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Oestrous Cycle Pharmacological Manipulation - Anatomy & Physiology (view source)
Revision as of 12:49, 12 September 2008
, 12:49, 12 September 2008→Controlling Oestrous
=== Controlling Oestrous ===
=== Controlling Oestrous ===
* The main reasons for controlling oestrus are:
** Induction of oestrus in dairy cows that are not observed in oestrus by 45 days post-partum.
** Synchronization of groups of heifers for insemination with semen of 'easy calving' bulls.
** Reducuction in the time necessary for oestrus detection.
** To facillitate the use of artificial insemination.
** Synchronization of donor and recipient cows for embryo transfer.
** Induction of ovarian activity in beef cows with lactational anoestrus.
=== Pharmacological: Gonadotrophins ===
=== Pharmacological: Gonadotrophins ===