My mare may have been bred by a yearling colt... Not sure, but it is possible. I do not want her to have a colt, what is the best/easiest thing to do? I have heard it may be possible to "flush" her out? Not sure what that means... Or give her some sort of shot? It would have just happend last night, she is still in full heat. ANY info would be very appreciated!
Prostaglandin is most commonly used in a situation such as this, which is injectable. It is also a prescription drug, so you wold have to get it from your veterinarian who will be able to explain it's use, dosage and possible side-effects. It works by causing the mare to come back into estrus ("heat") at which time her cervix will relax, and she will lose the pregnancy if there is one. Prostaglandin needs to be give a minimum of 6 days after ovulation to produce this effect. We would also recommend ultrasounding the mare at 14-16 days after ovulation in a situation such as this to confirm that the Prostaglandin did reduce the pregnancy.
Uterine lavage ("flushing") would not be the normal procedure to reduce pregnancy.
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