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Oestrous Cycle - Anatomy & Physiology (view source)
Revision as of 10:19, 11 September 2008
, 10:19, 11 September 2008→Oestrous Cycle
=== Oestrous Cycle ===
=== Oestrous Cycle ===
* The domestic sow is generally polyoestrous, but the wild pig is a seasonal breeder with the main breeding season occuring in autumn with another peak in April.
* There is some influence of photoperiod on reproduction in the domestic sow.
** Anoestrus occurs more commonly in summer and less commonly in February.
=== Cyclic Changes in the Ovaries ===
=== Cyclic Changes in the Ovaries ===