ANSC 3010 FINAL UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS
Question:
1. First and most important feed given to newborn calves,
lambs and kids is
Answer:
colostrum
Question:
2. What does this "first feed" provide to the calf/lamb/kid?
Answer:
antibodies, energy, protein
Question:
3. Intake of which feed stimulates rumen development in
dairy calves
Answer:
calf starter
Question:
4. The intake of this feed in the question above stimulates
rumen develop because of the production of
Volatile fatty acids in the rumen. Which 2 VFA's promote
develop of the rumen papillae?
Answer:
propionate and butyrate
Question:
5. When weaning dairy calves, age should not be used as
the criteria to decide when to stop feeding milk replacer.
There's a "rule of thumb" we use to determine when we
can wean the calf. This rule states
that the calf should be consuming _______ pounds of calf
starter per day for 3 consecutive days.
Answer:
1.5
,Question:
6. Lactating dairy cows should drink how many gallons of
water per pound of milk produced
Answer:
1-2
Question:
7. after initial colostrum, what are 2 possible sources of
liquid feed for young dairy calve
Answer:
whole milk, fermented colostrum
Question:
8. Which 2 Ionophores aid in the prevention of coccidiosis
and also improve gain and feed efficiency
Answer:
lasalocid, monesin
Question:
9. Anionic salts are fed during the close up dry period to
prevent which disorder in dairy cows?
Answer:
Dietary cation-anion difference (DCAD)
Question:
10. Deficiencies of vitamin E and selenium have been
associated with which disorder in dairy cattle
Answer:
retained placenta
Question:
11. In the lactation cycle of the dairy cow, after calving which
peaks first?
a. Milk production c. body weight gain b. Dry matter
intake d. all occur at the same time
Answer:
milk production
, Question:
12. In early lactation, cows can't eat enough to meet their
nutrient needs for production. We typically say
that these cows are in __________________ ______________
________________.
Answer:
negative energy balance
Question:
13. In meeting the protein needs of the dairy cow, it is
important to consider the different types of proteins (or
protein fractions).
a. Dietary protein that is fermented in the rumen and
converted to microbial protein is
called____________________________________.
b. Dietary protein that is not fermented in the rumen and
"escapes" or bypasses to the small intestine is called
______________________________________.
Answer:
a. RDP rumen degradable protein
B. RUP rumen undegradable protein
Question:
14. The body condition score of the dairy cow at the end of
lactation (when she is "dried off") should be
Answer:
3.25-3.75
Question:
15. When is fat commonly added to the diets of dairy cattle
Answer:
early lactation and during heat stress
Question:
16. When a lactating dairy cow is at peak milk production, it is
very difficult to meet her nutrient demands. However, it is
very important to make sure she has adequate fiber in her
diet. (2 pts).
Which VFA, produced from the fermentation of forages,
is the precursor for milk fat synthesis?
Answer:
acetic acid
fiber promotes a higher pH
CORRECT ANSWERS
Question:
1. First and most important feed given to newborn calves,
lambs and kids is
Answer:
colostrum
Question:
2. What does this "first feed" provide to the calf/lamb/kid?
Answer:
antibodies, energy, protein
Question:
3. Intake of which feed stimulates rumen development in
dairy calves
Answer:
calf starter
Question:
4. The intake of this feed in the question above stimulates
rumen develop because of the production of
Volatile fatty acids in the rumen. Which 2 VFA's promote
develop of the rumen papillae?
Answer:
propionate and butyrate
Question:
5. When weaning dairy calves, age should not be used as
the criteria to decide when to stop feeding milk replacer.
There's a "rule of thumb" we use to determine when we
can wean the calf. This rule states
that the calf should be consuming _______ pounds of calf
starter per day for 3 consecutive days.
Answer:
1.5
,Question:
6. Lactating dairy cows should drink how many gallons of
water per pound of milk produced
Answer:
1-2
Question:
7. after initial colostrum, what are 2 possible sources of
liquid feed for young dairy calve
Answer:
whole milk, fermented colostrum
Question:
8. Which 2 Ionophores aid in the prevention of coccidiosis
and also improve gain and feed efficiency
Answer:
lasalocid, monesin
Question:
9. Anionic salts are fed during the close up dry period to
prevent which disorder in dairy cows?
Answer:
Dietary cation-anion difference (DCAD)
Question:
10. Deficiencies of vitamin E and selenium have been
associated with which disorder in dairy cattle
Answer:
retained placenta
Question:
11. In the lactation cycle of the dairy cow, after calving which
peaks first?
a. Milk production c. body weight gain b. Dry matter
intake d. all occur at the same time
Answer:
milk production
, Question:
12. In early lactation, cows can't eat enough to meet their
nutrient needs for production. We typically say
that these cows are in __________________ ______________
________________.
Answer:
negative energy balance
Question:
13. In meeting the protein needs of the dairy cow, it is
important to consider the different types of proteins (or
protein fractions).
a. Dietary protein that is fermented in the rumen and
converted to microbial protein is
called____________________________________.
b. Dietary protein that is not fermented in the rumen and
"escapes" or bypasses to the small intestine is called
______________________________________.
Answer:
a. RDP rumen degradable protein
B. RUP rumen undegradable protein
Question:
14. The body condition score of the dairy cow at the end of
lactation (when she is "dried off") should be
Answer:
3.25-3.75
Question:
15. When is fat commonly added to the diets of dairy cattle
Answer:
early lactation and during heat stress
Question:
16. When a lactating dairy cow is at peak milk production, it is
very difficult to meet her nutrient demands. However, it is
very important to make sure she has adequate fiber in her
diet. (2 pts).
Which VFA, produced from the fermentation of forages,
is the precursor for milk fat synthesis?
Answer:
acetic acid
fiber promotes a higher pH
