USE OF ASPARTIC ACID DERIVATIVE FOR PREPARATION OF FEED ADDITIVE FOR ANIMALS Russian patent published in 2022 - IPC C07K5/62 C07C229/24 A23K10/00 A23K20/142 

FIELD: agriculture; animal husbandry.

SUBSTANCE: use of an aspartic acid derivative having a structure represented by the formula (I) or its racemate, stereoisomer, geometrical isomer, tautomer, solvate, or feed-acceptable salt is disclosed,

where R¹ is -H; R² is R^2aC(=0)-; R^2a is (A)(B)N-(CH₂)_0-5-, A and B are -H, and Y and X are independently selected from C₁-C₄ alkyl or -H. The invention is used for preparation of a feed additive and feeds for agricultural animals for increasing productivity.

EFFECT: use of an aspartic acid derivative or its racemate, stereoisomer, geometrical isomer, tautomer, solvate, or feed-acceptable salt provides an increase in feed digestion, increase in weight gain in an animal, improvement of meat quality.

10 cl, 8 tbl, 6 ex