Test questions Flashcards
(29 cards)
What breed factors determine carcass value?
Weight, YG, QG
Whats the 3 factors that determine caracss value of market sheep?
Weight, QG, YG
What does practical mean?
Suitable for a particular purpose
How does practicality apply to market cattle?
-Correct structural build- clean joints, correct hoof shape and comfortable when moving,
-mellow body type- ability to put on finish
What is the difference between YQ of lambs and cattle
Cattle- Determined off the muscle to fat ratio relationship
Sheep- YG is determined off only fat thickness.
Definition of Balance
Built right, correct in composition, good proportion, practical and attractive
Define Evaluation
The making of a judgment about the amount, number, or
value of something; assessment.
Define productivity
The state or quality of producing something
Define practical
Suitable for a particular purpose , its useful
What systems have quality grade standards?
Cattle= Marbling and maturity
Sheep ???
What affects handle quality and how is it effected?
-squareness/freshness (expression of top) rack, lion.
-It effects maturity/age, fat thickness
What does a cut mean? (if given a numeric value)
1-3= close pair, difficult decision
4-5= moderately difficult to easy decision.
6-8=very easy decission
What are some differences in feed efficiency and can we detect them usually?
Impossible to detect unless your feeling the animal. However feed efficient animals grow fast and convert feed resources into edible portions.
Whats our best indicator of marbelling?
Correlated to subcutaneous fat thickness (backfat)
How is YG determined in sheep?
Only by fat thickness
(there a formula)
Whats the trends in 1940’s what breeds where popular?
Breeders (cattle) set about to reduce
frame size
Hasten maturity
Increase fleshing ability
Ability to finish at a younger age and
lighter weight
Trend continued until the late 1950s
British-type breeds (cattle)
What did the USDA do in 1960’s?
Introduced YG
-Putting attention on overfat cattle coming from feed yards (trying to remove them)
What breeds benefited from longer frame cattle ?
Continental breeds- charlaois, limousin, simmental
Who won the chicago fair 1969?
Conoco
What are problems with big cattle?
Heavy carcasses, poor quality grade, calving difficulty
How do you score a placing card?
Possible 24 outcomes in class of 4 animals.
Official judges rank them and designate cuts for the pairs (based of difficulty)
What determines YG in cattle ?
Fat thickness = biggest driver of final YG
-12th rib fat thickness
-% KPH
What is a choice to select spread?
the difference between wholesale boxed beef cutout values for the U.S. Department of Agriculture’s (USDA) Choice and Select quality grade carcasses on any given day
What does a choice to select spread mean for industry demand?