Page 5 - Frey Angus Ranch Production Sale – Feb. 5, 2023

g lossar y & epd e xplan a T ions
glossary & epd explanaTions

PERFORMANCE DATA CARCASS WEIGHT EPD (CW)
All of the EPDs, birth weights, 205-day weights, ratios and carcass Expressed in pounds, is a predictor of the differences in hot carcass
information in this catalog are official data processed by the American weight of a sire’s progeny compared to progeny of other sires. Breed
Angus Association and Red Angus Association of America. The infor- average is +48.
mation was the most current information available prior to printing MARBLING EPD (MARB)
the catalog. Supplemental information will be available sale day.
Expressed as a fraction of the difference in USDA marbling score of
EXPECTED PROGENY DIFFERENCES a sire’s progeny compared to progeny of other sires. Breed average
EPDs are the prediction of how progeny from each animal is expected is +0.63.
to perform relative to the progeny of other animals in the Angus RIBEYE AREA EPD (RE)
breed. As data continues to accumulate, accuracy levels rise and Expressed in square inches, is a predictor of the difference in ribeye
EPDs will shift accordingly.
area of a sire’s progeny compared to progeny of other sires. Breed
CALVING EASE DIRECT (CED) average is +0.62.
Is expressed as a difference in percentage of unassisted births with FAT THICKNESS EPD (FAT)
a higher value indicating greater calving ease in first-calf heifers. It Expressed in inches, is a predictor of the differences in external fat
predicts the average difference in ease with which a sire’s calves will as measured between the 12th and 13th rib of a sire’s progeny com-
be born when he is bred to first-calf heifers. Breed average is +6.
pared to progeny of other sires.
BIRTH WEIGHT EPD (BW) MATERNAL WEANED CALF VALUE ($M)
Expressed in pounds, is a predictor of a sire’s ability to transmit birth An index, expressed in dollars per head, predicts profitability differ-
weight to his progeny compared to that of other sires. Breed average ences from conception to weaning. Traits included are as follows:
is +1.2.
calving ease direct, calving ease maternal, weaning weight, milk,
WEANING WEIGHT EPD (WW) heifer pregnancy, docility, mature cow weight, claw set and foot
Expressed in pounds, is a predictor of a sire’s ability to transmit angle. Breed average is +62.
weaning growth to his progeny compared to that of other sires. Breed WEANED CALF VALUE ($W)
average is +61.
An index, expressed in dollars per head, to predict profitability differ-
YEARLING WEIGHT EPD (YW) ences in progeny due to genetics from birth to weaning. Traits includ-
Expressed in pounds, is a predictor of a sire’s ability to transmit ed are as follows: birth weight, weaning weight, milk and mature cow
yearling growth to his progeny compared to that of other sires. Breed weight. Breed average is +57.
average is +108.
FEEDLOT VALUE ($F)
SCROTAL CIRCUMFERENCE (SC) An index, expressed in dollars per head, to predict profitability
Scrotal measurements in centimeters will be cataloged on all bulls differences in progeny due to genetics for post weaning feedlot merit
selling. A measurement of 33 centimeters is considered acceptable compared to progeny of other sires. Traits included are as follows:
for yearling bulls. The larger the measurement is a good indication of yearling weight (gain), carcass weight and dry-matter intake. Breed
semen volume one can expect from each bull. Scrotal circumference average is +85.
in catalog is adjusted to 365 days of age for yearling bulls. Older bulls GRID VALUE ($G)
are actuals.
An index, expressed in dollars per carcass, to predict profitability dif-
DOCILITY (DOC) ferences in progeny due to genetics for carcass grid merit compared
Is expressed as a difference in yearling cattle temperament, with a to progeny of other sires. Traits included are as follows: carcass
higher value indicating more favorable docility. Breed average is 18. weight, marbling, rib eye and fat. Breed average is + 50.
CLAW SET EPD (CLAW) BEEF VALUE ($B)
Is expressed in units of claw-set score, with a lower EPD being more An index value expressed in dollars per head, is the expected average
favorable indicating a sire will produce progeny with a more ideal difference in future progeny performance for post-weaning and
claw set. Breed average is 0.50. carcass value compared to progeny of other sires. Breed average is
FOOT ANGLE EPD (ANGLE) +138.
Is expressed in units of foot angle score, with a lower EPD being COMBINED VALUE ($C)
more favorable indicating a sire will produce progeny with a more An index expressed in dollars per head, which includes all traits that
ideal foot angle. Breed average is 0.48. make up both Maternal Weaned Calf Value ($M) and Beef Value ($B)
with the objective that commercial producers will replace 20% of
MATERNAL MILK EPD (MILK) their breeding females per year with replacement heifers retained
Is a predictor of a sire’s genetic merit for milk and mothering ability within their own herd. Breed average is +241.
as expressed in his daughters compared to daughters of other sires.
In other words, it is that part of a calf’s weaning weight attributed to
milk and mothering ability. Breed average is +28.

Frey Angus Ranch Production Sale 3