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Feedlot practices which may affect quality grade in Brahman cross cattle
a difference of 28.67 points in favor of Feedyard A.
according to the USDA graders. The Control grader found
accounted for 29.8% of the total variation between the
Additional fat thickness on the cattle from Feedyard A
average quality grade between the test cattle from
cattle can be attributed to differences in USDA graders.
cattle were sent to two of the feedyards for closer
Choice, the test group from Feedyard A graded 28.57
different feedyards across the country. Test groups of
examination and comparison. In terms of percent USDA
Feedyard A and the average set of cattle from the same
for 36 h (compared to 24 h for the Feedyard A carcasses)
from Feedyard B suggested there was no difference in
in the test cattle included: fat added to the ration,
in the test cattle were days on feed and total energy
intake, both of which favored Feedyard A. Some other
of Advisory Committee: Dr. Shawn Ramsey Dr. Steve Wikse
Over I 1,000 calves were sent from the same ranch to 13
points higher than the test group from Feedyard B
possible factors which could have affected quality grade
probable feedlot practices which affected quality grade
project has a dramatic impact on quality grade. Co-Chairs
ranch fed at Feedyard B, If this data is accurate, it
space, and treatment just prior to slaughter. Other data
suggests that none of the differences studied in this
Therefore, none of the difference between the two sets of
time of day cattle were shipped to the packing plant, pen
two sets, but the carcasses from Feedyard B were chilled
which would increase the total variation. The most
Issued also on microfiche from Lange Micrographics.
Includes bibliographical references: pages 45-48.