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!
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