| 摘要 |
<p>Steroid compsns. for use in animal husbandry comprising 3-oxo-17 beta-hexahdrobenzyloxycarbonyloxy-oestra-4,9, 11-triene or 3-oxo-17 beta-n-pentyloxy-oestra-4,9,11-triene and an oestrogen of formula (I) (where R1 is H, 1-5C alkyl or 3-7C cycloalkyl; A is H or 1-4C-beta-alkoxy; R is 1-4C alkyl; X1 is H or acyl (carboxylic, aliphatic carbonic or 1-10C cyclonic acid); Y is H, Me, ethynyl or haloethynyl), are growth promoting, compsns, for use in cattle and pigs, which do not upset the hormonal balance in the animals and which improve the quality of the meat.</p> |
