ADSA 2005: Reproduction data in USDA database (
11
)
G. R. Wiggans
2005
Service sire vs. calf sire
•
111,546 Holsteins
–
Born June
–
December 2004
–
Registry status 75
–100%
–
Not embryo transfer
–
Sire and dam reported
•
Comparison
–
Match: 48.7%
–
Service sire unknown: 49.3%
–
Sires different: 2.0%