نتایج جستجو برای: biofloc technology

تعداد نتایج: 468000  

Journal: :محیط زیست طبیعی 0
وفا فرهمندی گروه شیلات، دانشکدۀ منابع طبیعی، دانشگاه ارومیه امیر توکمه چی گروه پاتوبیولوژی و کنترل کیفی، پژوهشکدۀ آرتمیا و آبزیان، دانشگاه ارومیه نصراله احمدی فرد گروه شیلات، دانشکدۀ منابع طبیعی، دانشگاه ارومیه کورش سروی مغانلویی گروه شیلات، دانشکدۀ منابع طبیعی، دانشگاه ارومیه رضا ملک زاده ویایه گروه پاتوبیولوژی و کنترل کیفی، پژوهشکدۀ آرتمیا و آبزیان، دانشگاه ارومیه

rainbow trout is the main spices in aquaculture production of iran, which its effluent, containing organic materials, could alter natural situation of the ecosystem. biofloc production could reduce the impacts of aquaculture effluent into the environment. in this study the biofloc production was evaluate to reduce contamination of effluent to the natural resources. ّfour treatments each with tri...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان همدان - دانشکده ادبیات و علوم انسانی 1390

abstract this study is an attempt to determine the effect of nano- technology education on science lesson for fifth grade in primary school in the city of kermanshah. this research is experimental and is conducted in the from of pre-test and post- test for the control group. an achievement test was administered to determine the rate of learning in the students. the research is an applied one. ...

Journal: :International Journal of Advanced Computer Science and Applications 2021

Traditional fish farming faces several challenges, including water pollution, temperature imbalance, feed, space, cost, etc. Biofloc technology in aquaculture transforms the manual into an advanced system that allows reuse of unused feed by converting them microbial protein. The objective research is to propose IoT-based solution increases efficiency and productivity. article presented a collec...

Journal: :Indonesian Aquaculture Journal 2022

Biofloc technique is a method of fish culture using minimal water exchange and microbial aggregates formed within the media as supplementary feed. protein source currently not being considered part feeding dosage in catfish culture. This present work aimed to determine effects commercial feed reduction on growth performance, quality, hematology cultured biofloc ponds. Fish with an average body ...

Journal: :International Journal of Environment, Agriculture and Biotechnology 2018

Journal: :Annals of Animal Science 2023

Abstract Towards the sustainable aquaculture production, more recent technologies have been developed in past few years. The application of effectives microbes (EM) controlling water quality, biofloc technology, aquamimicry, Black Soldier fly (BSF) as supplemental protein feed, triploidy, polyploidy, vaccines, probiotic and prebiotic, Internet Things (IoT) monitoring quality farm operation, mon...

Journal: :Asian Journal of Aquatic Sciences 2022

Pangasianodon hypopthalmus can be reared under biofloc system and short photoperiod. To understand the effect of photoperiod manipulation to wards blood structure P. a study was conducted on September December 2020. This experiment using factorial CRD design with 2 level for B factor (biofloc no biofloc), 3 P (Natural, 18 hours dark, 24 dark), repetition. The fish in 110L tank, 30 fishes/tank, ...

Journal: :Applied sciences 2021

Shrimp is an important food source consumed worldwide. An intensive aquaculture system with overuse of feed in combination detrimental effects from climate change are serious problems leading to mass mortality cultured shrimp. Biofloc technology approach managing water quality and controlling the disease counter negative side culture system; however, most biofloc applications naturally formed, ...

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