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David Scarratt

The people of the village of San Bartolommeo de Acopalca own this fully vertically integrated rainbow trout hatchery and growout farm in the Andes. more

Mar 29, 2017 9:39 AM Profiles

Dr Dallas Weaver and colleagues have built, tested and installed a denitrification system geared to service multiple RAS systems while maintaining biosecurity. more

Mar 2, 2017 2:34 PM Recirc

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sirastudio

Nick King of the Fish Vet Group, Portland, Maine, outlines a series of steps best followed in setting up a health management /risk analysis program. more

Mar 2, 2017 2:18 PM Husbandry

To fulfill the demand for glass eels in aquaculture artificial breeding is essential in order to conserve wild eel populations. more

Feb 12, 2016 11:32 AM Research

The commercially popular black sea bass is harvested in coastal waters of the US Atlantic coast, and is an important candidate for intensive aquaculture, possibly in low salinity recirculating systems. more

Jan 29, 2016 11:50 AM Research

The development of cost-effective, off-the-shelf micro-algal pastes has offered farmers another option for enriching live feeds. more

Oct 26, 2015 4:51 AM Husbandry

The effect of differing levels of oxygen saturation on growth and metabolic rate of Arctic charr more

Oct 18, 2015 10:05 AM Research

Norwegian researchers study effects of above-optimum concentrations of CO2 on post-smolt Atlantic salmon. more

Aug 17, 2015 11:05 AM Husbandry

Marisland – Madeira Mariculture Lda. – based in Funchal on the island of Madeira converts its marine hatchery to meet requirements for organic production. more

Jul 14, 2015 11:29 AM Husbandry

Using ultrasonography in the hatchery can confirm which fish have the largest testes allowing more efficient use of the neo-male population, and allow a more precise knowledge of when a female ovulates thereby avoiding over-ripening. more

Jun 4, 2015 11:07 AM Research

New biotechnological advances in metabolomics promise to revolutionize the way we assess and solve bottlenecks in hatchery production and other aquaculture sectors. more

Mar 24, 2015 4:22 PM Research

Although spawning chi drum in captivity (using hormonal induction) was only achieved in 2009, a group of scientists from the Centro Oceanografico de Murcia has been able to spawn the chi drum naturally. more

Mar 4, 2015 3:02 PM Research

Converting saline sludge (from marine and brackish re-circulating systems) to bio-methanecould reduce waste sludge volume significantly and at the same time generate an energy source for the RAS. more

Dec 23, 2014 2:15 PM Recirc

Norwegian researchers examine the performance of salmon smolts reared in tanks versus fish from the same cohort reared in sea cages. more

Dec 6, 2014 12:00 AM Research

Norwegian researchers investigate how repeated handling for grading, vaccination, sorting and transport leads to problems later when the fish go to sea. more

Dec 5, 2014 12:00 AM Research

Henrik Grundvig from the Teknologisk Institute in Oslo, Norway and colleagues are conducting field trials on a new low-pressure air diffuser system for outdoor ponds and raceways and tanks in large recirculation systems. more

Oct 11, 2014 11:52 PM Recirc

Electrochemical oxidation is a process that uses electrical pulses to create nitrogen gas directly from aqueous ammonia. more

Aug 14, 2014 2:31 PM Recirc

At the Second Workshop on Recirculating Aquaculture Systems (RAS) held in Aalborg, Denmark last October, several papers specifically addressed the subject of off-flavours, two are reported on here. more

Jan 3, 2014 9:54 AM Recirc

At the warm water fish culture conference held at Mt. Magazine State Park, Arkansas, Kelly Winningham, Arkansas Game and Fish Commissions’ Andrew Hulsey Fish Hatchery, described experiments to improve spawning success of Florida largemouth bass. more

Nov 5, 2013 1:59 PM Profiles

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