Page 7 - EX 2013 SBS Web Catalog

Please Note: We are selling 100% interest and full possession in all bulls unless noted in the footnotes or on sale day.
Retained Interest In Bulls Selling
Ribeye Area EPD (RE), expressed in square inches, is a
predictor of the difference in ribeye area of a sire’s progeny
compared to progeny of other sires.
Fat Thickness EPD (Fat), expressed in inches, is a predictor
of the 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 of other sires.
MATERNAL...
Maternal Milk EPD (Milk) is a predictor of a sire’s genetic
merit for milk and mothering ability 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.
Cow Energy Value ($EN), expressed in dollars savings
per cow per year, assesses differences in cow energy
requirements as an expected dollar savings difference in
daughters of sires. A larger value is more favorable when
comparing two animals (more dollars saved on feed energy
expenses). Components for computing the cow $EN
savings difference include lactation energy requirements
and energy costs associated with differences in mature
cow size.
$VALUE INDEXES...
$Value indexes, are multi-trait selection indexes to
assist beef producers by adding simplicity to genetic
selection decisions. $Values are reported in dollars
per head, where a higher value is more favorable. The
$Value is an estimate of how future progeny of each
sire are expected to perform, on average, compared to
progeny of other sires in the database if the sires were
randomly mated to cows and if calves were exposed to
the same environment.
Weaned Calf Value ($W), an index value expressed in
dollars per head, is the expected average difference in
future progeny performance for preweaning merit. $W
includes both revenue and cost adjustments associated
with differences in birth weight, weaning direct growth,
maternal milk, and mature cow size.
Feedlot Value ($F), an index value expressed in dollars per
head, is the expected average difference in future progeny
performance for postweaning merit compared to progeny
of other sires.
Grid Value ($G), an index value expressed in dollars per
head, is the expected average difference in future progeny
performance for carcass grid merit compared to progeny of
other sires.
Beef Value ($B), an index value expressed in dollars per
head, is the expected average difference in future progeny
performance for postweaning and carcass value compared
to progeny of other sires.
For the Pfizer HD 50K for Angus percentile rankings,
a lower value indicates a more favorable ranking for the
trait. For example, a smaller numeric percentile ranking
for Pfizer result in birth weight and carcass fat indicates
lighter calves and leaner carcasses as the expectation.
If you are making selection decisions for traits that have an
EPD provided by the Association, then the EPDs should
be considered the selection tool of choice. The EPD and
accuracy account for all sources of information available
on the animal of interest (e.g., pedigree, own record,
weights/measures, genomic results). Using EPD and
genomic percentiles separately leads to double counting
information and will lessen selection efficiency.
Traits with HD 50K genomic predictions
– (CED) Calving-ease direct
– (BW) Birth weight
– (WW) Weaning weight
– (ADG) Average Daily Gain
– (YW) Yearling weight
– (RFI) Residual feed intake
– (DMI) Dry matter intake
– (YH) Yearling height
– (SC) Scrotal circumference
– (DOC) Docility
– (CEM) Calving-ease maternal
– (Milk) Milking ability
– (MW) Mature weight
– (MH) Mature height
– (CW) Carcass weight
– (REA) Ribeye area
– (MB) Marbling score
– (FAT) Fat thickness
– (Tend) Tenderness
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