نتایج جستجو برای: kutum fish

تعداد نتایج: 104394  

Journal: :international journal of aquatic biology 0
shaghayegh hasanpour department of fisheries, faculty of natural resources, university of tehran, iran. soheil eagderi department of fisheries, faculty of natural resources, university of tehran, iran. seyed valli hosseini department of fisheries, faculty of natural resources, university of tehran, iran. mohamad hasan jafari sayadi department of agriculture and natural resources, university of payam noor, karaj, iran.

fish larvae have several sensory systems that are functional at or soon after hatching and then are developed further during larval and juvenile stages. this study was conducted to investigate development of the eye in rutilus kutum , based on histological and allometric growth analysis during early developmental stages up to 35 day post hatching with emphasis on retinal morphology. for this pu...

ژورنال: توسعه آبزی پروری 2021
Farhangi, Mohamad, Jafaryan, Hojjatolah,

Cu is an essential micronutrient which is found in either water environment or fish diet. In addition, copper sulfate is an effective algaecide for algal control in fish pond. Therefore, toxicity test seems to be necessary to predict the safe concentrations of chemicals in the environment. The experiments were conducted to study of mortality rate of acute toxicity of Copper (CuSO4) in Common Ca...

Journal: :دامپزشکی 0
اکبر الصاق عضو هیأت علمی گروه شیمی، دانشکده شیمی، دانشگاه آزاد اسلامی واحد تهران شمال

the proteins in fish, as well as other aquatic animals has nowadays become an important and complete protein sources in many people’s diets around the world and as a results, there has been a growing interest to protect and ensure the health of this important food source. heavy metals due to their specific physical and chemical characteristics as well as their effects on various ecosystems are ...

Hamideh Zakariaei Javad Sharifi Rad Majid Sharifi Rad Sara Raeisi,

The heavy metals concentrations including Zinc, Copper, Lead and Cadmium (Zn, Cu, Pb and Cd) in water and sediments in Gorgan Bay and their accumulation in Rutilus frisii kutum, Acipenser persicus, Rutilus rutilus caspicus and Cyprinus carpio organs (gills, muscle, kidney and liver) were investigated. There was substantial increase in concentration of heavy m...

Hamideh Zakariaei Javad Sharifi Rad Majid Sharifi Rad Sara Raeisi,

The heavy metals concentrations including Zinc, Copper, Lead and Cadmium (Zn, Cu, Pb and Cd) in water and sediments in Gorgan Bay and their accumulation in Rutilus frisii kutum, Acipenser persicus, Rutilus rutilus caspicus and Cyprinus carpio organs (gills, muscle, kidney and liver) were investigated. There was substantial increase in concentration of heavy m...

Journal: :دامپزشکی 0
اکبر الصاق عضو هیأت علمی گروه شیمی، دانشکده شیمی، دانشگاه آزاد اسلامی واحد تهران شمال

in this study, levels of cadmium, lead, arsenic and mercury heavy metals, which are required by the who and the unfao to be determined in sea food, were evaluated using flame atomic absorption spectroscopy technique, in tissues of two commonly consumed fish in iran namely rutilus frisii kutum and cyprinus carpio collected from the south coastline of the caspian sea. the average concentration of...

ژورنال: سلامت و محیط زیست 2010
اسماعیلی ساری, عباس, اکاتی, نرجس, قاسمپوری, سید محمود,

Backgrounds and Objectives: Mercury is a heavy metal that is widespread in the environment and has many toxic effects. At present, MeHg exposure on women remain an important issues for researching, especially those of continuous uptake in high-fish consumption.MeHg can be transferred to infant through breast milk. The objective of this study was to characterize the risk of Hg exposure in mother...

Rutilus kutum , one of the most important and valuable is the bony fishes of the Caspian Sea and the use of gill net fishing is one of numerous methods and the use of gill net fishing is one of the main ways that likely to more die the large number of fish during captured in net. In this study, sensory and the appearance changes white fishes after fishing by gillnetting was performed to determi...

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