How close are vets on due dates? - The Horse Forum
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post #1 of 11 Old 01-28-2013, 09:57 PM Thread Starter
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How close are vets on due dates?

So the rescue mare I adopted who is pregnant was vet checked and estimated to be due around April. My other mare we know her due date is late march early april (exact due date March 30). Well, that mare is showing for sure. The rescue mare isn't really showing if I just randomly saw her I would just think she is healthy not pregnant. They are both maidens that I know of. I know some mares fill out different and hide it more. I was just wondering anyone who has had a vet give a guess of when there due how off were they? I will be keeping a close eye on her until she does foal no matter when I think she will foal just in case but it would have been nice to have a basic idea.
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post #2 of 11 Old 01-28-2013, 09:59 PM Thread Starter
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Also thank you guys ahead of time for whatever info you can give. Very much appreciated!
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post #3 of 11 Old 01-28-2013, 10:31 PM
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was she ultrasounded ? its hard to say...especially with maiden mares...some dont show until the last couple months...if she was a rescue...and by that I mean..experienced poor nutrition...she could be a little you have her on any extra feed? I have a maiden mare who is due anytime from the end of feb to mid april...she was bred when we purchased her and the previous owner was not sure exactly when she was bred...I have her on 13% feed with extra flax and she seems to be doing very well with that....I would just keep an eye on her...give her some extra...good luck and keep us posted!!
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post #4 of 11 Old 01-29-2013, 10:22 AM
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Just FYI horses don't have "due dates" like people do. They foal when the foal is ready to be born. The "due dates" are only going off of what the average mare foals at.

Is my mare overdue?
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post #5 of 11 Old 01-29-2013, 10:58 AM
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Originally Posted by NdAppy View Post
Just FYI horses don't have "due dates" like people do. They foal when the foal is ready to be born. The "due dates" are only going off of what the average mare foals at.

Is my mare overdue?
Took the words right off my fingers!

Our vet says each mare has her 'gestation time frame'.
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post #6 of 11 Old 01-29-2013, 11:04 AM
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and many mares if they go 10 days early of their due date will often do that every time. I have a notebook of signs and due dates and actual foaling dates on all my mares. They are like clockwork :)

good luck. Usually the signs right before foaling are the best indicators. I'd suggest making sure she is getting NON FESCUE HAY at least the last three months prior to due "month" look up fescue hay toxicity
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post #7 of 11 Old 01-29-2013, 11:22 AM Thread Starter
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Well I know they don't REALLY have a due date. I was meaning more like the month. So like if he said April will it probably be around April or do vets often be off and it could possibly be months sooner or later?

She is getting extra feed and is on a mare and foal feed as well. She's got all her vaccines and everything. She was underweight I to was thinking that could be part of it. Like I said every day I keep an eye for any changes just in case the vet could be off. Rather be safe than sorry.

I've been around family and friend pregnant mares and know the signs but all the horses I knew were planned so we knew a basic of when they should foal. So I never have known how close a vet guess would be. Lol Thanks guys.
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post #8 of 11 Old 01-29-2013, 11:28 AM
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Usually +/- a couple weeks in my experience.
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post #9 of 11 Old 01-29-2013, 12:43 PM
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If you knew the exact breeding date you'd pick the 'due date' at day 340 but they can foal between day 320 or day 360 so it's hard to tell. Even when you bred them yourself! So you never really know for sure
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post #10 of 11 Old 01-29-2013, 01:06 PM
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Probably just as close as an Obstetrician. Look for the signs. Many breeders with $high priced mares sleep in their barns during foaling season. They often use cameras, or devices that buzz or bing when the mare lays down, to help, too. TOO OFTEN, the mares surprise us all and foal in inconvenient times and in inconvenient places. I heard about a mare foaling out in a paddock during a bad rainstorm. Mare and foal did well, anyway. It only takes them about 15 minutes normally to deliver, so they can really fool you.

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