterium was 100% similar to Vibrio alginolyticus. Based on the results of the host domain, Vibrio alginolyticus strain Samira Phage was able to form plugs.The isolated bacteriophage Vibrio alginolyticus strain Samira Phage had a bactericidal effect with a wide range against Vibrio bacteria identified from the shores of Bushehr, which indicates that this bacteriophage can be a good candidate for use in phage therapy Be against viberosis.Keywords: Isolation and screening, Bacteriophage, Vibriosis, Western white shrimp Manuscript profile

Open Access Article

6 - Evaluation of polycyclic aromatic hydrocarbon and heavy metals in packaged white shrimp (Metapenaeus affinis) in Tehran
سحر Atefi Sedrini A. Jamshidi J. Hassan

10.30495/jfh.2020.1891310.1259

Heavy metals can easily contaminate the aquatic environment, especially shrimp. Considering the high nutritional value of shrimp and the importance of assessing its wholesomeness, this study aimed to determine the amount of some heavy metals (zinc, lead, arsenic, cadmiu More

Heavy metals can easily contaminate the aquatic environment, especially shrimp. Considering the high nutritional value of shrimp and the importance of assessing its wholesomeness, this study aimed to determine the amount of some heavy metals (zinc, lead, arsenic, cadmium, nickel, copper, chromium, mercury, manganese, and titanium) and Polycyclic aromatic hydrocarbon in shrimp samples in Tehran, during winter of 2017. A total of 120 samples of shrimp packaged from 10 equal weight packages with similar production date and size which packed by 5 different companies randomly sampled. To determine the amount of heavy metal concentration, Atomic absorption spectrophotometry and to determine polycyclic aromatic hydrocarbon gas chromatography were used. All of the heavy metals measured in this experiment were found below the standard specified by the World Health Organization. The highest mean concentrations of heavy metals were related to zinc (6193.4 ppb), copper (1597 ppb), and arsenic (496 ppb), respectively, and the lowest mean concentrations were related to cadmium (4.8 ppb). Naphthalene (1.2ppb), acenphetylene (0.14 ppb), chrysene (7.6 ppb), and acenaphthene (5.32ppb) were present in the samples of collected shrimp, the values of which were determined higher than standard except for acenphetylene. Additionally, there was no significant difference between heavy metals and PAHs in cultivated and marine samples. In general, the consumption of these shrimps is not dangerous for humans in terms of heavy metals. However, due to the possibility of transmitting PAHs through the human food chain, contamination with PAHs can be considered as a warning for excessive consumption of shrimp. Manuscript profile

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7 - A comparative study of Vanadium and Nickel levels in muscles of male and female Indian white prawn (Fenneropenaeusindicus) in market Shiraz in 2011
آمنه Kargar امید Tabiee مهرداد Cheraghi بهاره Lorestani

This study was conducted to determine the concentration of Vanadium (V) and Nickel (Ni) in the edible muscle tissues in male and female Fenneropenaeusindicus. For determination of the concentration of heavy metals in muscle tissues of edible Indian prawn in Shiraz city More

This study was conducted to determine the concentration of Vanadium (V) and Nickel (Ni) in the edible muscle tissues in male and female Fenneropenaeusindicus. For determination of the concentration of heavy metals in muscle tissues of edible Indian prawn in Shiraz city in autumn of 2011, 120 samples have been obtained randomly from Shiraz retail. Preparation and analysis of samples were performed by standard method using Atomic Absorption (Varian V10-ES) and then the concentrations of the heavy metals were compared with the recommended international standard. In this study the mean concentration of V in muscle of male and female were estimated at 1.06 ± 0.64 and 0.76 ± 0.54  mgKg-1, respectively. However, the concentration of Ni in muscle of male and female was determined as 8.1 ± 1.173 and 9.1 ± 0.79 mgKg-1, respectively. The analysis of the data showed that the concentration of Ni in the muscle of male and female samples had significant difference (P<0.05). In this study, concentration levels of metals in the muscle tissues were above the acceptable limit established by WHO and FAO. Manuscript profile

Open Access Article

8 - بررسی مقاومت به استرس شوری در پست لاروهای میگوی سفید غربی vannamei) (Litopenaeus تغذیه شده از آرتمیای غنی شده با عصاره سیر
مریم جوادزاده علیرضا سالارزاده مازیار یحیوی محمود حافظیه

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9 - بررسی اثر غلظت آلژنیک اسید(ارگوسان) بر رشد و بقای پست لاروهای میگوی سفید هندی(Fenneropenaeus indicus)
امیر هوشنگ بحری قباد آذری تاکامی فلورا محمدی زاده

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10 - تاثیر تراکم ذخیره سازی پست لاروهای میگوی سفید غربی(Litopenaeus vannami) بر روند شاخص های رشد و بقاء دراستخرهای پرورش میگوی سایت گواتر
ابوالقاسم حسن دوست امیرهوشنگ بحری مازیار یحیوی

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11 - مقایسه رشد بقاء و تولید نهایی میگوی سفید هندی در سیستم پرورش تک گونه ای و توام با میگوی ببری سبز در منطقه تیاب هرمزگان
اسماعیل تازیکه حجت اله فروغی فرد غلامعباس زرشناس علی اکبر صالحی احمدرضا تورجی

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12 - بررسی تاثیر آرتمیای غنی شده با زئولیت بر فاکتورهای رشد و بقاء میگوی سفید غربی (Litopenaeus vannamei)
ندا بازماندگان فلورا محمدی زاده علیرضا سالارزاده

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13 - بررسی توزیع و تراکم ماکروبنتوزها در مزارع پرورش میگوی سفید غربی (Litopenaeus vannamei) در منطقه گمیشان استان گلستان
مسعود سقلی مازیار یحیوی سعید یلقی

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14 - تاثیر آرتمیای غنی سازی شده با پروبیوتیک EM بر روی رشد، بازماندگی و اختلاف اندازه پست لارو میگوی سفید هندی (Penaeus indicus)
سلمان سالمی دل آرام نخبه زارع مازیار یحیوی

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15 - اندازه گیری و مقایسه میزان فلزات سنگین جیوه، سرب و کادمیوم در عضله و پوسته میگوی سفید هندی (Fenneropenaeus indicus) خلیج فارس (بحرکان)، استان خوزستان
سید محمد رضا رضوی حبیب وهاب زاده عباسعلی زمینی ابوالفضل عسکری ساری محمد ولایت زاده

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16 - بررسی تاثیر زمان، درجـه حـرارت و غلظت متـابی سولفیت سـدیم بر میــزان جذب SO2باقیمانده در عضله میگوی سفید هندی پرورشی(Fenneropenaeus indicus) تیمار شده در آب دریا
مجید محمد نژاد شموشکی بهزاد رسولی محسن خلیلی

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17 - ارزیابی اقتصادی پرورش میگوی سفید هندی (Fenneropenaeus indicus)دراستان هرمزگان
حجت الله فروغی فرد عیسی کمالی

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18 - تعیین مدل رشد میگوی سفیدغربی(Litopenaeus vannamei) در سیستم پرورشی نیمه متراکم مرکز میگوی گمیشان در استان گلستان
کریم گلشاهی محمود سقلی میثم صالحی

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19 - اثرات پرورش دو بار در سال بر شاخص های رشد میگوی سفید غربی( Litopenaeus vanname) در استان بوشهر
رضا قربانی واقعی غلامحسین فقیه عباسعلی زنده بودی قاسم غریبی

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20 - Reproductive Performance of Pacific White Shrimp (Penaeus Vannamei Boone, 1931) Broodstocks under the Influence of Different Rearing Systems
Mohammad Hossein Khanjani

10.22034/ascij.2021.684786

The performance of Pacific white shrimp broodstocks is affected by several factors including different environmental conditions, feeding type, size, and the cultivation site. In the present study, two different reproduction systems were used to investigate the reproduct More

The performance of Pacific white shrimp broodstocks is affected by several factors including different environmental conditions, feeding type, size, and the cultivation site. In the present study, two different reproduction systems were used to investigate the reproductive performance of Pacific white shrimp broodstocks: conventional (water exchange) and limited water exchange Female broodstocks having an average weight of 38.6 ± 6.8g were obtained from Chabahar Reproduction Center located in Konarak and experimented in 2000-liter tanks. Two treatments in three replications in a completely randomized design were considered for the current research, including: control group (conventional rearing system) in which 90% of the water was replaced and limited water exchange treatment in which 2 to 3% of the water was exchanged daily. The results of this study showed no significant difference in the growth performance of broodstocks between two cultivation systems (p > 0.05), but the survival rate in the limited water exchange system were measured higher (97.57%). Moreover, the number of eggs in each spawning stage for shrimps under conventional farming system and limited water exchange 47,500 and 60,800 were obtained, respectively, a significant difference (p < 0.05). Furthermore, the number of shrimp eggs in each spawning stage varied significantly in the conventional system and in the limited water exchange treatment, with 49,300 and 60,800 eggs, respectively (p <0.05). A higher number of eggs converted to nauplius by the limited water exchange system than by the conventional system. In general, this study found that the reproductive performance of Pacific white shrimp broodstocks in the system with limited exchange of water is better than the conventional system. Manuscript profile

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