News features and technical articles about the evolution of aquaculture, one of the world’s fastest growing industries.



Plant lipid, protein use in cod, salmonid diets

Since camelina and flaxseed oils contain more omega-3 polyunsaturated fatty acids (PUFAs) than most plant oils, the authors investigated them as replacements for fish oil in diets for cod, salmon and trout. 

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Off-flavors in aquaculture products, part 3

Off-flavor compounds produced by low-molecular-weight amine compounds present in fish are degraded into ammonia or other nitrogenous compounds during storage. 


Enzymes in seafood, part 2

The most important factors in the loss of quality in seafood are nucleotide catabolism and glycolysis. The rates and pathways of nucleotide degradation vary with species and muscle type. 


Lipid nutrition of farmed tilapia

The optimum dietary lipid level for tilapia ranges from 10 to 15 percent. Various vegetable oil products show prom­ise as replacements for fish oil in feeds.