Aquaculture is an increasing growth market. As worldwide fishing methods have disturbed the balance in Nature, today around 25 per Cent of fish caught comes from aquaculture - with tendencies rising. Today, a whole range of aquaculture techniques use fills. For this purpose Hewitech has fills for nitrification and lamella for effectively retaining sludge.
By Hewitech GmbH & Co. KG based in Ochtrup, GERMANY.
The Aquaculture industry is one of the fastest growing segments in the agricultural industry accounting for over 1.13 billion dollars in the USA alone. However, this industry is suffering with several water quality challenges requiring sustainable aquaculture water treatment solutions to enhance fish health, and population yield while meeting environmental discharge regulations. The challenges facing aquaculture companies include emerging growth rates of specific bacteria and viruses, water usage, and environmental discharge regulations. Genesis Water Technologies can assist Aquaculture and Fish Farming operations to cost-effectively increase production through customized chemical-free aquaculture water treatment solutions designed to address the challenges they face on an ongoing basis to optimize cost, enhance fish yield and population size.
By Genesis Water Technologies, Inc. based in Maitland, FLORIDA (USA).
Crayfish is a very demanding species when it comes to the quality of water. One of the most important facts is the sufficient content of oxygen concentration in water. Actually the crayfish is just as demanding as salmonoids about oxygen content. During warmer seasons oxygen content of the water should be at least 5 mg/l (oxygen saturation at least 50 %). In the winter the crayfish can adapt to short periods with 2 – 3 mg/l content if all the other environmental conditions are favorable.
Crayfish basins are rather small usually, so Waterix AIRIT® Micro is an excellent choice. The device is lightweight but boasts exceptionally high operating efficiency and output. AIRIT® Micro ensures oxygen content throughout the crayfish basin is always in excess of 5 mg/l. This enables the crayfish maturity period to be perfect in respect to oxygen content.AIRIT® Micro can be used throughout the year or when the water starts to stratify.
By W-Rix Ltd based in Parainen, FINLAND.
Intensive use of extractive fishing is threatening important species and forces governments to impose temporary stoppages whilst the profitability of fishing fleets is decreasing and ship-owners are seeing their livelihoods threatened.
As a result of this and in order to satisfy the continually growing demand for fish to feed the world’s population, it has been necessary to breed different types of fish, crustaceans and molluscs in fish farms.
Fish larvae feed on multicellular microorganisms -Rotifera and Artemia-, which in turn require a balanced and natural feeding on microalgae. This is the only way to achieve healthy farmed fish which compare favourably with those found in the wild.
By AlgaEnergy, S.A. based in Alcobendas, SPAIN.
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