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Discussion on Persistent hymen?

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Annette P. Roydon
Member
Username: Malhana

Post Number: 3
Registered: 4-2004
Posted on Monday, May 2, 2005 - 9:44 am:   Edit PostPrint Post

Hello, I have a yearling filly whom I saw yesterday, have a pink protrusion of her vulva, while urinating. I also saw it this morning while she was lying down. I've spoken to my vet and she thinks it might be a persistent hymen. She will be coming by today or tomorrow. However, she also has loose stools and may be running a fever, (I'm alone here and she doesn't have the finest temperament!)and although I've been in the breeding business for 25 years, I've never seen anything like this. Any data received would be greatly appreciated.
Thanks, Annette
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Robert N. Oglesby DVM
Moderator
Username: Dro

Post Number: 12739
Registered: 1-1997
Posted on Tuesday, May 3, 2005 - 6:56 am:   Edit PostPrint Post

The fillies hymen should be present at this time and I have never seen one extruded. Maybe she beginning to show heat and evertuing the lips slightly? Usually when I see such a problem it is a seroma of the vulvo-vaginal wall from trauma and looks like a light pink fluid filled sack. I am concerned about a possible eversion of the bladder itself during straining that might lead to prolapse, a rare but potentially serious problem.
DrO
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Annette P. Roydon
Member
Username: Malhana

Post Number: 4
Registered: 4-2004
Posted on Wednesday, May 4, 2005 - 3:25 pm:   Edit PostPrint Post

Hi DrO, thank you for your response and concern.My cpnsulting reproductive Vet has been in business for 20 years and has seen this condition just once. She's worked at huge farms and sees several hundred yearlings annually. Evidently the persistent hymen only protrudes as the filly is coming into heat.
At any rate, my local Vet came, perforated the hymen, and put her on antibiotics. She's eating, much less urinating, and so far so good. There's a good photo in the Merck Vet Manual.
thanks again, Annette
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Robert N. Oglesby DVM
Moderator
Username: Dro

Post Number: 12761
Registered: 1-1997
Posted on Thursday, May 5, 2005 - 8:28 am:   Edit PostPrint Post

I hope that fixes it Annette.

Having run a breeding station for 20 years we too see many fillies coming into heat and they all have hymens prior to breeding though there is quite a bit of variation in completeness and thickness. I have had imperforate hymens in fillies but never seen one protrude, thanks for the information and let me know if there is any change.
DrO
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Annette P. Roydon
Member
Username: malhana

Post Number: 13
Registered: 4-2004
Posted on Sunday, Jun 22, 2008 - 1:32 pm:   Edit PostPrint Post

Hi Dr. O. Better late than never about the hymen. Since the post I've spoken with many managers of large breeding farms. They, also, have seen it rarely but clearly it does exist. An update on the filly, she's now three, Ontario bred, and last year won $237,000. She's racing back now but seems to have lost some umphh but is getting back into form.
Thanks again for your concern
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Robert N. Oglesby DVM
Moderator
Username: dro

Post Number: 20905
Registered: 1-1997
Posted on Sunday, Jun 22, 2008 - 6:57 pm:   Edit PostPrint Post

Thanks for the update Annette.
DrO
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