Aquaculture Monitoring Articles

  • Catfish Feed Production Formulation & Process

    As is known to all, catfish has quite high nutritional value due to its good taste, delicate meat quality and its better dietary therapy function for those ill nourished people. With the sweet flavor and warm in property, catfish is in favor of urinating and treating edema, becoming good item to promote lactation and essential food material ...


    By Amisy Fish Feed Machinery

  • Fish Farms - Inspections below the surface

    Fish farms are tackling the increased demand for aquatic food, while underwater drones are tackling regular and ongoing inspections to ensure fish health and the integrity of the enclosures. According to the Food and Agriculture Organization of the United Nations, by the year 2050, there will be nearly 2 billion more humans populating the earth. Meaning that we will need to produce ...


    By Deep Trekker Inc.

  • A new reactor for denitrification and micro-particle removal in recirculated aquaculture systems

    A ‘membrane-denitrification’ reactor (MDR) was developed and tested in a semi-technical recirculation aquaculture system in comparison to a double – without MDR – as reference system. The MDR consisted of a reactor with an ultrafiltration membrane unit for removal of micro-particles (e.g. sludge flocs, bacteria and parasites). Specific carrier material provided surfaces for biofilm growth in a ...


    By IWA Publishing

  • Biological water treatment in aquaculture by means of “Mutag BioChip™ RAS Process“

    Aquaculture or fish farming means the artificial breeding and raising of aquatic creatures. They include fish as well as crustaceans and shellfish, which are raised and stocked under controlled conditions by using techniques and technologies offering an increased level of productivity which cannot be realized under natural conditions. Due to the increased demand for freshly caught fish and ...


    By Multi Umwelttechnologie AG

  • The characteristics of immobilized granular sludge in the laboratory-scale stable partial nitrification-Anammox aquaculture water reactors

    Immobilized granular sludge is of key importance for highly effective operation of partial nitrification and anaerobic ammonium oxidation (PN-Anammox) reactors. An observation and analysis on the composition of immobilized granular sludge in each reactor was conducted by using scanning electron microscopy (SEM) and fluorescence in situ hybridization. It was indicated that the diversity of ...


    By IWA Publishing

  • Pharmaceuticals in the environment – global occurrences and perspectives

    Pharmaceuticals are known to occur widely in the environment of industrialized countries. In developing countries more monitoring results have recently become available, but a concise picture of measured environmental concentrations (MECs) is still elusive. Through a comprehensive literature review of 1016 original publications and 150 review articles we collected MECs for human and veterinary ...


    By John Wiley & Sons, Ltd.

  • Modeling fish production for Southern California's petroleum platforms

    California's oil platforms are nearing the end of their productive lives, and therefore will be decommissioned in the near future. These structures have been shown to be important habitat for both settlement and growth for reef fishes. Important information on the biological effects (i.e. loss of biomass and production) of different decommissioning options has not yet been explored in detail. ...


    By John Wiley & Sons, Ltd.

  • CO2 Removal and Stripping Column Ventilation Rate at Bell Aquaculture

    Monitoring and controlling CO2 level in Recirculating Aquaculture Systems (RAS) is crucial not only for fish health but it is used increasingly for efficient management. Under supervision of Steve Summerfelt, a joint project has studied costs savings with optimizing ventilation based on CO2 continuous monitoring. The CO2 probe used in that project came from ...


    By Franatech GmbH

  • Forecasting fish biomasses, densities, productions, and bioaccumulation potentials of Mid‐Atlantic wadeable streams

    Regional fishery conditions of Mid‐Atlantic wadeable streams in the eastern United States are estimated using the BASS bioaccumulation and fish community model and data collected by the U.S. Environmental Protection Agency's Environmental Monitoring and Assessment Program (EMAP). Average annual biomasses and population densities and annual productions are estimated for 352 randomly selected ...


    By John Wiley & Sons, Ltd.

  • Bisphenol A reduces fertilizing ability and motility by compromising mitochondrial function of sperm

    Bisphenol A acts as an endocrine disruptor, affects animal reproductive success in vivo, and affects sperm functions in vitro at environmentally relevant concentrations leading to reduction in sperm motility and fertilizing ability in fish. The effect of in vitro BPA on avian sperm functions has not been explored. We tested the effect of environmentally relevant concentrations of BPA (0, 0.18, ...


    By John Wiley & Sons, Ltd.

  • Benzoylurea pesticides used as veterinary medicines in aquaculture: Risks and developmental effects on non‐target crustaceans

    Diflubenzuron and teflubenzuron are benzoylureas that are used in aquaculture to control sea lice. Flubenzurons have low toxicity to many marine species such as fish and algae, but by their nature are likely to have significant adverse effects on non‐target species such as crustaceans and amphipods. Although the exact mechanism of toxicity is not known, these compounds are thought to inhibit ...


    By John Wiley & Sons, Ltd.

  • Animation: restoring eroded coast Java by Building with Nature

    Northern Java's coasts suffer from severe erosion. In one decade, some coastal areas have retreated by three kilometres. Developmnet of coastal infrastructure and aquaculture went hand in hand with the removal of protective mangrove forests and the disturbance of sediment flows towards the coast and floodplains. Replanting of mangroves has not been successful, as the sediment balance is too ...


    By Wetlands International

  • Monitoring greenhouse gases from biofuel crops

    Global issues such as climate change and energy security have driven rapid growth in renewable energy production - wind, solar, tidal, geothermal, hydro, biofuels etc. However, logically, each of these methods should deliver a net benefit in terms of greenhouse gas (GHG) reduction, so researchers in the United States have employed portable FTIR analysers to study the GHG emissions of biomass ...


    By Gasmet Technologies Oy

  • We only have one Earth, so we better start taking care of it.

    Clocks are ticking, and the only planet we have to live on is changing right before our eyes. What are we going to do about it? We are all connected. Farmer or finance minister, president or plumber, we share the same home — this single, living planet. It’s the only home we have. And from my perspective it’s in dire need of attention. ...


    By Ensia

  • Synthetic estrogen directly affects fish biomass and may indirectly disrupt aquatic food webs

    Endocrine‐disrupting chemicals are known to alter the fitness of individual organisms via changes in growth, behavior, and reproduction. It is largely unknown, however, whether these effects cascade through the food web and indirectly affect other, less sensitive organisms. The authors present results from a mesocosm experiment whereby the effects of the synthetic estrogen 17α‐ethinylestradiol ...


    By John Wiley & Sons, Ltd.

  • Extraction of brominated flame retardants

    Customer: CEFAS, location; Lowestoft, East Anglia, UK CEFAS - Ihe Centre for Environment, Fisheries and Aquaculture Science - makes an important contribution to securing healthy and sustainable marine and freshwater environments so that current and future generations can prosper. As the UK's most diverse applied marine science centre, they help to shape and implement policy through their ...


    By BÜCHI Labortechnik AG

  • State of the Art Information on Mangrove Ecosystems in Indonesia

    Status and Trends of Mangroves in Indonesia GENERAL CONDITION OF MANGROVES IN INDONESIA Indonesia is a tropical archipelago with coastlines measuring a total length of 95,181 km, making it the country with the fourth longest coastline in the world (EarthTrends WRI, 2003, and Rompas, RM.2009). All along the coast are the estuaries of ...


    By Wetlands International

  • Hexabromocyclododecane in consumer fish from South China: Implications for human exposure via dietary intake

    Levels of hexabromocyclododecane (HBCD) were determined in 12 consumer fish species from South China. The concentrations of the sum of HBCD diastereoisomers (ΣHBCD) ranged from nondetectable to 194 pg/g wet weight, with a detectable frequency of 70%. This was at the low end of the concentration range globally observed. Carnivorous fish species contained higher HBCD concentrations than herbivorous ...


    By John Wiley & Sons, Ltd.

  • Old and new knowledge combine to protect Fiji`s fish

    Efforts to protect precious marine biodiversity by combining science and local knowledge are difficult but can work, reports Naomi Antony. Along the coastline of Fiji, threatened fishing communities have been combining the ancient and the new in their fight to conserve precious marine resources. Together with traditions remembered from centuries ago and community approaches ...


    By SciDev.Net

  • Aquaculture case study

    Customer: USDA-ARS Catfish Genetics Research Unit,USA Casey C. Grimm from the Southern Regional Research Centre New Orleans, USA. This research was executed by Ph.D. Paul V. Zimba from the USDA-ARS Catfish Genetics Research Unit, USA and Casey C. Grimm from the Southern Regional Research Centre New Orleans, USA, utilizing the LG Sonic ultrasound technology in channel catfish production. An ...


    By LG Sonic

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