- Ovulation in the presence of a functioning corpus luteum, without signs of estrus, is relatively common in cycling mares.
- Diestral ovulations may occur between days 2 and 15 of the luteal phase.
- These ovulations are frequently detected if mares in diestrus are examined regularly.
- Ovulation during diestrus can prolong diestrus.
- Prolonged diestrus.
- Good → excellent.