申请人:BASF Aktiengesellschaft
公开号:US04510146A1
公开(公告)日:1985-04-09
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.
含有化合物Ia或Ib的动物饲料和饮料,其中化合物Ia或Ib的公式为##STR1##其中R.sup.1是氢,低分子量烷基或烷氧基或卤素,R.sup.2是氢或低分子量烷基,而R.sup.3和R.sup.4是氢或低分子量脂肪族或芳基脂肪族基团。化合物Ia和Ib促进生长,而不产生抗生素作用。