ANSC 301 EXAM SCRIPT FINAL PAPER FULL
QUESTIONS AND ANSWERS 2026
◉ Which of the following technological advancements is typically
used in engineering livestock?
Answer: CRISPR-Cas9
◉ The beta-agonist Paylean is approved for use in international
markets.
Answer: false
◉ Paylean (Ractopamine) is a beta agonist that is still commonly
used in pork production in the U.S.
Answer: false
◉ Which of the following ruminant emissions causes the most
concern from a greenhouse gas perspective?
Answer: Methane
◉ Businesses in California are not allowed to knowingly sell eggs or
uncooked pork or veal that came from animals that do not meet
animal housing standards.
, Answer: True
◉ Please list one element that should be considered when thinking
about animal housing.
Answer: ventilation
◉ More land in the world is used for crop production than livestock
production.
Answer: false
◉ Which of the following describes why some livestock producers
use medicated feeds?
Answer: To improve feed efficiency, increase growth, promote a
healthier digestive environment
◉ Which of the following legislative acts in California called for
changes in confinement housing for veal calves, swine, and egg-
laying hens?
Answer: Prop 12
◉ Which of the following describes a way that genetic engineering
could be beneficial to livestock?
Answer: Improve disease resistance, tolerance to heat, and protein
accretion to increase muscle
QUESTIONS AND ANSWERS 2026
◉ Which of the following technological advancements is typically
used in engineering livestock?
Answer: CRISPR-Cas9
◉ The beta-agonist Paylean is approved for use in international
markets.
Answer: false
◉ Paylean (Ractopamine) is a beta agonist that is still commonly
used in pork production in the U.S.
Answer: false
◉ Which of the following ruminant emissions causes the most
concern from a greenhouse gas perspective?
Answer: Methane
◉ Businesses in California are not allowed to knowingly sell eggs or
uncooked pork or veal that came from animals that do not meet
animal housing standards.
, Answer: True
◉ Please list one element that should be considered when thinking
about animal housing.
Answer: ventilation
◉ More land in the world is used for crop production than livestock
production.
Answer: false
◉ Which of the following describes why some livestock producers
use medicated feeds?
Answer: To improve feed efficiency, increase growth, promote a
healthier digestive environment
◉ Which of the following legislative acts in California called for
changes in confinement housing for veal calves, swine, and egg-
laying hens?
Answer: Prop 12
◉ Which of the following describes a way that genetic engineering
could be beneficial to livestock?
Answer: Improve disease resistance, tolerance to heat, and protein
accretion to increase muscle
