ADSA
2005: Reproduction data in USDA database (3)
Format 5 reproductive events
Observed in
estrus (heat) but not inseminated
Cow given
“do not breed” designation
Confirmed
not pregnant (open)
Embryo
implantation (reporting dam of embryo)
Embryo
implantation (reporting sire of embryo)
Natural
service breeding (includes service sire ID)
Artificial
insemination (includes service sire ID)
Synchronized
estrus event (injection or other methods)