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Normal Parturition - Anatomy & Physiology (view source)
Revision as of 08:49, 6 August 2008
, 08:49, 6 August 2008→Stage 1
=== Stage 1 ===
=== Stage 1 ===
* Lasts ~6 hours
* Relaxing of pelvic ligaments.
* Relaxing of pelvic ligaments.
* Mammary secretions change from transparent,honey-like to opaque, cellular colostrum.
* Mammary secretions change from transparent,honey-like to opaque, cellular colostrum.
* Body temperature subnormal by ~
* Body temperature subnormal by ~0.6◦C.
* Parturition will begin 12 hours after complete relaxation of the posterior borders of the sacrosciatic ligaments.
* Heifers may show signs of abdominal pain for up to 24 hours before the cervix is fully dilated.
* Occasional straining may occur.
* Picks at feed, irregular rumination
* 'Lowing'
* Kicking of the abdomen
* Restless, may stand with her back arched and tail raised.
** May go down and rise again frequently
* Pulse rate often increased to 80-90.
=== Stage 2 ===
=== Stage 2 ===