Individual Performance
(11) Birth weight, lb
(12) 205-day adjusted weaning weight, lb
(13) 365-day adjusted marbling (IMF, %)
(14) 365-day adjusted rib fat, in
(15) 365-day adjusted ribeye area, in
2
(16) Actual ribeye area, in
2
/ 100 lb wt. at scan
Ultrasound data (13, 14, 15, 16) were collected
11/11/15 for fall bulls and 2/12/16 for spring bulls
(17) 112-day test average daily gain (ADG), lb/d
(18) Off-test weight, lb (avg. of 2/11 & 2/12/16 wts.)
(19) Off-test weight per day of age, lb/day
(20) Off-test actual scrotal circumference, cm
(21) Adjusted 365-day scrotal circumference, cm*
(22) 365-day adjusted pelvic area (width x height)
measured at breeding soundness exam, cm
2
*
(23) Frame score (1 to 10 scale), calculated from hip
heights measured 2/11 and 2/12/16*
*Measurements were adjusted according to
Beef Improvement Federation guidelines.
Evaluation Index and Sale Order
The evaluation index is the average of percentile
rank for six EPD values (calving ease direct, weaning
weight, yearling weight, maternal milk, marbling, and
ribeye area), evaluation ADG and WDA (which are
calculated independently for Senior and Junior bulls).
Lower values indicate a more desireable average
percentile ranking, (except that milk is given no
advantage when less than the 20
th
percentile). Sale
order is determined by evaluation index, with the
lowest indexing bull selling first. A listing test index
(sale order) is located in the back of this catalog.
Evaluation Index Formula
(CE%+WW%+YW%+MM%(capped at 20%)+MARB%+
REA%+ADG%+WDA%)/8
Across Breed EPD Adjustments
Bulls of different breeds can be compared with
the same EPD scale only after adding the specific
adjustment factors to EPDs of the respective breeds.
Factors to add to EPDs to estimate across breed EPDs
(2015)
Breed
BW WW YW Milk CW Marb REA Fat
Angus
0.0 0.0 0.0 0.0 0.0 0.00 0.00 0.000
Charolais
8.6 39.6 40.8 7.3 5.4 -0.39 0.98 -0.207
Hereford
2.7 -4.4 -26.6 -17.8 n/a -0.32 -0.10 -0.053
Simmental
3.6 -4.8 -9.5 3.6 3.8 -0.38 0.43 -0.137
