Return to list of
University contact person: Cory
Bubble sheet suggestions for Dairy Cattle CDE
Information from related Dairy Cattle Events:
Contest Purpose: To provide a competitive event for high school
agriculture students, empahsizing skills in dairy cattle selection and dairy
To provide high school agriculture students with dairy interests a practical
experience that will serve them well in industry positions or in management
of a modern dairy herd.
To develop students' skills in observation, analysis and communication.
To provide experience in the evaluation of dairy cattle type, production
records and dairy herd management.
To encourage high school agriculture teachers to seek assistance from various
resources in the dairy industry. (Examples: dairy breed associations,
artificial breeding associations, state extension dairy specialists, state
DHI associations, dairy equipment manufacturers, local dairy farmers and
A. Dairy Management Exercise
This will consist of a 25 to 60 question written exam involving dairy management
practices and DHI records.
The exam will be worth 60 points toward the total score.
This exam will be taken by the students on campus prior to their leaving
for the farm to judge the cattle.
B. Pedigree Class
One class of pedigrees (no animals present) will be ranked as to their indication
of the animals' ability to transmit superior production and type traits to
offspring. This exercise is worth 50 points for a perfect placing.
Other facotrs include completeness (number of records), accuracy (reliability),
level of performance (type and production) and profitability.
C. Linear Evaluation
One cow will be evaluated for 10 primary linear traits and for final
classification score. The linear traits evaluated are: dairy form,
Front Teat Placeemnt, udder Depth, Rear Udder Height, Rear Udder Width, Fore
Udder Attachment, Rear Legs Side View, Rump Angle, Body Depth and Stature.
(100 points maximum)
Participants will be afforded a close-up view this cow. Evaluations
will be completed at a distance of approximately ten feet from the cow.
Participants will not be permitted to handle the cow.
The correct evaluation of the 10 traits is worth 40 points.
Four points will be awarded for each trait scored within four points of the
official judges' score.
Two points will be awarded for each trait scored within five to six points
of the official judges score.
Correct evaluation of the final score for the cow is worth 10 points
10 points will be awarded for a final score within 3 points of the official
Scores that are between 4 and 9 points different from the official judges
score will be deducted the same amount as the difference. Scores 10
or more points different from the official judges' score will lose the full
D. Evaluation and Selection
Five classes of four dairy animals each will be place on type. Classes
will be Holstein cows or Holstein heifers.
Participants will be permitted to view the animals but will not be permitted
to handle them.
The correct placing in each class will be worth 50 points.
E. Oral reasons
Oral reasons will be required on one class, which will be designated by the
Oral reasons will be given in the rotation following the class designated
as the reasons class.
A perfect score on oral reasons is worth 50 points.
Patricipants should not use notes during delivery of reasons. If notes
are used, a maximum score is 40 points.
Participants will be given at least 12 minutes to prepare their set of reasons.