Animal Science 121 FINAL QUESTIONS
WITH DETAILED VERIFIED ANSWERS
(100% CORRECT ANSWERS) /
ALREADY GRADED A+
Animal Science combines which 3 aspects to improve the production of animal
foods for human use? ✔✔Environment, Business and Science
What does CAFO stand for? ✔✔Confined Animal Feeding Organization
When comparing the typical diet of citizens from developed and developing
countries worldwide, there is a difference in their intake of protein and energy.
Which is statement is true?
a. < protein and >energy
b. < protein and <energy
c. >more and < energy
d. > protein and >energy ✔✔d. > protein and >energy
Of the protein consumed in developed countries, which of the following is
true.
a. most is from plant sources
b. most is from animal sources
c. they consume protein equally from both sources
d. they don't eat protein ✔✔b. most is from animal sources
Forages are lower in _______ when compared to concentrates. ✔✔energy or
digestibility
,Zoology and Animal Science both study animals. How does Animal Science
differ from Zoology in how animal are studied. ✔✔Animal Science considers
animal production
When we consider the definition of animal agriculture, the production of food
and/or fiber using animals, mainly livestock, which traditional livestock species
no longer fits this definition? ✔✔Horses
The primary commodity that we get from livestock is meat which can further
be defined as mostly protein. However, plants also produce protein. That being
the case, why is animal protein considered better for human nutrition?
✔✔Animal protein is of higher quality
Which is the most common breed on the US beef cattle herd? ✔✔Black Angus
Which type of livestock has North American origin?
a. cattle
b. pigs
c. veal
d. hogs
e. none of the above ✔✔e. none of the above
Based on total feed consumed, which of the following are the most efficient?
✔✔swine and poultry
What event occurred in the U.S. that was the beginning of greatly increased
agricultural production per farmer while at the same time reducing the
percentage of income that consumers spend for food? ✔✔Morrill Act
, How are beef and veal different? ✔✔they are mostly different breeds of cattle,
fed differently, managed differently and different ages
EPD is a calculated number that is used for what purpose? ✔✔to determine
that value of a sire in a breeding program
Where are most beef cattle in Oregon produced? ✔✔East side of the state
What changes a heifer into a cow? ✔✔Parturition
Finishing cattle in feed lots is necessary to... ✔✔provide consumers with higher
quality (grade) beef
After weaning, calves become stocker cattle which means... ✔✔they go to
pasture
Scheduling calving in beef cattle is usually dependent on... ✔✔best use of
pasture
Early breeding of heifers may result in... ✔✔low calf weights, reduced number
of calves and birthing difficulties
How does feeding of beef cattle change from the backgrounding lot to the feed
lot? ✔✔decrease roughage; increase concentrates
The beef cattle industry commonly uses hormone implants in their
management systems. The primary purpose of the implants is... ✔✔increase
growth rate and efficiency
WITH DETAILED VERIFIED ANSWERS
(100% CORRECT ANSWERS) /
ALREADY GRADED A+
Animal Science combines which 3 aspects to improve the production of animal
foods for human use? ✔✔Environment, Business and Science
What does CAFO stand for? ✔✔Confined Animal Feeding Organization
When comparing the typical diet of citizens from developed and developing
countries worldwide, there is a difference in their intake of protein and energy.
Which is statement is true?
a. < protein and >energy
b. < protein and <energy
c. >more and < energy
d. > protein and >energy ✔✔d. > protein and >energy
Of the protein consumed in developed countries, which of the following is
true.
a. most is from plant sources
b. most is from animal sources
c. they consume protein equally from both sources
d. they don't eat protein ✔✔b. most is from animal sources
Forages are lower in _______ when compared to concentrates. ✔✔energy or
digestibility
,Zoology and Animal Science both study animals. How does Animal Science
differ from Zoology in how animal are studied. ✔✔Animal Science considers
animal production
When we consider the definition of animal agriculture, the production of food
and/or fiber using animals, mainly livestock, which traditional livestock species
no longer fits this definition? ✔✔Horses
The primary commodity that we get from livestock is meat which can further
be defined as mostly protein. However, plants also produce protein. That being
the case, why is animal protein considered better for human nutrition?
✔✔Animal protein is of higher quality
Which is the most common breed on the US beef cattle herd? ✔✔Black Angus
Which type of livestock has North American origin?
a. cattle
b. pigs
c. veal
d. hogs
e. none of the above ✔✔e. none of the above
Based on total feed consumed, which of the following are the most efficient?
✔✔swine and poultry
What event occurred in the U.S. that was the beginning of greatly increased
agricultural production per farmer while at the same time reducing the
percentage of income that consumers spend for food? ✔✔Morrill Act
, How are beef and veal different? ✔✔they are mostly different breeds of cattle,
fed differently, managed differently and different ages
EPD is a calculated number that is used for what purpose? ✔✔to determine
that value of a sire in a breeding program
Where are most beef cattle in Oregon produced? ✔✔East side of the state
What changes a heifer into a cow? ✔✔Parturition
Finishing cattle in feed lots is necessary to... ✔✔provide consumers with higher
quality (grade) beef
After weaning, calves become stocker cattle which means... ✔✔they go to
pasture
Scheduling calving in beef cattle is usually dependent on... ✔✔best use of
pasture
Early breeding of heifers may result in... ✔✔low calf weights, reduced number
of calves and birthing difficulties
How does feeding of beef cattle change from the backgrounding lot to the feed
lot? ✔✔decrease roughage; increase concentrates
The beef cattle industry commonly uses hormone implants in their
management systems. The primary purpose of the implants is... ✔✔increase
growth rate and efficiency
