BIF Age-of-Dam at Calving Adjustment Factors

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BC-1002 – Revised: June, 2006
Dr. Larry W. Olson - Extension Animal Scientist

BIF Age-of-Dam at Calving Adjustment Factors

Age-of-Dam Birth Weight Weaning Weight Weaning Hip Height
Male Female Male Female Male Female
days years lbs. lbs. lbs. lbs.
<1003 2 +8
+8 +60 +54 x 1.020 x 1.020
1004-1338 3 +5
+5 +40 +36 x 1.015 x 1.015
1339-1703 4 +2
+2 +20 +18 x 1.010 x 1.010
1704-3926 5-10 0
0
0
0
x 1.000 x 1.000
3927-4291 11 +3
+3 +20 +18 x 1.010 x 1.010
4292-4656 12 +3
+3 +20 +18 x 1.015 x 1.015
4657+ 13+ +3 +3 +20 +18 x 1.020 x 1.020

Adapted from Beef Improvement Federation Guidelines for Uniform Beef Improvement Programs (1996)

For More Information:

Dr. Larry W. Olson
Extension Animal Scientist
Edisto Research & Education Center
64 Research Rd.
Blackville, SC 29817
Email: LOLSON@clemson.edu
Phone: 803-284-3343 ext 231
Fax: 803-284-3684