Abstract: The invention relates to a feed for aquatic species and crustaceans, in particular marine species and fry thereof. The feed described comprises proteins, lipids and additional, optional components, and is characterized in that the lipids are one or more marine oils and/or vegetable oils treated by urea and/or other amines or amides, to provent degradation due to oxidation (oxidative stress).

Abstract: This invention relates to a new pigment in feed for salmonids, a new feed comprising this pigment and use of this pigment. The pigment comprises a diester of predominantly (3R,3?R)-astaxanthin, cantaxanthin or other carotenoids that can be used for pigmentation of salmonids prepared with an omega-3 fatty acid and/or a short chain carboxylic acid. By this invention a pigment for feed to salmonids that is more or as stable as, and biologically more effective than free astaxanthin and previously known diesters of astaxanthin and commercially available astaxanthin and cantaxanthin products, is provided. The said diesters are also useful for enhancing the growth of farmed fish, as a growth-enhancing agent in feed for farmed fish, as an appetizer in feed for fish as well as for increasing the utilization of the feed for farmed fish, and for optimising health and well-being of farmed fish.

Abstract: Polyunsaturated fatty acids, as free fatty acids, fatty acid esters or fatty acid amides, especially EPA and/or DHA, DPC 9/02, are recovered from urea adducts, such as obtained as by-products in the processing of fish and other oils, by treatment with a subcritical or supercritical fluid.