Gestation Chart
| Breeding Date | Jan. | Feb. | Mar. | Apr. | May | June | July | Aug. | Sept. | Oct. | Nov. | Dec. | ||||||||||||
| Due Date | Apr. | May | June | July | Aug. | Sept. | Oct. | Nov. | Dec. | Jan. | Feb. | Mar. | ||||||||||||
| 1 | 22 | 1 | 23 | 1 | 20 | 1 | 21 | 1 | 20 | 1 | 20 | 1 | 20 | 1 | 20 | 1 | 21 | 1 | 20 | 1 | 20 | 1 | 22 | |
| 2 | 23 | 2 | 24 | 2 | 21 | 2 | 22 | 2 | 21 | 2 | 21 | 2 | 21 | 2 | 21 | 2 | 22 | 2 | 21 | 2 | 21 | 2 | 23 | |
| 3 | 24 | 3 | 25 | 3 | 22 | 3 | 23 | 3 | 22 | 3 | 22 | 3 | 22 | 3 | 22 | 3 | 23 | 3 | 22 | 3 | 22 | 3 | 24 | |
| 4 | 25 | 4 | 26 | 4 | 23 | 4 | 24 | 4 | 23 | 4 | 23 | 4 | 23 | 4 | 23 | 4 | 24 | 4 | 23 | 4 | 23 | 4 | 25 | |
| 5 | 26 | 5 | 27 | 5 | 24 | 5 | 25 | 5 | 24 | 5 | 24 | 5 | 24 | 5 | 24 | 5 | 25 | 5 | 24 | 5 | 24 | 5 | 26 | |
| 6 | 27 | 6 | 28 | 6 | 25 | 6 | 26 | 6 | 25 | 6 | 25 | 6 | 25 | 6 | 25 | 6 | 26 | 6 | 25 | 6 | 25 | 6 | 27 | |
| 7 | 28 | 7 | 29 | 7 | 26 | 7 | 27 | 7 | 26 | 7 | 26 | 7 | 26 | 7 | 26 | 7 | 27 | 7 | 26 | 7 | 26 | 7 | 28 | |
| 8 | 29 | 8 | 30 | 8 | 27 | 8 | 28 | 8 | 27 | 8 | 27 | 8 | 27 | 8 | 27 | 8 | 28 | 8 | 27 | 8 | 27 | 8 | 29 | |
| 9 | 30 | 9 | 31 | 9 | 28 | 9 | 29 | 9 | 28 | 9 | 28 | 9 | 28 | 9 | 28 | 9 | 29 | 9 | 28 | 9 | 28 | 9 | 30 | |
| May | June | 10 | 29 | 10 | 30 | 10 | 29 | 10 | 29 | 10 | 29 | 10 | 29 | 10 | 30 | 10 | 29 | Mar. | 10 | 31 | ||||
| 10 | 1 | 10 | 1 | 11 | 30 | 11 | 31 | 11 | 30 | 11 | 30 | 11 | 30 | 11 | 30 | 11 | 31 | 11 | 30 | 10 | 1 | Apr. | ||
| 11 | 2 | 11 | 2 | July | Aug. | 12 | 31 | Oct. | 12 | 31 | Dec. | |||||||||||||