Indazolyloxy propanolamines for improving livestock production

An important goal in animal husbandry is to develop biologically active agents which can increase the quantity and improve the quality of meat obtained from livestock animals. Disclosed is compound represented by Structural Formula (I), wherein Ring A, Ring B and Ring C are independently substituted or unsubstituted. R1 and R2 are independently a C1-C4 straight chained or branched alkyl group. Also disclosed is a method of increasing the quantity and improving quality of meat obtained from a livestock animal. The method comprises administering to the animal an effective amount of one or more compounds represented by Structural Formula (I).