Tuesday, February 15, 2011

Vegetables can replace much of fish ingredients in feed

The AquaMax international project has determined that vegetable ingredients can replace a large portion of the fish proteins and fish oil used in farmed salmon and salmon trout feeds without sacrificing the products’ health benefits. The project is a collaboration between 33 partners from 14 countries and was headed by the National Institute of Nutrition and Seafood Research (NIFES).

The researchers found that 70 percent of the fish oil and 80 percent of the marine proteins in conventional feed can be substituted with vegetable ingredients without harming fish health.

“We know we risk losing some of the beneficial marine omega-3 fatty acids in fish fat by altering the feed composition,” noted Project Coordinator Øyvind Lie, director of NIFES. “Compared to vegetable sources, however, those same marine ingredients may contain more pollutants such as dioxins, PCBs and brominated flame retardants.” Read more ...

This blog is written by Martin Little The Aquaculturists, published and supported by the International Aquafeed Magazine from Perendale Publishers.

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