Page 7 - Leland-Koester Red Angus Bull and Heifer Production Sale – March 12, 2021

RED ANGUS GUIDE TO EPDS YW ........Yearling Weight predicts differences in 365-day yearling weight.
(Pounds/High Value)
RedAngus.org ADG .......Average Daily Gain predicts differences in weight gain between 205 and
365 days of age. (Pounds/High Value)
ProS .....Profi tability and Sustainability is an all-purpose index that predicts average DMI .......Dry Matter Intake predicts differences in daily feed intake as measured in
economic differences in all segments in the beef supply chain. This index is a a feedlot during the post-weaning period. (Pounds/Low Value)
combination of the breeding objectives modeled in the HerdBuilder and GridMaster
selection indexes. In this index, replacement heifers are retained from within the MILK .....Milk predicts differences in weaning weight attributed to the milking
herd and all remaining progeny are fed out to slaughter and sold on a quality-based ability of the animal’s daughters. (Pounds/High Value)
grid. Traits included in this index include calving ease, growth, HPG, STAY, Mature ME ........Maintenance Energy predicts the difference in maintence energy
Weight, Dry Matter Intake and carcass traits. The resulting index is expressed in
dollars per head born (Index/High Value). requirements. (Mcal per Month/Low Value)
HB .......HerdBuilder is a maternal selection index that predicts the economic HPG .......Heifer Pregnancy predicts differences in the percent of daughters who
differences of animals for traits that are important from conception through are able to conceive and calve at 2 years of age following exposure to breeding.
weaning. Expressed as dollars per head born, HB is calculated based on the scenario (Percent/High Value)
that bulls are mated to heifers and cows, replacement heifers are retained and all CEM ......Calving Ease Maternal predicts differences in the percent of daughters
remaining progeny are marketed at weaning. Traits included in the HB index include who are able to calve unassisted as 2-year-old heifers. (Percent/High Value)
Calving Ease Direct, Calving Ease Maternal, Weaning Weight, Milk, Mature Weight,
Heifer Pregnancy and Stayability (Index/High Value). STAY......Stayability predicts differences in the ability of an animals’ retained
GM.......GridMaster is a selection index that predicts the average economic daughters to remain productive in the herd – calve every year – through 6 years of
difference of non-replacement calves through the post-weaning phase of production. age. (Percent/High Value)
GM places selection pressure on growth, feedyard performance and carcass traits. MARB ....Marbling predicts differences in marbling score – amount of
Expressed as dollars per head born, GM is calculated based on the scenario that intramuscular fat measured at the 13th rib. (Marbling Score Units/High Value)
progeny are fed out to slaughter and marketed on a quality-based carcass grid.
Traits included in GM include Average Daily Gain, Carcass Weight, Dry Matter Intake, YG .........Yield Grade predicts differences in USDA Yield Grade, which is calculated
Marbling, Back Fat and Rib Eye Area (Index/High Value). using CW, REA and Fat. (Yield Grade Units/Low Value)
CED ........Calving Ease Direct predicts differences in the percent of calves born CW ........Carcass Weight predicts differences in actual hot carcass weight.
unassisted out of 2-year-old dams. (Percent/High Value) (Pounds/High Value)
BW ........Birth Weight predicts differences in actual birth weight of progeny. REA .......Ribeye Area predicts differences in square inches of ribeye area
(Pounds/Low Value) measured at the 13th rib.(Square Inches/High Value)
WW .......Weaning Weight predicts differences in 205-day weaning weight. FAT ........Fat predicts differences in the depth of backfat measured between the
(Pounds/High Value) 12th and 13th ribs. (Inches/Low Value)

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