Nutrition

For years, the copepod, Metridia, has managed to remain hidden from science. However, this spring, during fieldwork at the Arctic Station, for the very first time researchers succeeded in filming how this constantly feeding little crayfish catches its prey.

US feed grain supplies for 2011/12 are projected higher this month, with higher beginning stocks and production for corn, according to the latest report from the USDA Economic Research Service.

The technology gap with aquaculture in New Zealand continues to widen as the country slides further behind the rest of the world in terms of growth in this sector, writes Peter Hutchinson for Aquaculture NZ.

Researchers from Kentucky State University and the Aquaculture Research Centre look at the use of soybean and yeast meal as an alternative feed for tilapia.

US corn production is still expected to be a record this year but the current forecast is for historically tight global coarse grain stocks, according to the latest report from the USDA Economic Research Service.

Interest in the production of Australian red claw has increased over the past few years and the species is commercially cultured in several countries including China, Mexico and Australia. Researchers from Kentucky State University, Aquaculture Research Centre…

Even though lupin seeds are rich in proteins, their use in fish feed has been limited partly because of the bitter taste and lack of knowledge about how high levels of lupin the fish tolerates.

Tight markets and record prices are set to continue in 2011/12, according to Thomas Capehart and Edward Allen in the latest report from the USDA Economic Research Service.

Deshelled krill meal in salmon feed gave a better growth rate and digestibility of nutrients in salmon compared to whole krill. Deshelling also result in lower content of fluoride and will thereby make krill more suitable in salmon feed.