Aquafeeds
Finding value in feed size, right down to the rotifers
To raise yellowtail and bluefin tuna, a progressively larger feed is required as the fish grow. Japanese researchers are looking to fill the gaps.
Fisheries
Conservation groups: No time for tepid action on tuna
Compiled by Conservation International and other technical agencies, a recent report quantifies the impact of climate change on tuna fisheries.
Intelligence
Aquaculture 2019: Triennial meeting examines global industry status
The triennial Aquaculture 2019 meeting – which also celebrated the 50thanniversary of the World Aquaculture Society – featured all segments of the aquaculture value chain during 104 technical sessions.
Innovation & Investment
Tuna aquaculture: Fishing for progress
Aquaculture could be a sustainable alternative to fishing for tuna but achieving commercial-scale production has proven challenging.
Intelligence
Public opinions pose barriers for tuna consumption
Safety and sustainability are key concepts affecting consumers’ decisions on tuna consumption. Although the benefits of consumption exceed the potential negative effects, tuna’s harmful attributes tend to negatively impact purchasing in at-risk groups.
Health & Welfare
Achotines laboratory home to continuing studies of tuna early life history
The Inter-American Tropical Tuna Commission Achotines Laboratory in southern Panama is the world’s only facility with nearly year-round availability of tuna eggs and larvae. A study is comparing the reproductive biology, genetics and early life history of yellowfin and Pacific bluefin tuna.
Intelligence
Spanish trials address transport of wild juvenile tuna for ongoing study
In work on the nutrition and feeding aspects of bluefin, the authors utilize wild juvenile tuna that are adapted to culture conditions in sea cages.
Intelligence
Tuna ranching in Baja California, Mexico
Tuna fleet relocation hurt Ensenada, Mexico. The response was bluefin tuna ranching, in which wild fish are caught and stocked into floating pens where they are fed until market size.