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Ovulation timing

Equine-Reproduction.com Bulletin Board » Breeding Methods » Ovulation timing « Previous Next »


Author Message
 

lorrie (209.192.169.161)
Posted on Wednesday, June 13, 2001 - 11:05 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Hi - I am a novice breeder. My vet is experienced at AI. Ultrasound monday showed my mare had follicle 3.5 cm. They collected the stallion that day (because he was leaving for a week) and gave her a dose on monday. Today, wednesday (48 hours later), ultrasound showed 5+ cm follicle. Vet gave her another dose of semen collected on monday (stored in equitainer) and a shot of HCG. Based on the size of the follicle and the HCG when will she ovulate? Will the sperm still be viable. What are my chances? At this time I dont know if there have been any motility studies on this stallions sperm stored in an equitainer. If this breeding doesnt work, knowing that shell probably ovulate thurs or friday how do I optimize my chances for the next heat. Without the use of so many ultrasounds!
 

Kelly (63.172.47.227)
Posted on Sunday, June 17, 2001 - 02:49 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

She should ovulate within 36 hours of the shot. In a live cover situation, the semen is viable for 48 to 72 hours. The semen should be have been checked by your vet prior to insemination. Each stallion will have different responses to extenders, etc. I would request a count before and after shippment.

Many believe that if you follow a follicle and inseminate at the appropriate time, the semen is better off in the mare, not stored in the container. The best way to detect and prepare for conception is ultrasound. It can be expensive and time consuming, but there is nothing better.

Many stallions do not ship well for many reasons. I would make sure that counts are taken, and that the semen is viable. Your mare and vet can't do it alone!
 

les joiner
Posted From: 152.163.189.231
Posted on Tuesday, May 13, 2003 - 02:00 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

I agree timing is everythung. I had a mare bred using AI once and the whole deal went straight to H**L the mare and the vet can not do it alone the person in charge of the mare must be most of all trustworthy, the AI industry is filled with charlitons and people that will just plain steal from you. While not accusing any one imparticular the excuse of semen shipping ability and viability are often reasons given for "you just bought me a breeding" better luck next year!



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