FEED ADDITIVE FOR FISH Russian patent published in 2015 - IPC A23K1/00 

FIELD: agriculture.

SUBSTANCE: additive comprises Halobacterium halobium cells and salts of ethylenediaminetetraacetic acid, at that Halobacterium halobium cells are contained in the additive as a sterile dry biomass obtained when their cultivating and subsequent dehydration of the culture liquid containing these cells. The ingredients are contained in the feed mixture in the following concentration, wt %: Halobacterium halobium cells in the form of a dry sterilised biomass - 10-20, salts of ethylenediaminetetraacetic acid 5-10, feed mixture - the rest. At that in case, if the feed does not contain vitamin A, the ingredients in the feed mixture are taken in the following ratio, wt %: Halobacterium halobium cells in the form of a dry sterile biomass - 18-20, salts of ethylenediaminetetraacetic acid - 5-10 , feed mixture - the rest.

EFFECT: use of the invention enables to influence positively on biological indicators of grown fish, and to protect the fish body from the exposure to heavy metals.

2 cl, 3 tbl