نتایج جستجو برای: fish species

تعداد نتایج: 627866  

J. Pazooki, M. Masoumian

  Two hundred forty seven species of parasites from Iranian freshwater fishes are presented in this synopsis. The parasites were recorded from infestations in fish from different parts of the country and summarized according to host species, organs were the parasite infestations occurred, province, faunal region and reference numbers. The following aspects of parasite infestations were also dis...

Rapid industrialization along with advanced agricultural activities led to the contamination in aquatic environment with heavy metals. Heavy metals ultimately pass into human body through having aquatic animals like fish, prawn and crab. In this study, accumulation of heavy metals (zinc, copper, iron, cadmium and lead) in various organs of four commonly consumed fish (Euthynnus affinis...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده منابع طبیعی و علوم دریایی 1388

this research was conducted in two protect and destroy region in the middle zagros, in illam province. in order to identification of ecological species group and evaluate density of regeneration, effect of many factors such as protection, vegetation, physiographic factors, physical and chemical properties of soil in study locations were studied. to achieve these purpose number of 54 plots using...

Journal: :بهره برداری و پرورش آبزیان 0
مجتبی علیشاهی دانشکده دامپزشکی دانشگاه شهید چمران اهواز اسماعیل عبدی دانشکده دامپزشکی دانشگاه شهید چمران اهواز

in this study the acute toxicity of organophosphorous pesticide in four native fishes of khouzestan province including: barbus sharpeyi, barbus grypus, barbus barbulus and barbus xanthopterus were investigated. the acute toxicity test was conducted following the organization for economic cooperation and development (oecd) under static-renewal test. each fish species exposed to serial dilution o...

Journal: :international journal of aquatic biology 0
sandipan gupta central inland fisheries research institute (icar) barrackpore, kolkata-700120, west bengal, india

mystus gulio is a euryhaline fish, occurring mostly in freshwater; it has also been found to thrive in backwaters of low salinity. it is a popular food fish due to its good taste and recently it has also been reported to be exported as indigenous ornamental fish from india. number of workers earlier has studied morphology, age, growth pattern, food and feeding habit and reproductive biology of ...

Journal: :تحقیق در علوم شیلاتی 0
é kerepeczki é kerepeczki g gyalog f pekar

pond aquaculture is the most significant fish production method in central europe, approximately 70% of the total fish production is originated from traditional fish ponds in this region, which is a resource-saving, ecologically sustainable production method. however, the growth of this sector is not expected because of the low production capacity of valuable fish species and the relatively hig...

251 specimens of kutum fish caught by bony fish persine on the southern shores of the Caspian Sea (Mazandaran) during the years 2017-2019 were studied to study the growth trend of this species. In this study, maximum estimated length (L∞) and annual growth coefficient (K) of kutum fish were estimated 71.79 cm and 0.13, respectively. The results of natural reproduction of this species in Kheirud...

2017
Woon-Mok Sohn Byoung-Kuk Na Shin-Hyeong Cho Mi-Yeoun Park Cheon-Hyeon Kim Min-Ah Hwang Kyeong-Woo No Ki-Bok Yoon Hyun-Cheol Lim

The prevalence of Clonorchis sinensis metacercariae (CsMc) was examined in freshwater fish from the water systems of Seomjin-gang (River), the Republic of Korea. Total 1,604 fish from 7 local sites of Seomjin-gang were examined by artificial digestion methods. The metacercariae of C. sinensis were detected in 102 (39.8%) out of 256 fish (14 species) from the upper reaches of Seomjin-gang, i.e.,...

Journal: :Benha Veterinary Medical Journal 2018

The behavior of rural households in 11 non-coastal cities of Golestan province for fish consumption was evaluated. Data were collected through a designed questionnaire. In inferential analysis of the research, chi-square, Mann-Whitney and Friedman methods were used for ranking. About 73% of households in these areas source fish from fish markets and fishing grounds. 47% of households are intere...

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