Welfare

Fish do not feel pain the way humans do. That is the conclusion drawn by an international team of researchers consisting of neurobiologists, behavioural ecologists and fishery scientists. One contributor to the landmark study was Prof. Dr Robert Arlinghaus of …

Speaking at Aquaculture Europe 2013, in Trondheim, Norway, Lars Gansel, SINTEF, dicussed how biofouling affects aquaculture net cages. As part of the investigation, the effect of different types and amounts of fouling on nets was recorded, allowing a database …

The San Pedro (also known as the Pacific beakfish), Oplegnathus insignis, is a species of perciform fish found in the eastern Pacific Ocean. In northern Chile, San Pedro are an important food fish currently being evaluated for aquaculture. The purpose of this …

Terrestrial livestock are so different that they often have nicknames, but thousands of farmed fish look so similar that many are surprised to learn that biologists claim that fish may have different personalities too. Scientists at Nofima have studied the ind…

Benzocaine, 2-phenoxyethanol and MS-222 were tested as anaesthetics for several handling procedures with spotted rose snapper broodstock. Significant differences in time for induction and recovery were found with specific doses, as well as a direct correlation…

Research by Nelson Pea Navarro of the University of Costa Rica (UCR), has showed that some natural products can be substitutes for antibiotics in disease control of farmed shrimp. These natural alternatives can also increase production and maximise profits and…

Ten generations of domestication selection has caused farmed Atlantic salmon Salmo salar L. to deviate from wild salmon in a range of traits. In this study, the effects of environmental stress on mRNA expression levels of seven genes related to oxidative stres…

This factsheet published by the Southern Regional Aquaculture Center (SRAC) gives information on stress and its role in fish disease.