Water quality

To maintain healthy ecosystem in aquaculture ponds and hatchery tanks bioremediation is the best biotechnology process, says Dr A. Venkateswara Rao, technical manager for Neospark Drugs and Chemicals. Pathogens as well as immunity suppressive agents can be eli…

The fibrous threads helping mussels stay anchored in spite of waves that sometimes pound the shore with a force equivalent to a jet liner flying at 600 miles per hour are more prone to snap when ocean temperatures climb higher than normal.

Oxidants are used in aquaculture as disinfectants or to enhance water quality. Hydrogen peroxide and sodium carbonate peroxyhydrate can be sources of dissolved oxygen in emergency situations where mechanical aeration is not possible, writes Claude E. Boyd, Aub…

Pharmaceutical drugs that end up in the world's waterways after being excreted, flushed and treated at wastewater treatment plants may lead to unexpected ecological impacts, according to a new study of wild European perch. Tomas Brodin and colleagues from Ume …

Roy P.E. Yanong, University of Florida IFAS extension, discusses the fish health management in recirculating aquaculture systems. As Part 2 of a three part series, this article looks at the role of pathogens (potential disease-causing organisms) in recirculati…

Roy P.E. Yanong, University of Florida IFAS extension, discusses the fish health management in recirculating aquaculture systems. As Part 1 of a three part series, this article gives and introduction to management including biosecurity and water quality.

A study led by Dong-Fang Deng, Oceanic Institute, Hawaii, USA has investigated the effects of storage temperature and duration on the quality of finished fishmeal fed to juvenile shrimp. Results found that although the fishmeals stored at 30 had less crude pro…

Ruth Francis-Floyd, University of Florida IFAS extension looks at successful fish health management. The document provides and introduction to disease, the types of fish diseases and what to do if fish are sick.