Method for use of 11-lower alkyl steroids

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...

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424 81, 424243, A61K 1706

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039418804

ABSTRACT:
The method of controlling estrus and ovulation in female bovines by the administration of 11-lower alkyl steroids and 11-lower alkyl steroid compositions for use therein.
Drug delivery system for the controlled elution of 11-lower alkyl steroids comprising the steroid adsorbed in a copolymer of a monoester of an olefinic acid and a diester of an oelfinic acid. The method of controlling estrus and ovulation in female bovines by the implantation of said drug delivery system in the bovines, followed by removal at a predetermined period, alternatively augmenting the estrus response by administration of an estrogenic compound.

REFERENCES:
patent: 3499445 (1970-03-01), Reed
patent: 3565991 (1971-02-01), Short
patent: 3830907 (1974-08-01), Short
patent: 3857932 (1974-12-01), Shepherd et al.
patent: 3860701 (1975-01-01), Short
Fosgate, O. T. "Alteration and Control of Estrous Cycles in Bovines with analoss of Testosterone" Bull. Ga. Acad. Sci. 25:106-107 Apr. 20, 1967.

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