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