Time
Category
Search by keywords: oxygen
Breeding breakthrough for tilapia in low oxygen systems Tilapia breeders who aim to produce fish that cope well in aquaculture systems with low dissolved oxygen levels should consider a two-stage selection programme.
20/07/2021
Can nanobubbles and ultrasound beat disease bacterial issues in RAS? Oxygen-filled nanobubbles combined with ultrasound can reduce levels of pathogenic bacteria including Vibrio parahaemolyticus and Aeromonas hydrophila in RAS
17/11/2020
Trà Vinh expands lucrative high – tech shrimp farming Shrimp growing ponds are covered with anti-sun nets and plastic sheets on the bed, and are also equipped with oxygen generating facilities.
21/10/2020
A Guide to Recirculation Aquaculture - Part 2 In a recirculation system it is necessary to treat the water continuously to remove the waste products excreted by the fish, and to add oxygen to keep the fish
11/05/2020
Israeli firm’s ‘plug-and-play’ RAS solution attracts investment Despite the global growth in popularity of land-based aquaculture, two major challenges remain for recirculating aquaculture systems (RAS)
24/04/2019
A look at unit processes in RAS systems While ammonia-nitrogen build-up can severely reduce a recirculating system’s carrying capacity, the maintenance of adequate dissolved oxygen (D.O.) concentratio
20/02/2019
Ich (White Spot Disease) - Part 2 The shear numbers of Ich organisms covering the gills also causes a mechanical blockage of oxygen transfer.
09/11/2018
Dissolved oxygen dynamics Prof. Boyd: Proper management most important aspect of aquaculture pond water quality management
04/10/2018
Effective management avoids gas bubble trauma Aerators that splash water into the air can lessen afternoon supersaturation with dissolved oxygen caused by a high rate of photosynthesis.
26/07/2018
Effects of mechanical aeration on evaporation rate, water temperature Restricting use to periods when oxygen supplementation is needed can conserve water, lessen energy use. Effects of mechanical aeration on evaporation rate
30/06/2018