Application of bioprocessed peptides (fish protein hydrolyzed) in the diet of farmed fish with emphasis on sturgeon

Document Type : Tarvij

Authors

1 Member of the academic staff of the Organization of Agricultural Research, Education and Promotion

2 Member of the academic staff of the Organization of Agricultural Research, Education and extention

Abstract

Aquaculture is the fastest growing food production sector in the world and fishmeal that provides the best amino acid for fish requirement is considered as an optimal protein source.Today in the world, a large amount of fish waste is produced by fish processing and fishery companies every year, which includes 60% of the biomass. These waste materials can be converted to valuable products such as hydrolyzed protein or fish silage by different proteolytic enzymes or acidic and chemical methods. fish protein Hydrolysate is actually waste material processed into peptides from skin, head, muscles, viscera, liver, and bones, which have desirable functional and bioactive peptides. Many studies have shown that the middle amount of fish protein Hydrolysate lead to improves growth, feed efficiency, immune functions and disease resistance in aquatic animals. On the other hand, fish protein Hydrolysate can reduce of skeletal abnormalities and efficient adaptation of larvae to artificial diet and reduce of costs of live feed production. Recent investigation in Sturgeon Research Institute have shown, 6 to 10% of fish protein hydrolyzed inclusion in juvenile sturgeon lead to growth improve and immune system.

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