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  1. #1
    Join Date
    Nov. 8, 2006
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    3,023

    Default Is it true that a mare's first foal is usually not a nice as later offspring?

    Is this a myth? Also, that the first foal is usually smaller? I know my horse's full sibling (she's first he's second) is a full hand shorter than he is, and he is only three! So is this an example of the saying or just chance? From a genetics standpoint it makes no sense. Also they have studies showing TB's transfered into ponies, although born smaller, grow to their genetic potential, so I don't think a tight uterus can be blaimed.

    The reason I ask is because someone wants to have a foal from my mare. They don't care about size (and I do). Would it be better if I have the second foal?

    Thanks for offering any clafication!



  2. #2
    Join Date
    Nov. 8, 2006
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    3,023

    Default

    I found a study from Kansas State!
    http://www.horsetalk.co.nz/breeding/br-size.shtml



  3. #3
    Join Date
    Jan. 15, 2004
    Location
    Lancaster, PA, USA
    Posts
    7,967

    Default

    personally I hve found the first foal is often smaller..at birth...not at maturity...but that is about it.



  4. #4
    Join Date
    Mar. 20, 2010
    Location
    Bucks County, PA
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    1,700

    Default

    That has to be a myth! It has not been my experience, at least.



  5. #5
    Join Date
    Oct. 27, 2010
    Location
    Nevada
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    2,561

    Default

    Got two full brothers here....3 and 4 year olds. Sire has some speed breeding behind him (is grandson of winner of All American Futurity...the QH version of the Kentucky Derby) as well as a lot of cowhorse and stands just a hair under 15 hands. Dam is big, deep bodied mare also right at 15 hands with a ton of cowhorse in her background. Both tobiano Paints...not that that matters.

    First foal a solid bay with only a star...is now a 4 year old and about 13.3 or maybe pushing 14 hands (is going to be gelded in March and become my grandsons horse in a couple years).

    Second foal a brown tobiano...now three year old and about 14.3 and butt high. Will likely remain ungelded and possibly replace his sire in the program here (sire is 19),

    Go figure.



  6. #6
    Join Date
    Sep. 20, 2002
    Location
    Hannover, Germany
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    3,858

    Default

    Quote Originally Posted by Callaway View Post
    That has to be a myth! It has not been my experience, at least.
    dito

    In case the older sibbling is bigger it is the same sort of variation that happens with another siblings better gaits, or nicer face or whatever trait you can think of...
    I am not responsible for spelling misstacks - just my PC
    www.hannoveranerzuechter.de
    2017: Lissaro - SPS Don Frederico - Prince Thatch and Finnigan - Sandro Hit - Rouletto



  7. #7
    Join Date
    Nov. 20, 2005
    Location
    missoula. mt
    Posts
    1,832

    Default

    Quote Originally Posted by flyracing View Post
    I found a study from Kansas State!
    http://www.horsetalk.co.nz/breeding/br-size.shtml
    thanks for posting this! Very interesting.



  8. #8
    Join Date
    Jul. 5, 2002
    Location
    FL
    Posts
    8,388

    Default

    It has not been my experience at all.



  9. #9
    Join Date
    Sep. 30, 2001
    Location
    Down the road from HITS-Ocala
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    3,357

    Default

    I agree, not my experience either.
    As is our confidence, so is our capacity. ~W. Hazlitt

    Gift Hill Farm



  10. #10
    Join Date
    Jul. 5, 2007
    Location
    Beside Myself ~ Western NY
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    11,961

    Default

    I read an article once that said it was historically common thinking that the mare's earlier offspring would be higher quality because the mare was in better physical condition, and the odds of the egg being better quality earlier in her life were greater.

    The article did not present it as scientific fact, and I don't believe this has ever been statistically verified. But I can see where the belief stems from. If a mare produced an exceptional individual, anything she produced after would always be compared against that standard. The mares who produce all exceptional offspring are very few and far between.
    ::If I was wrong don't you think I would know it?::



  11. #11
    Join Date
    Apr. 20, 2010
    Location
    Harpers Ferry, WV
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    2,851

    Default

    Ditto. Not my experience either.
    www.Somermistfarm.com
    Quality Hunter Ponies



  12. #12
    Join Date
    Aug. 15, 2010
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    3,236

    Default

    Not mine either - in fact, I've seen some huge babies come out of first births...



  13. #13
    Join Date
    Apr. 28, 2008
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    California
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    Default

    I agree that they are occasionally smaller at birth, but mature just the same. I've also had a couple HUGE foals out of maiden mares. There are so many variables in breeding, and how many foals are mare has had, is not one I take into consideration when breeding a mare/choosing a stallion.
    Making Your Ambitions a Reality at Secret Ambition Stables.
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