twins - Page 2
 
 

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twins

This is a discussion on twins within the Horse Breeding forums, part of the Horse Breeds, Breeding, and Genetics category
  • How far into a mares pregnancy can you pinch a twin
  • Proper time to pinch off twin in mare

 
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    06-15-2009, 06:37 PM
  #11
Trained
I believe it is 30-35 days after servicing.
     
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    06-16-2009, 12:22 AM
  #12
Started
Quote:
Originally Posted by chika1235    
about how far along should he check for twins?(you can tell this is my first breeding of my mare)im going to breed her next year so I have pleanty of time to get a good stud and get more info on breeding.
I can tell by your post that you're no more ready to breed a horse than I am. One year is NOT plenty of time. You've made several posts about breeding your horse(s). You appear, from your posting, to be very young. Breeding is a tremendous responsibility.

Some questions:

1) What is your experience with pregnant mares?
2) What is your experience with foaling?
3) What is your experience with foals/young horses of any age?
4) Will your finances support the loss of a mare, newborn care, pregnancy care, or the loss of a foal?
5) What experience do you have with horse conformation? In order to choose a proper mate for your mare you'd need to understand horse conformation to better your mare.
6) Is this mare registered?
7) What are your plans for the foal?

Etc, etc.....
     
    06-16-2009, 12:38 AM
  #13
Started
Well said joshie.

In addition - I knew of twins. Both were born seemingly ok w/o issue and the mother also lived. The owner decided to not do a follow up ultrasound to check for twins. Well fast forward to about 6 years later. The one twin had regular soundness and health issues - lamenss, unexplained sickness, etc. the other twin the "healthy" one was found dead in the pasture one afternoon for no reason at all. Vet thought likely stunted/underdeveloped organs that didn't mature with the size of the horse as they grew. Imagne - twins - thinking wow, they are fine i'm so lucky. And then SIX YEARS later one's lame and unrideable (for life) and the other is inexplicable dead.....
     
    06-16-2009, 02:34 AM
  #14
Started
Twinning (getting pregnant with twins, not successfull delivery) is fairly common in Thoroughbreds. Not sure HOW common in them, as I only breed minis, but more so than other breeds. (just mentioning that, no clue what breed the OP's horse is, just something I found interesting).

Your mare's first U/S would be about 16 days after breeding, and then as often as your vet recomends.
     
    06-16-2009, 12:37 PM
  #15
Green Broke
Well seeing as I have little experience with foals and breeding, I have to agree with Joshie. Everybody wants to breed their "pretty mare" to a "handsome stallion" not thinking about what will happen at all. Revise those questions, and everyone will tell you what is/isnt a good idea. Now, I was going to breed my grade mare, but these guys really talked me out of it. Heck, we don't even know what kind of pony she is! I've decided to wait and get the money, time, and right mare until I breed (which will be another 2 years or more), and we just have to find the right stuff to do it. Good luck, btw
     
    06-16-2009, 03:07 PM
  #16
Weanling
>>>> I believe it is 30-35 days after servicing.

30 to 35 days is getting on the late side to pinch off a twin. My vet recommends the first ultrasound happen by 16-20 days if possible, up to 24 days or so usually still being OK if there is a twin to pinch. Later might still work, but the embryo grows from pea to olive sized between day 24 and day 40, and the embryonic vesicle grows, in that same time period, from 1 inch in diameter to 2 1/2 inches in diameter. The progressive and rapid increase in size and mass makes it tougher to safely and effectively crush one of the twins, as well as leaving more matter behind that has to be taken care of by the mare's system, without harming the surviving twin. According to my vet, by day 45-50 it is usually considered too late to safely/effectively pinch one.
     
    06-16-2009, 03:20 PM
  #17
Started
Twins are extremely rare, and on the off chance that a mare is carrying twins, it's wisest to have one embryo pinched off. If both are allowed to go full term, there could be so many things that go wrong and the mare would be in a lot of danger. In other words, you could end up with two dead babies and a dead mare. It's even rarer for one or both of the twins to survive, and even then, they'll probably be small and not very healthy.
     
    06-16-2009, 03:23 PM
  #18
Trained
Quote:
Originally Posted by Eastowest    
>>>> I believe it is 30-35 days after servicing.

30 to 35 days is getting on the late side to pinch off a twin. My vet recommends the first ultrasound happen by 16-20 days if possible, up to 24 days or so usually still being OK if there is a twin to pinch. Later might still work, but the embryo grows from pea to olive sized between day 24 and day 40, and the embryonic vesicle grows, in that same time period, from 1 inch in diameter to 2 1/2 inches in diameter. The progressive and rapid increase in size and mass makes it tougher to safely and effectively crush one of the twins, as well as leaving more matter behind that has to be taken care of by the mare's system, without harming the surviving twin. According to my vet, by day 45-50 it is usually considered too late to safely/effectively pinch one.
Thanks for the correction! Obviously, I don't plan on breeding anytime soon. :P
     
    06-17-2009, 10:00 PM
  #19
Weanling
>>>> Thanks for the correction! Obviously, I don't plan on breeding anytime soon. :P

Not a problem unfortunately I was sharing from personal experience--

I had a mare years ago that we determined ovulated two eggs regularly, and we pinched twins two different seasons on her-- once approaching 45 days-- she lost that pregnancy a few months later-- the next year we got her in early and took care of the twin before 18 days and she delivered a gorgeous palomino overo filly for us. Not sure if the first pregnancy loss was a result of the late catch of twins or just a coincidence, but owning this mare and going through what we did certainly spurred on several conversations with the vet regarding twins and ultrasounds!
     

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