| Number of females | Number of AIs | ||
Multiparous | Primiparous | Multiparous | Primiparous | |
Total sample (15 farms) | 2212 | 1609 | 3920 | 2728 |
Holstein females | 1549 | 1212 | 2819 | 2094 |
Holstein semen | 1546 | 1212 | 2816 | 2094 |
Conventional semen | 1429 | 1058 | 2557 | 1761 |
14 consistent farms | 1397 | 1024 | 2513 | 1717 |