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Lute to abort

Use of exogenous hormones in the mare to induce estrus; maintain or end pregnancy; and also the use of hormones to stimulate or quieten stallions.

Moderator: Jos

Lute to abort

Postby dilligaff » Thu Jul 26, 2012 9:30 am

There is a mare at our barn that was in a mixed herd due to the drought conditions and came into cycle. Barn Owner stated he saw one of the newer geldings mount her and removed her to a different field. No Big Deal.

Later, the owner of this horse made a comment that he isn't entirely sure if this horse was 'fully' gelded--as he purchased him at a sale and has no history.

I personally went out and looked at the horse afterwards and there are no obvious testicles and he was pretty laid back and relaxed allowing me to check him in the field. So there is a wee chance he is cryptorchid but there always the chance I guess.

Mare Owner is a little concerned, knows chances of a pregnancy are minimal but does not want to risk anything. She is calling her vet today for options.

Can you tell me what the protocol is for Lute in this case? How long after exposure should the dose of lute be given? How effective is the shot? Should the Mare owner also ultrasound?

Thanks.
dilligaff
Neonate
 
Posts: 2
Joined: Thu Jul 26, 2012 8:45 am

Re: Lute to abort

Postby Jos » Thu Jul 26, 2012 12:07 pm

The mare should be pregnancy checked.

PGF2α can be given >6 days after the ovulation on the cycle where the mare was bred to cause her to recycle (and lose the pregnancy), however after about 35 days, a single dose will be unreliable and multiple doses may be required each day for several days, and even then it may not cause pregnancy loss. Ideally causing pregnancy loss is performed before 30 days after the ovulation on which the mare conceived.

Geldings will gain an erection and breed mares. They just don't get them pregnant. It's why it's a bad policy to house geldings and broodmares together in a field - injuries and disease spreading can occur as a result.
We're always happy to try and help, but don't forget to check the articles section
of the website too, which has a search engine to help you look for answers!
:)
User avatar
Jos
Senior Stallion or Mare
 
Posts: 3948
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Re: Lute to abort

Postby dilligaff » Thu Jul 26, 2012 1:41 pm

Thanks Jos,

I will print your answer out.

Yeah, normally the herds are separate but desparate times are calling for different set ups. Thankfully we got some rain this week and I 'Hope' we can get the resting pastures back in service.

Thank You again for your reply
dilligaff
Neonate
 
Posts: 2
Joined: Thu Jul 26, 2012 8:45 am


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