Algal oil shows promise as fish-oil substitute in feed for young salmon

Algal oil can replace fish oil in the feed of farmed Atlantic salmon parr without affecting their growth or ability to transition to seawater.

Untitled design

Algal oil shows promise as fish-oil substitute in feed for young salmon

Industry Views

PHQweb Mycobacteriosis 275017732

Mycobacteriosis could prove growing problem in aquaculture

Intensification of aquaculture and domestication of wild species are leading to an increased prevalence of mycobacteriosis in farmed aquatic invertebrates, according to a review of the disease’s emergence by an international team of researchers.

PropVacc ExAd article

Why fish vaccines are increasingly coming in smaller doses

An interview with Dr Bjørn Brudeseth, PhD, PHARMAQ

PHQweb PHN VVitalini finfish

Pathologies in Mediterranean finfish: Causes and control strategies

By Valerio Vitalini, MSc
Aquaculture consultant, Rome, Italy

PHQweb  Antibiotic use SEAsia 207645485

Debate on antibiotic residues in shrimp farming masks broader concerns

There is global concern about antibiotic residues in farmed food products — and the potential economic damage of import bans resulting from exceeding regulatory limits is huge.

PHQweb Microplastics 289985981

Microplastics harbor pathogens affecting farmed seafood

There is growing evidence that microplastic pollution in seawater could serve as reservoirs for pathogens in aquaculture, according to a University of Exeter review of current evidence in this emerging field.

PHQweb China vaccine 319423369 sr2

China making up for lost time in aquatic vaccine development

China is now responsible for over 70% of global farmed-fish production. Finding appropriate responses to fish disease has not been as rapid, researchers from Huazhong Agricultural University acknowledged — but new options in development suggest that the nation is fast catching up.

PHQweb Prophylactic 40060890

Why prophylactic use of antibiotics poses a problem for aquaculture

Aquaculture needs to change its “widespread and unrestricted” use of prophylactic antibiotics and accelerate the move toward vaccination and more sanitary practices globally, according to Felipe C. Cabello, MD, professor emeritus of microbiology and immunology at New York Medical College.

FHFweb Ctenolabrus rupestris orkney

Cleaner-fish health risks highlighted as use in aquaculture rises

Cleaner fish have proved an effective alternative method of sea louse control — but their widespread introduction brings with it a new threat of pathogens and parasites, and available treatments are falling short of requirements.