Percentage of pregnant does based on foetal heart beat
| Days after mating | Heart beat observed | Heart beat not observed | Total |
|---|---|---|---|
| 25-30 | 0% (0) | 100% (17) | 17 |
| 31-35 | 35.3% (6) | 64.7% (11) | 17 |
| 36-40 | 58.8% (10) | 41.2% (7) | 17 |
| 41-45 | 88.2% (15) | 11.8% (2) | 17 |
| 46-50 | 100% (17) | 0% (0) | 17 |
| 51-55 | 100% (17) | 0% (0) | 17 |
| 56-60 | 100% (17) | 0% (0) | 17 |
