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Oestrous Cycle Pharmacological Manipulation - Anatomy & Physiology (view source)
Revision as of 12:57, 12 September 2008
, 12:57, 12 September 2008→Control in the Transition Period
=== Control in the Transition Period ===
=== Control in the Transition Period ===
* Day length is an important stimulus for cyclicity.
* Aim is to simulate the natural photoperiod that would occur later on in the year.
* Exposure to ~116 hours of daylight in mid-November can advance the first ovulation from early April to early February.
* Combining photoperiod manipulation with GnRH achieved optimal results.
=== Control in the Breeding Period ===
=== Control in the Breeding Period ===