Page 17 - Haak Angus Annual Bull Sale – April 23, 2022
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HAAK
        HAAK          Bull Sale                                                                    Angus Bulls
                                                                                                   Angus Bulls

                      Bull Sale
        FAMILY ANGUS
        FAMILY ANGUS
                                 American Angus Association Selection Tools

             Expected Progeny Difference (EPD), is the prediction of how   FOOT SCORE
             future progeny of each animal are expected to perform relative to the   Claw Set (Claw), is expressed in units of claw-set score. A lower EPD
             progeny of other animals listed in the database. EPDs are expressed in   is more favorable, indicating a sire will produce progeny with more ideal
             units of measure for the trait, plus or minus. Interim EPDs may appear   claw set, which is toes that are symmetrical, even and appropriately
             on young animals when their performance has yet to be incorporated   spaced.
             into the American Angus Association National Cattle Evaluation (NCE)
             procedures. This EPD will be preceded by an “I”, and may or may not   Foot Angle (Angle), is expressed in units of foot-angle score. A lower
             include the animal’s own performance record for a particular trait,   EPD is more favorable, indicating a sire will produce progeny with more
             depending on its availability, appropriate contemporary grouping, or   ideal foot angle, which is a 45-degree angle at the pastern joint with
             data edits needed for NCE.                        appropriate toe length and heel depth.
             Accuracy (ACC), is the reliability that can be placed on the EPD. An   CARCASS
             accuracy of close to 1.0 indicates higher reliability. Accuracy is impacted   The genetic evaluation produces a single set of EPDs for carcass traits
             by the number of progeny and ancestral records included in the   where the units of measure are in trait format and analyzed on an age-
             analysis.                                         constant basis.
             Calving Ease Direct (CED), is expressed as a difference in percentage   Carcass Weight (CW), expressed in pounds, is a predictor of the
             of unassisted births, with a higher value indicating greater calving ease   differences in hot carcass weight of a sire’s progeny compared to
             in first-calf heifers. It predicts the average difference in ease with which   progeny of other sires.
             a sire’s calves will be born when he is bred to first-calf heifers.   Marbling (Marb), is expressed as a fraction of the difference in USDA
             Birth Weight (BW), expressed in pounds, is a predictor of a sire’s   marbling score of a sire’s progeny compared to progeny of other sires.
             ability to transmit birth weight to his progeny compared to that of other   Ribeye Area (RE), expressed in square inches, is a predictor of the
             sires.                                            difference in ribeye area of a sire’s progeny compared to progeny of
                                                               other sires.
             Weaning Weight (WW), expressed in pounds, is a predictor of a sire’s
             ability to transmit weaning growth to his progeny compared to that of   Fat Thickness (Fat), expressed in inches, is a predictor of the
             other sires.                                      differences in external fat thickness at the 12th rib (as measured
                                                               between the 12th and 13th ribs) of a sire’s progeny compared to progeny
             Residual Average Daily Gain (RADG), feed efficiency expressed in   of other sires.
             pounds per day, is a predictor of a sire’s genetic ability for postweaning
             gain in future progeny compared to that of other sires, given a constant  $VALUE INDEXES
             amount of feed consumed.                          $Value Indexes, reported in dollars per head, are multi-trait selection
                                                               indexes where a higher value suggests more profit. The $Value is an
             Yearling Weight (YW), expressed in pounds, is a predictor of a sire’s   estimate of how future progeny of each sire are expected to perform,
             ability to transmit yearling growth to his progeny compared to that of   on average, compared to progeny of other sires if sires were randomly
             other sires.                                      mated to cows and if calves were exposed to the same environment.

             Yearling Height (YH), is a predictor of a sire’s ability to transmit   Maternal Weaned Calf Value ($M), expressed in dollars per head,
             yearling height, expressed in inches, compared to the that of other sires.  predicts profitability differences in progeny due to genetics from
                                                               conception to weaning. Increased selection pressure on $M aims to
             Scrotal Circumference (SC), expressed in centimeters, is a predictor  decrease overall mature cow size and improve foot structure and fertility
             of the difference in transmitting ability for scrotal size compared to that   while maintaining weaning weights consistent with today’s production.
             of other sires.
                                                               Weaned Calf Value ($W), expressed in dollars per head, provides
             Docility (DOC), is expressed as a difference in yearling cattle   the expected difference in future progeny preweaning performance
             temperament, with a higher value indicating more favorable docility in a   from birth to weaning. Increased selection pressure on $W increases
             sire’s offspring compared to another sire.        weaning and maternal milk traits while increasing mature cow size.
             MATERNAL                                          Cow Energy Value ($EN), expressed in dollars savings per cow per
             Heifer Pregnancy (HP), is a selection tool to increase the probability   year, assesses differences in cow energy requirements as an expected
             or chance of a sire’s daughters becoming pregnant as first–calf heifers   dollar savings difference in daughters of sires. A larger value is more
                                                               favorable when comparing two animals. Components for computing
             during a normal breeding season. A higher EPD is the more favorable
             direction, and the EPD is reported in percentage units.   $EN savings difference include lactation energy requirements and
                                                               energy costs associated with differences in mature cow size.
             Calving Ease Maternal (CEM), is expressed as a difference in   Feedlot Value ($F), expressed in dollars per head, is the expected
             percentage of unassisted births, with a higher value indicating greater   average difference in future progeny performance for postweaning
             calving ease in first-calf daughters. It predicts the average ease with   merit compared to progeny of other sires. The underlying objective
             which a sire’s daughters will calve as first-calf heifers when compared   assumes commercial producers will retain ownership of cattle through
             to daughters of other sires.                      the feedlot phase and sell fed cattle on a carcass weight basis with no
                                                               considerations of premiums or discounts for quality and yield grade.
             Maternal Milk (Milk), is a predictor of a sire’s genetic merit for milk
             and mothering ability in his daughters compared to daughters of other   Grid Value ($G), expressed in dollars per carcass, is the expected
             sires. In other words, it is that part of a calf’s weaning weight attributed   average difference in future progeny performance for carcass grid merit,
             to milk and mothering ability.                    including quality and yield grade attributes, compared to progeny of
                                                               other sires.
             Mature Weight (MW), expressed in pounds, is a predictor of the
             difference in mature weight of daughters of a sire compared to the   Beef Value ($B), expressed in dollars per carcass, represents the
             daughters of other sires.                         expected average differences in the progeny postweaning performance
                                                               and carcass value compared to progeny of other sires. This index
             Mature Height (MH), expressed in inches, is a predictor of the   assumes commercial producers wean all male and female progeny,
             difference in mature height of a sire’s daughters compared to daughters  retain ownership of these animals through the feedlot phase, and
             of other sires.                                   market these animals on a quality-based carcass grid.


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