Welfare

With an annual value of about 7.3 million saithe(Pollachius virens) is, by weight, the seccond mostabundant demersal species landed by the Scottishfleet.

The sea lice parasite is the greatest disease problem facing the Norwegian aquaculture industry. But help may be on its way an army of 15 million lice-eating Ballan wrasse, according to the Research Council of Norway.

Knowledge of the development and function of fatty tissue in fish has until recently been relatively scarce. A high quantity of fat around the guts means production loss at slaughter, and may also influence fish health. There has therefore been an increasing d…

This article from the University of Louisiana looks at the stocking of crawfish including species and size, stocking dates, habitat and handling.

Every year, large amounts of hatchery-raised young salmonids are released into Swedish rivers and streams to compensate for losses in natural production. However these fish rarely survive. The University of Gothenburg has discovered why: the young fish are too…

Dr Gina Conroy, an aquaculture adviser and consultant to a number of large organisations, looks at the prevalence of streptococcus species in Latin America and their pathological manifestations.