Progesterone Information
This a chart provided by IDEXX. We would like to minimize misses by using progesterone testing to determine ideal breeding days.
Below 1.0ng/ml -
1.0 to 2.0 ng/ml  -  
2.0 to 4.9 ng/ml -

5.0 ng/ml -

5 to 6 ng/ml -
6 to 11 ng/ml -
11 to 19 ng/ml -
OVER 19 ng/ml -
No ovarian activity.  ACTION:  Test every 3 or 4 days
Rise indicates active ovary.  ACTION:  Test in 2 or 3 days
Active ovary.  ACTION:  Test every 24 hours until you reach 5.0

OVULATION

ACTION:  Breed in 2 to 3 days
ACTION:  Breed in 1 to 2 days
ACTION:  BREED TODAY
ACTION:  BREED IMMEDIATELY - if vaginal smear is okay and bitch is still receptive.  This is considered LATE if you still have to ship semen.  Hope for the best!