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11-20-2008, 03:41 PM | #1 |
YT Addict Join Date: Nov 2007 Location: Northern California
Posts: 387
| Question Regarding Releasing of Ovum During Heat Cycle How many days,on average, does a female Yorkie in heat release ovum? With multiple breedings/ties: If it is possible for some of the eggs to be fertilized on the first day and some to be fertilized on the last day of the eggs being released, won't some of the puppies be premature if born 63 days from the first tie?
__________________ Jenny &Rosie |
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11-20-2008, 05:52 PM | #2 |
YT 2000 Club Member Join Date: Oct 2006 Location: Virginia
Posts: 2,808
| Ovum are released all at once around day 10 of the cycle. They mature over a period of days and will live for a few days once matured. They can be fertilized over several days and by several males as well. Pups are born 63 days after ovulation. They implant at the same time and are rarely premature when whelped.
__________________ Tami |
11-20-2008, 06:22 PM | #3 |
YT Addict Join Date: Nov 2007 Location: Northern California
Posts: 387
| Thank you for the explanation. That makes sense to me!
__________________ Jenny &Rosie |
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