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Pregnancy rates after AI with fresh extended and frozen thawed semen, and after natural service
| N° of Mares | N° of Services | Pregnancy per cycle (%) | Total pregnant mares (%) | IA/Pregnancy* | |
|---|---|---|---|---|---|
| AI fresh extended | 7 | 11 | 7/11 (64) |
7/7 (100) |
1.57 |
| AI frozen/thawed | 7 | 10 | 4/10 (40) |
4/7 (57) |
2.5 |
| Natural Service | 3 | 4 | 2/4 (50) |
2/3 (67) |
2.0 |
* Includes mares that did not get pregnant
