M.J. Zorriehzahra

[ 1 ] - Effects of Chlorella vulgaris on blood and immunological parameters of Caspian Sea salmon (Salmo trutta caspius) fry exposed to Viral Nervous Necrosis (VNN) virus

In the present study, the effects of Chlorella vulgaris on blood and immunological parameters of Caspian salmon (Salmo trutta caspius) before and after exposure to Viral Nervous Necrosis (VNN) virus were examined. In this regard, four treatments in triplicate were chosen. Groups included one control and 3treatments (T1, T2 and T3). Fish in control group, T1, T2 and T3 were fed diets supplement...

[ 2 ] - Isolation and phylogenic analysis of emerging new antibiotic resistant bacteria, Acinetobacter lwoffii, associated with mortality in farmed rainbow trout

Whereas it is well documented that the genus Acinetobacter is associated with antibiotic resistant bacteria and human clinical infections, there are very few studies to date that report it as an emerging new pathogen for fish. In the present study, Acinetobacter lwoffii was isolated from diseased rainbow trout (Oncorhynchus mykiss) from Iranian farms, in the Khuzestan Province by both biochemic...

[ 3 ] - Chemical composition and in vitro antimicrobial activity of some Iranian medical herbs against Yersinia ruckeri

Increasing bacterial resistance to commercial antibiotics has led to considering medicinal herb applications. This study aimed to identify chemical composition of essential oil of some native medical herbs and their antibacterial activity against Yersinia ruckeri compared with Enrofloxacin in in vitro experiments. The antibacterial activities of ethanolic extracts and essential oils of Eryngium...

[ 4 ] - Study of some hematological and biochemical parameters of Rainbow trout (Oncorhynchus mykiss) fry in western part of Mazandaran province, Iran

This study was done to investigate of some hematological and biochemical factors of rainbow trout (Oncorhynchus mykiss ) fry in west of Mazandaran in Iran. About 50 pools of blood samples from diseased fry were collected within 30 months from November 2002 till March 2005 from three hatchery farms in western part of Mazanderan province. In addition 30 pools of blood samples as control group w...

[ 5 ] - Mortality of wild golden grey mullet (Liza auratus) in Iranian waters of the Caspian Sea, associated with viral nervous necrosis-like agent

An acute mortality caused by an uncertain agent occurred in wild golden grey mullet (Liza auratus) population in the Iranian side of the Caspian Sea in February, 2004. Clinical signs of the moribund fish were erratic behavior such as spiral swimming, belly-up at rest and over inflation of swim bladder. Histological examination of brain of dead fish revealed hyperaemia, degeneration and necrosis...

[ 6 ] - تأثیر مصرف خوراکی عصاره آبی- الکلی برگ زیتون در عملکرد رشد و برخی از فراسنجه‌های خونی و ایمنی در بچه ماهی کپور معمولی (Cyprinus carpio)

در این تحقیق اثرات غلظت های متفاوت عصاره آبی-الکلی برگ زیتون بر عملکرد رشد و برخی از فراسنجه های خونی و ایمنی در بچه ماهی کپور معمولی (Cyprinus carpio) ارزیابی شد. 135 عدد بچه ماهی کپور معمولی با میانگین وزنی 3/4 ± 15 گرم با دو جیره حاوی 1 و 5 گرم در کیلوگرم عصاره آبی– الکلی برگ زیتون با 3 تکرار (طرح تصادفی) در 9 آکواریم 20 لیتری مجهز به هواده با تراکم 15 عدد در هر آکواریوم، به مدت 8 هفته تغذی...

[ 7 ] - یافته علمی کوتاه: بررسی مستمر سلامتی و عدم تایید وجود بیماری نکروز هماتوپویتیک عفونی (IHN)در مولدین قزل آلای رنگین کمان (Oncorhynchus mykiss) در حومه یاسوج به وسیله روش های ملکولی (RT-PCR) و کشت سلولی در طی چهار سال 1394-1391.

یکی از عوامل مهم بیماری زا در قزل آلای رنگین کمان پرورشی ویروس IHN (Infectious Hematopoietic Necrosis Virus) است. این ویروس سبب بیماری عروق خونی و بافت خون ساز ماهی به خصوص در مراحل نوزادی و لاروی می شود. این بیماری بسیار مسری است و تلفات ناشی از آن تا 95 درصد می رسد. لذا بررسی مستمر سلامتی کارگاه ها از نظر حضور یا عدم حضور بیماری ضروری است. هدف تحقیق حاضر، شناسایی و رهگیری حضور احتمالی این و...

[ 8 ] - مطالعه اپیدمیولوژیک بیماری دهان قرمز روده ای (Disease Enteric Redmouth) در مزارع قزل آلای رنگین کمان پرورشی در استان آذربایجان غربی و تعیین ارتباط عوامل محیطی با بروز بیماری

باکتری یرسینیا راکری (Yersinia ruckeri) از مهمترین عوامل عفونی ایجاد کننده خسارات اقتصادی در مزارع پرورشی کشور میباشد. به منظور جداسازی و شناسایی باکتری یرسینیا راکری، عامل بیماری دهان قرمز روده ای (Entric red mouth)، طی فروردین ماه 1391 تا مرداد ماه 1392، نمونه گیری از 285 ماهی قزل آلای رنگین کمان به ظاهر بیمار با اوزان 1 تا بالاتر از 200 گرم، از 19 مزرعه پرورش ماهی قزل آلای رنگین کمان در سط...

[ 9 ] - تاثیر سطوح مختلف عصاره نعناع فلفلی بر برخی شاخص‌های خونی، بیوشیمیایی و ایمنی ماهی قزل آلای رنگین کمان (Oncorhynchus mykiss)

افزایش روز افزون مقاومت‌های باکتریایی نسبت به آنتی بیوتیک‌های تجاری، گرایش به استفاده از گیاهان را به منظور تحریک سیستم ایمنی ذاتی افزایش داده است. در این مطالعه تاثیر جیره های غذایی حاوی سطوح مختلف عصاره نعناع فلفلی (Mentha piperita) بر شاخص‌های خونی، بیوشیمیایی و ایمنی ماهی قزل آلای رنگین کمان (Oncorhynchus mykiss) مورد ارزیابی قرار گرفت. بدین منظور ماهیان با میانگین وزنی 12/0±2/32 گرم در حوض...

[ 10 ] - Effects of Chlorella vulgaris on blood and immunological parameters of Caspian Sea salmon (Salmo trutta caspius) fry exposed to Viral Nervous Necrosis (VNN) virus

[ 11 ] - Isolation and phylogenic analysis of emerging new antibiotic resistant bacteria, Acinetobacter lwoffii, associated with mortality in farmed rainbow trout

[ 12 ] - Chemical composition and in vitro antimicrobial activity of some Iranian medical herbs against Yersinia ruckeri

[ 13 ] - Study of some hematological and biochemical parameters of Rainbow trout (Oncorhynchus mykiss) fry in western part of Mazandaran province, Iran

[ 14 ] - Mortality of wild golden grey mullet (Liza auratus) in Iranian waters of the Caspian Sea, associated with viral nervous necrosis-like agent

[ 15 ] - Histopathology survey of rainbow trout (Oncorhynchus mykiss) fry mortality syndrome in coldwater hatcheries and reared farms in Iran

An investigation was conducted in order to determine the etiological factors of Fry Mortality Syndrome (FMS) that causes a serious economical loss in rainbow trout’s farms in Iran and around the world. The increased number of farms and the improvement of culture techniques and facilities in Iran had boosted the annual production of trout from 280 tonnes in 1978 to more than 30,000 tones in 2004...

[ 16 ] - تتعیین غلظت نیمه کشنده (LC50) دو عصاره برگ درخت زیتون (Olea europaea L.) و سیر (Allium sativum L.) در بچه ماهی کپور معمولی (Cyprinus carpio)

در این مطالعه، میزان غلظت نیمه کشنده (LC50) عصاره آبی-الکلی برگ درخت زیتون (Olea europaea L.) و عصاره آبی سیر (Allium sativum L.) بر روی بچه ماهی کپور معمولی (Cyprinus carpio) در شرایط آزمایشگاهی بررسی شد. آزمایش‌ها به روش استاندارد O.E.C.D و به‌صورت ساکن طی مدت 96 ساعت انجام گردید. میزان ماده مؤثره عصاره‌ها به روش کروماتوگرافی مایع با کارایی بالا (HPLC) اندازه‌گیری شد. برای اندازه‌گیری غلظت نی...

[ 17 ] - بیماری نوظهور ویروس دریاچه‌ای تیلاپیا(TiLV)

بیماری‌های ویروسی از علل شایع بیماری و مرگ در ماهیان پرورشی هستند. بیماری نوظهور ویروس دریاچه‌ای تیلاپیا[1] یک بیماری مهلک جدید به‌ویژه در ماهیان با ارزش اقتصادی است. این ویروس نو‌ظهور، یک تهدید جدی برای آبزی پروری تیلاپیا در آسیا و سراسر جهان می‌باشد. بیماری ویروسی تیلاپیا دریاچه‌ای یک ویروسRNA دار شبه ارتومیکسوویروس[2] است. علایم بالینی ماهیان بیمار شامل: بی‌حالی، کم اشتهایی، کندی حرکت، تغیی...

[ 18 ] - بیماری اگزوتیک کوی هرپس ویروس در ماهیان زینتی

هرپس ویروس ماهی کوی نوعی بیماری ویروسی بسیار مسری در میان ماهیان کوی است که می‌تواند باعث ابتلای قابل توجه و مرگ و میر شدید در میان ماهیان کوی شود. موارد متعددی در آمریکا و اروپا و نیز آسیا گزارش شده است. در ایران با مراقبت‌های هدفمند، کلیه مراکز پرورشی واجد بیماری و تلفات تحت بررسی و مراقبت قرار گرفته تا از شیوع آن جلوگیری بعمل آید. این بیماری برای اولین بار توسط رحمتی هولاسو و همکاران در سال ...

[ 19 ] - Viral nervous necrosis (VNN) an emerging disease caused by Nodaviridae in aquatic hosts: Diagnosis, control and prevention: A review

Betanodavirus is one of the two genera making up the family Nodaviridae and is the etiological agent of viral nervous necrosis (VNN, also known as viral encephalopathy and retinopathy or VER). The virus infects a large range of host species in more than 50 species of marine and freshwater fish worldwide from different geographical areas and the known host range continues to expand as new specie...

[ 20 ] - Viral nervous necrosis (VNN) an emerging disease caused by Nodaviridae in aquatic hosts: Diagnosis, control and prevention: A review

[ 21 ] - معرفی روش مولکولی PCR آشیانه ای (Nested RT-PCR) اصلاح شده جدید جهت تشخیص سریع بیماری نکروز عصبی ویروسی (Viral Nervous Necrosis)

بیماری نکروز عصبی ویروسی، یکی از مهمترین بیماری‌‌های ویروسی با گسترش جهانی در ماهیان دریایی و پرورشی دنیا محسوب می‌‌شود و تا به امروز بیش از 70 گونه حساس ماهی به این بیماری شناسایی شده است. هدف از این پژوهش ردیابی و شناسایی سریع ویروس مذکور با استفاده از روش Nested RT-PCR از بافت مغز کفال ماهیان دریای خزر بود. در طول فصل صید در سال 1395 تعداد 40 قطعه کفال طلایی (Liza aurata) در محدوده وزنی 50 ...

[ 22 ] - The possibility of VNN occurrence and the effects of nervous necrosis virus (NNV) on immunological and histopathological changes in Caspian Sea salmon (Salmo trutta caspius) fingerlings fed by Chlorella vulgaris

This study evaluated the possibility of VNN occurrence and the effects of Chlorella vulgaris on immune parameters before and after exposure to Viral Nervous Necrosis virus in Caspian Sea salmon (Salmo trutta caspius). Fish were divided into 4 treatments with three replicates. Treatments included one control group and three experimental groups (T1, T2 and T3). Fish in control group, T1, T2 and ...

[ 23 ] - Impact of Viral Nervous Necrosis (VNN) Disease as a New Threat to Global Fisheries and Aquaculture Development, a Review

Viral Nervous Necrosis (VNN) causes viral encephalopathy and retinopathy (VER), a hazardous and devastating disease of many species of cultured and marine fish worldwide. It caused by betanodaviruses a serious concern especially in the fry and young fish. This virus infects most of the cultured fishes causing severe mortality. Our current review focuses chiefly on recent studies performed on VN...

[ 24 ] - Effects of dietary garlic (Allium sativum) extract on survival rate, blood and immune parameters changes and disease resistance of Common carp (Cyprinus carpio carpio Linnaeus, 1758) against Spring Viremia of Carp (SVC)

This study evaluated the influence of dietary garlic (Allium sativum) extract on survival rate and changes in blood and immune parameters of Common carp (Cyprinus carpio), fed with two different concentrations of aqueous garlic extract after exposure to spring viremia of carp virus (SVCV). The experiments have executed in two steps: Firstly, 270 fingerlings of Common carp with an average weight...

[ 25 ] - Effect of fish meal replacement with Spirulina Spirulina platensis on hematite-biochemical and immune response of Caspian brown trout (Salmo trutta caspius) juveniles

In this experiment, the effect of dietary Spirulina platensis on haemato-biochemical and immunity responses of Caspian brown trout (Salmo trutta caspious) juveniles was investigated. For this purpose, diets with five S. Platensis inclusion levels (control 0%, 2 %, 4%, 6% and 8% of diet fish meal) were prepared. Six hundred juveniles with an average initial weight of 11 ± 1.0 g were assigned to ...

[ 26 ] - Introduction of some serum, immunity and blood indices as health indicators in rainbow trout (Oncorhynchus mykiss) brood stock of specific pathogen free fish (SPF)

In this study has been attempted to evaluate some hematological, serological and immunological indices to determine the baseline for determining the health of SPF brood stock. For this purpose, during three sampling stages, before, simultaneously and after breeding time, the blood samples were collected from brood stock fish at the SPF center in the Cold water fisheries research Center (Tonekab...

[ 27 ] - Determination of minimum inhibitory concentration of the ethanolic extract of orange peel and the effects on the growth inhibition of Huso huso filet bacteria during refrigerated storage

Using natural extracts, as a source of anti-microbial, to improve the quality of fish is increasing. In this study, the ethanolic extract of orange (Citrus sinensis L.) was used due to having this property. Agar dilution method was employed in order to determine the minimum inhibitory concentration (MIC) of the ethanolic extract of orange peel on Pseudomonas aeruginosa, E. coli and Aeromonas hy...

[ 28 ] - An overview of Betanodavirus and perspective of Viral Nervous Necrosis (VNN) disease in Iranian southern waters

The Persian Gulf and its shores are important and strategic areas with a large variety of fish species. Betanodavirus infection is known to be a serious threat to susceptible fish and causing economic damages to the fisheries and fishing industry. Concerning to isolation and confirmation of VNN virus in the Mullet fish (Chelon aurata and C. saliens) in the Caspian Sea and its damages on Mullet ...

[ 29 ] - Introduction of some serum, immunity and blood indices as health indicators in rainbow trout (Oncorhynchus mykiss) brood stock of specific pathogen free fish (SPF)

[ 30 ] - Using Real-Time PCR to Detect Notifiable Viral Diseases (IPN, VHS and IHN) in Specific Pathogen Free (SPF) Rainbow Trout Broodstock Generations

The aim of this study was to identify different virulence pathogens using Real-Time PCR method for rapid and accurate detection of common viral diseases including Infectious Hematopoietic Necrosis (IHN), Viral Hemorrhagic Septicemia (VHS) and Infectious Pancreatic Necrosis disease (IPN) in rainbow trout broodstock have been the main generation of reproductive populations maintained in the natio...

[ 31 ] - Effect of Bacillus subtilis IS02 in food on health, immunity indexes and prevention against White Spot Disease in Litopenaeus vannamei

In this study, “Tak Cell” probiotic, based on eight-year studies (2009- 2016) of the Iranian Fisheries Sciences Research Institute in National Shrimp Research Institute, and produced in collaboration with the “Tak Zhen Zist ®” company, was added to the diet of western white shrimp (Litopenaeus vannamei) weighing more than 6 grams (in three Different quantities 106, 107 and 108 CFU/Kg) and h...

[ 32 ] - The effect of Rainbow trout fish farms effluents on macroinverebrate communities and water quality of Peredanan river (West Azarbajan)

Today, the multi purpose use of the potential of water resources is considered with the construction of Rainbow trout farms upstream of permanent rivers in order to make optimal use of these resources and increase employment. The direct entry of the effeluent of theses pools into the water of these rivers can affect their water quality. The aim of this study was to determine the effect of rainb...

[ 33 ] - Comparison of Betanodavirus diagnosis quality in Grouper and Sea bass by Rapid Diagnosis Kit, histopathology and Nested-PCR methods

Betanodavirus is the leading cause of viral mortality in fish worldwide and a major barrier to the spread of fisheries and aquaculture. Due to the increase in aquaculture in the Persian Gulf and the occurrence of some disease symptoms in farmed and wild fish in the region, screening of Betanodavirus-sensitive fish became important. Therefore, to prevent economic losses and reduce aquatic reserv...

[ 34 ] - Effects of Garlic (Allium sativum) and Chamomile (Matricaria chamomilla) extracts on Ichthyophthirius multifiliis parasite in Guppy fish (Poecilia reticulata)

Ornamental fish sector is considered a large international market and parasitical diseases cause a serious damage on this trade’s profits. This study was conducted to investigate the use of garlic (Allium sativum) and chamomile (Matricaria chamomilla) aqueous extracts on suppression of Ichthyophthirius multifiliis parasite in guppy fish (Poecilia reticulata). Two experimental groups consisted o...

نویسندگان همکار

S. Ullah 33