Reviewed 100% Correct Detailed Answers
Guaranteed Pass!!Current Update
What does the abbreviation EPD stand
Expected Progeny Difference
for?
The first performance records measured Measured weight/weight gains at wean-
what and at what age? ing or yearling
What does the abbreviation EBV stand
Estimated Breeding Value
for?
It combined an animals own records to
What made the EBV statistic useful? those of relatives and progeny and in-
cluded heritability
it consisted mostly of in group records,
What is one disadvantage of EBV? causing faulty comparisons between
groups or herds.
EPDs have more scope and precision.
What two advantage do EPDs have over EPDs allow you to make a more valid
EBVs? comparison between groups, not just
within a single group.
What does the abbreviation NSE stand
National Sire Evaluation
for?
A program conducted by some breed
registry associations to compare perfor-
What was the NSE?
mance using Reference Sires. It was the
first practical implementation of EPDs
Bulls are not genetically related.
Bulls mated to females of equal genetic
What are some assumptions that limited merit.
the validity of the NSE? No progeny was culled before records
were collected.
Breed averages do not change over time.
What does the abbreviation NCE stand
National Cattle Evaluation
for?
A more precise and accurate program to
caluclate EPDs within breeds that incor-
What is NCE?
porates more information to determine
the EPD than NSE.
What information does NCE include that
NSE did not? 1/5
, EPD Verified Multiple Choice and Conceptual Actual Exam Questions With
Reviewed 100% Correct Detailed Answers
Guaranteed Pass!!Current Update
Adjustment for differences in genetic
merit of females.
Genetic correlation between traits.
Adjustments for genetic change over
time.
Adjustments for differences in contem-
porary groups such as environment and
nutrition
Total Herd Reporting
No Reference Sires
Directly comparable EPDs
Birthweight
All Breed Associations Have What 4 Weaning Weight
Traits? Yearling Weight
Milk
Birth weigh is measured using what
measurement, and excludes influence Pounds/Excludes Maternal Influence
from what?
Weaning Weight Measurement is taken
205 days
at how many days old?
Yearling weight measurement is taken at
365
how many days old?
Pounds of weaning weight due to mater-
nal influence of an individuals daughters,
What does the Milk EPD Measure?
excluding genetics for growth to wean-
ing.
The Total Maternal EPD is composed of
Milk and Weaning Weight
what two EPDs?
Percentage of unassisted births as a ra-
tio.
What does the Direct Calving Ease EPD
Estimates the calf's ease of birth, exclud-
measure?
ing maternal factors. Focuses more on
the calf's easiness of being born.
Because it is an estimate of all maternal
Why is the Milk EPD inexact? influences on weaning weight, with milk
production being the major element.