Aquafeeds
To raise yellowtail and bluefin tuna, a progressively larger feed is required as the fish grow. Japanese researchers are looking to fill the gaps.
Intelligence
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
Aquaculture could be a sustainable alternative to fishing for tuna but achieving commercial-scale production has proven challenging.
Intelligence
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
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
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 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.