Exam (elaborations)
ANSC 4395 Exam
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Exam of 4 pages for the course ANSC 4395 at ANSC 4395 (ANSC 4395 Exam)
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ANSC 4395 ExamAnimal Breeding - ANSWER The science of using the principles of genetics to make
improvement in a livestock species
Robert Bakewell - ANSWER "Father of animal breeding"
Leased out males
Mate the 'best of the best'
shorthorn cattle - ANSWER First organized breed of livestock 1580
Gregor Mendel - ANSWER Father of genetics
Established basic genetic principles
population genetics - ANSWER Branch of genetics which deals with the factors that
affect the genetic structure of population
Dr. Jay lush - ANSWER "Father of Modern Animal Breeding"
Established principle of selection, use of inbreeding, crossbreeding to make hybrid
vigor
Primary goal of animal breeders - ANSWER identify animals with desirable genes
and increase the frequency of those genes
What is the best animal? - ANSWER Lab-show winner or best retriever
Cattle- cutability/ %muscle or quality grade
Dairy-most milk or best udder, feet, and legs
EVERYONE HAS THEIR OWN OPINION
system approach - ANSWER Determining the best animal
System - ANSWER Group of interdependent component part
animal - ANSWER Characteristics genotype, may be more than one
physical environment - ANSWER Elements of environment over which humans
exert little or no control
fixed resources - ANSWER Size of the farm
Ability to grow supplementary feeds
Available labor
Management - ANSWER Policies implemented by the farmer — feeding,
healthcare, length of time an animal is on the farm
Economics - ANSWER Costs of farm inputs like feed, labor, and supplies and the
prices of farm outputs.
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