| 摘要 |
A process for increasing productivity in healthy animals comprising the administration of a compound of the formula <IMAGE> Formula I wherein X and Y, which may be identical or different, are 2,3-dimethylphenyl, 2,4-dimethylphenyl, 2,6-dimethylphenyl, 2,4,6-trimethylphenyl, 2,4,5-trimethylphenyl, 2,3,4-trimethylphenyl, 2-methyl-4-halophenyl, 2-ethyl-4-halophenyl, 2-halo-4-methylphenyl, 2-halo-4,6-dimethylphenyl, 2,4-dihalo-6-methylphenyl, 2-methyl-4-methoxyphenyl, phenyl or methyl-phenyl, provided that (a) when X and Y are identical, they are not phenyl or methylphenyl and (b) when X and Y are different, at least one of them is 2,3-dimethylphenyl, 2,4-dimethylphenyl, 2,4,6-trimethylphenyl, 2,3,4-trimethylphenyl, 2-methyl-4-halophenyl or 2-halo-4-methylphenyl or a pharmacologically acceptable acid addition salt thereof in association with the animal's feed, water, salt ration, or pharmacologically acceptable carrier. Compositions comprising a compound of the above formula for daily administration or long acting forms are disclosed.
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