Table 1 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 |