The Chronicle of the Horse
MagazineNewsHorse SportsHorse CareCOTH StoreVoicesThe Chronicle UntackedDirectoriesMarketplaceDates & Results
 
Results 1 to 6 of 6
  1. #1
    Join Date
    Apr. 8, 2011
    Location
    Carolinas/East Coast
    Posts
    97

    Default Harvesting eggs post-mortem

    Ok, so ET is not an option, would you/have you or do you know someone who has ever harvested a mares eggs (obviously the mare is VERY special) after death for freezing or fertilizing?

    What if the mare dies a natural death at some grand old age?

    And moneys no object.

    What places in the US do this or harvest before the mare passes?
    Disclaimer: I don't know everything, but I'm sticking to what I know and we'll go from there.



  2. #2
    Join Date
    Nov. 28, 2003
    Location
    MO
    Posts
    4,582

    Default

    I believe that CSU (maybe?) did this or does this. There could be others at this point. I'm pretty sure the oocytes have to be harvested within 8 hours of the mare's death, so she would have to either die at the harvesting site, or some expedited shipping of the ovaries (I'm sure with special shipping requirements) would have to take place. The few things to remember: the older the mare the less fertile the oocytes, and getting a pregnacy from just an oocyte is an uphill climb, so you will probably go through several oocytes before getting an actual, viable pregnancy. I'm actually not sure where they are with freezing the oocytes for later use. Most references I can remember used the harvested oocytes immediately.
    Courage is going from failure to failure without losing enthusiasm."
    --Winston Churchill
    https://www.facebook.com/pages/Hills...h/112931293227
    www.HillsideHRanch.com



  3. #3
    Join Date
    May. 28, 2003
    Location
    NOVA
    Posts
    913

    Default

    Dr. Del Vento at Apex Equine worked with CSU to do this several years ago on an older, accomplished WP QH mare. The ovaries were harvested within a few hours of the mare's death and shipped to CSU. I think there were several pregnancies ultimately resulting in the birth of a single foal.

    http://www.news.colostate.edu/Release/2092



  4. #4
    Join Date
    Jan. 2, 2006
    Location
    Colorado
    Posts
    2,189

    Default

    Is it possible to harvest the eggs and then immediately fertilize them? And then..... freeze them, I guess?



  5. #5
    Join Date
    Nov. 30, 2005
    Location
    Northfield MN
    Posts
    1,024

    Default

    I spoke with CSU about this in 2005, when one of my mares was given very low odds for surviving a colic surgery. They were very informative and I was able to coordinate with the therio vet at the University where she was hospitalized.

    Our plan was to remove the ovaries at the time of death and ship them to CSU where they would handle the oocyte recovery and fertilization. Any embryos were to be placed in recipients and I would purchase the mares who checked in foal at 30 days.

    I was surprised at how reasonable the estimated expense was. I think it was about the same as a normal ET or possibly even a bit less. The odds of getting a live foal were pretty decent. However, they did tell me that it was good that the mare was fairly young.

    My mare made a full recovery, so I can't tell you much else

    CSU was great about answering questions and helping me make sure we would have the best chance of success. If I am ever in a similar circumstance, I would not hesitate to contact them.



  6. #6
    Join Date
    Apr. 8, 2011
    Location
    Carolinas/East Coast
    Posts
    97

    Default

    Bent Hickory- that's a good article, thank you

    Molly Malone- from the article that Bent Hickory posted "Oocyte recovery began immediately by carefully scraping the ovaries, then culturing the six oocytes they were able to retrieve and allowing them to mature overnight in an incubator. The next day, five of the six were transferred into a recipient mare from the CSU herd." I read about another case like this where it was a pretty quick process. I'm not sure what all they have and haven't done but it sure would be interesting to know where they're at with all of this.

    tuckawayfarm- Yay! Happy story

    Sounds like CSU is the place to contact.
    Disclaimer: I don't know everything, but I'm sticking to what I know and we'll go from there.



Similar Threads

  1. Preliminary Post Mortem Results For Hickstead
    By bluemoonfarms in forum Sport Horse Breeding
    Replies: 80
    Last Post: Nov. 14, 2011, 01:24 PM
  2. Harvesting placentas
    By grayfox in forum Sport Horse Breeding
    Replies: 3
    Last Post: Jun. 17, 2010, 04:43 PM
  3. Replies: 1
    Last Post: May. 6, 2010, 08:39 PM
  4. Harvesting Amnion
    By acottongim in forum Sport Horse Breeding
    Replies: 16
    Last Post: May. 1, 2010, 11:47 PM
  5. I have eggs!
    By LAZ in forum Around The Farm
    Replies: 25
    Last Post: Jul. 27, 2009, 11:50 AM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •