ADSA 2005: Reproduction data in USDA database (
6
)
G. R. Wiggans
2005
Current reproduction data
•
Lactation or heifer ID/breeding records
–
2,336,621 cows calving in 2003
–
304,183 heifers born in 2002
•
67% include pregnancy confirmation
–
Most confirmations are affirmative
•
76% confirmed pregnant
•
24% confirmed not pregnant