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Discussion on First Filly Heat
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Member:
boomer
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Posted on Monday, May 7, 2007 - 2:33 pm:
Happy Monday all!
What is the age of first heat? I was given a filly last December and the person who gave it to me didn't know her age or anything. This poor thing was just living in a stock trailer. Anyway, this past weekend she has come into heat, I'm sure it's her first as she is just slightly taller than my yearling who turned 1 April 18th. I'm just trying to get a close to accurate age for her. Thanks.
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Member:
mrose
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Posted on Monday, May 7, 2007 - 2:56 pm:
I don't think you're going to get an accurate age of this filly going by her first heat. It can vary a lot! Not only does their first heat vary normally, but the filly's general care, nutrition, even whether she's in with other mares that are coming into season all play a part as to when she will come in. A better way to tell her age would be by her teeth, imo.
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Member:
boomer
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Posted on Monday, May 7, 2007 - 3:02 pm:
That's what I figured, with her teeth..just was curious of their first cycle. She's not with any mares, she's with a 11 month old gelded colt.
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Moderator:
DrO
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Posted on Tuesday, May 8, 2007 - 6:44 am:
Sara is right the onset of estrus is extremely variable, partially because the natural seasonality of the equine cycle is imposed over the aging process. Patricia go to Horse Care » Routine Horse Care » Aging Horses and Incisor Anatomy. By using the eruption of the baby and adult teeth you should be able to get within a few months of the age.
DrO
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Member:
boomer
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Posted on Tuesday, May 8, 2007 - 11:08 am:
Oh, thanks for showing me where the article is, I couldn't find it but I was looking under reproduction.
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