Table 1.
Distribution (%) of recipient breed, parity, number of breeding attempts, and interval from calving to embryo transfer (ET; for cows) when the transferred embryo was produced with conventional semen (CONV) or with sex-sorted semen (SEX).
Recipient attributes CONV SEX
Breed
Ayrshire 63.7 59.2
Holstein 36.3 40.8
Parity
Heifer 57.8 54.8
Primiparous 17.7 18.2
Multiparous 24.5 27.0
Breeding attempt
1st 83.0 85.5
2nd 12.0 10.7
3rd 3.7 2.9
4th 1.2 0.8
Interval from calving to ET, days 120.2 ± 58.8 119.0 ± 52.8