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Categories: Breeding

Q. Is there a blood test for females who have been bred, to see if the bitch actually got pregnant?
Is there a blood test for a female who has been bred to see if the bitch is pregnant?

A. The best test is an Ultra-Sound. This can be done at 20 days, but at 45 days the vet can tell you the number of pups. my vet charges $45.00 for this. My advise is to find a vet who has an Ultra-Sound. It’s worth a hour or twos drive to verify that the bitch is pregnant.

Direction for test procedure:
  1. Collect blood in EDTA purple top tube.
  2. Spin blood - after putting in QBC Venous vet tube.
  3. Put in Idexx fibrinogen precipitator for 5 minutes.
  4. Spin blood again.
  5. Put in QBC auto reader after changing to dog fibrinogen option.
Fibrinogen test results:

Small to medium dogs:
  • >300 Probably pregnant
  • 275-300 Questionable
Large breed dogs:
  • <280 Probably not pregnant
  • 290-325 Questionable
  • >325 Probably pregnant
Have your vet draw blood between the 27th and 28th or 29th day.
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