Method for breeding control in female bovines

Details Method for breeding control in female bovines Method for breeding control in female bovines

1984-08-06

1986-09-09

Griffin, Ronald W.

Surgery

Controlled release therapeutic device or system

Implanted dynamic device or system

604 55, 514169, 514170, 514173, 514841, A61K 922, A61K 31557

Patent

active

046106871

ABSTRACT:
A method for reducing the time to estrus onset and duration of estrus in female bovines, is described. The method involves a sustained low level release of progestin over time with injection of a luteolytic agent, particularly a prostaglandin, towards the end of the time such that there is an overlap of progestin and prostaglandin administration. The sustained release is preferably by means of a vaginal implant. The method is faster and easier to use than prior art methods.

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patent: 4014988 (1977-03-01), Pharriss et al.
patent: 4018919 (1977-04-01), Black
patent: 4372951 (1983-02-01), Vorys

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