| Percentage of X-chromosome sperm by week of collection | |||||||||
| Bull | 1 | 2 | 3 | 4 | 5 | 6 | LSMean | ||
| 1 | 51.0 | 51.7 | 52.4 | 57.8 | 52.7 | 50.7 | 52.7b | ||
| 2 | 55.0 | 52.3 | 50.0 | 52.4 | 56.8 | 45.9 | 52.1b | ||
| 3 | 53.3 | 56.8 | 52.9 | 43.5 | 58.6 | 54.7 | 53.3ab | ||
| 4 | 58.0 | 58.7 | 57.9 | 59.1 | 61.5 | 56.2 | 58.6a | ||
| 5 | 54.8 | 56.3 | 54.2 | 52.6 | 56.4 | 58.3 | 55.4ab | ||
| 6 | 53.0 | 56.9 | 53.6 | 58.8 | 58.5 | 58.7 | 56.6ab | ||