Preparation and use of methionylmethionine as feed additive for fish and crustaceans

摘要

An animal feed mixture containing DL-methionyl-DL-methionine and salts thereof for animals kept in aquacultures is provided. Methods for preparing DL-methionyl-DL-methionine of formula (I);
and methods to fractionate the diasteriomeric forms obtained are also provided.

主权项

1. A feed mixture, comprising from 0.01 to 5% by weight DL/LD methionylmethionine pair of enantiomers or a salt thereof wherein the DL/LD methionylmethionine pair of enantiomers is the only methionyl-methionine pair of enantiomers in the feed mixture;
protein and carbohydrate-obtained from a meal selected from the group consisting of fish meal, soybean meal, corn meal, and mixtures thereof, and, optionally, a supplement selected from the group consisting of an essential amino acid, a protein, a peptide, a vitamin, a mineral, a carbohydrate, a fat, an oil and a mixture thereof, wherein the feed is for fish and/or crustaceans farmed in an aquaculture.