ANSC 3010 EXAM 3 UPDATED ACTUAL QUESTIONS
AND CORRECT ANSWERS
Question:
1. What do the initials GRAs stand for?
Answer:
Generally recognized as safe
Question:
2. What establishes the FDA as the regulatory agency
governing commercial animal feeds?
Answer:
Food, Drug, and Cosmetic Act
Question:
3. Which agency, as part of the Food and Drug
Administration provides a forum for the membership and
industry representation to safeguard the health of animals
and humans.
Answer:
Association of American Feed Control Officials
Question:
4. In the guaranteed analysis on the feed label, which of the
following is not required?
Answer:
Minimum % ash
, Question:
5. Ionophores are commonly used feed additives in beef
and diary cattle diets. We discussed many benefits of
ionophores!
a) In the rumen ionophores
i. Favor the production of which volatile fatty acid?
ii. Decrease the production of which gas?
b) In addition to the 2 benefits above, list 2 other benefits
of ionophores
c) Why is a VFD statement not necessary when using
ionophores in animal feed?
Answer:
a) i. Propionic acid
ii. Methane
b) Increase FE and decreased chance on ketosis
c) No human counterpart
Question:
6. One of the ionophores discussed in class is approved for
calves and heifers, while another ionophore discussed in
class is approved for lactating diary cows as well as
young cattle.. Which ionophore is approved for both
lactating and non-lactating dairy cattle?
Answer:
Rumensin
Question:
7. Paylean and Optaflexx are beta adrenergic agonists that
are legal for finishing swine and beef cattle, respectively.
What is the actual repartitioning agent in these products?
Answer:
Ractopamine
Question:
8. Zilmax is also a beta agonist used in beef cattle. It was a
topic of controversy a few years ago, and Tyson and
Cargill would not accept cattle that were fed Zilmax.
What is the repartitioning agent in Zilmax?
Answer:
Zilpaterol hydrochloride
AND CORRECT ANSWERS
Question:
1. What do the initials GRAs stand for?
Answer:
Generally recognized as safe
Question:
2. What establishes the FDA as the regulatory agency
governing commercial animal feeds?
Answer:
Food, Drug, and Cosmetic Act
Question:
3. Which agency, as part of the Food and Drug
Administration provides a forum for the membership and
industry representation to safeguard the health of animals
and humans.
Answer:
Association of American Feed Control Officials
Question:
4. In the guaranteed analysis on the feed label, which of the
following is not required?
Answer:
Minimum % ash
, Question:
5. Ionophores are commonly used feed additives in beef
and diary cattle diets. We discussed many benefits of
ionophores!
a) In the rumen ionophores
i. Favor the production of which volatile fatty acid?
ii. Decrease the production of which gas?
b) In addition to the 2 benefits above, list 2 other benefits
of ionophores
c) Why is a VFD statement not necessary when using
ionophores in animal feed?
Answer:
a) i. Propionic acid
ii. Methane
b) Increase FE and decreased chance on ketosis
c) No human counterpart
Question:
6. One of the ionophores discussed in class is approved for
calves and heifers, while another ionophore discussed in
class is approved for lactating diary cows as well as
young cattle.. Which ionophore is approved for both
lactating and non-lactating dairy cattle?
Answer:
Rumensin
Question:
7. Paylean and Optaflexx are beta adrenergic agonists that
are legal for finishing swine and beef cattle, respectively.
What is the actual repartitioning agent in these products?
Answer:
Ractopamine
Question:
8. Zilmax is also a beta agonist used in beef cattle. It was a
topic of controversy a few years ago, and Tyson and
Cargill would not accept cattle that were fed Zilmax.
What is the repartitioning agent in Zilmax?
Answer:
Zilpaterol hydrochloride
