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Salmon genes can give more omega-3

The scientists believe the level of omega-3 in the salmon we eat is determined by a combination of the salmon’s genes and the feed it eats.
There is less omega-3 in the fillet when salmon are fed plant-based feed. However, the scientists know that salmon have a certain capacity to convert omega-3 fatty acids from plant oil to marine omega-3. They will now receive help from the salmon’s genes to increase this capacity.

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Marinades and shelf life

A combination of packaging with CO2 and marinating gives the best shelf life, concludes Bjørn Schirmer.
Bjørn Schirmer has been investigating how antimicrobial substances found in fruit, spices and herbs can be used in marinades to increase the shelf life of meat and fish. That was when he came across Lactobacillus algidus.

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Better analytical tools needed for marine oils

Gjermund Vogt at Nofima Mat believes the standardised analytical tools for fish oils are not up to standard for checking the quality of the omega-3 products on the market.
Just half of the 113 omega-3 products to undergo quality checks in a research project could be analysed with approved analytical tools. Consequently, the quality of the remaining oils on the market remains unknown.

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Multifactorial diseases

The goal is a spotless and healthy salmon
Disease in salmon is caused by a number of factors in combination, including many micro-organisms, various environmental influences, aquaculture conditions and incorrect nourishment. If one is ignorant of the factors which contribute to the development of diseases and their relative importance, it is difficult either to prevent them or treat them.

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Mould and cured meats

A common quality problem among many cured meat producers is the growth of mould.
Dereje T. Asefa, National Veterinary Institute, Ragnhild O. Gjerde, Grilstad, Mohamed K. Abdella, Animalia, Cathrine F. Kure and Solveig Langsrud, Nofima Mat, Truls Nesbakken, Norwegian School of Veterinary Science, Maan S. Sidhu, Animalia and Ida Skaar, National Veterinary Institute. Source: Go’Mørning.

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