Basf Aktiengesellschaft

Juergen Schole

Peter Lechtken

Axel Nuerrenbach

Hubert Tiefenbacher

Peter Paul Hoppe

Walter Kohler

A growth-promoting additive for feeds consists of a commercial growth promoter as well as an aminoreductone of the formula ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each hydrogen, methyl or ethyl and R.sup.4 is an unsubstituted or substituted C.sub.1 -C.sub.20 -alkyl or alkenyl radical or a radical of an aminoacid.

Mixtures which promote growth and increase production, and feeds and

Animal feeds and drinks containing small amounts of compounds of the formula Ia or Ib ##STR1## where R.sup.1 is hydrogen, low molecular weight alkyl or alkoxy, or halogen, R.sup.2 is hydrogen or low molecular weight alkyl and R.sup.3 and R.sup.4 are hydrogen or a low molecular weight aliphatic or araliphatic radical. The compounds of the formulae Ia and Ib promote growth without exerting an antibiotic action.

Growing community of inventors

Munich, Georgia

Juergen Schole