ARPAS Practice Exam | 100 out of 100 | Questions and
Answers | Latest 2025/ 2026 Update | GRADED A
(Verified Solutions)
…..
Question:
If the moisture content of a haylage sample is 55%, what is the dry matter content?
Answer:
45% DM
Question:
If alfalfa hay is priced at $250/ton (10% moisture), what is the value of haylage (45% moisture)
of equivalent quality?
Answer:
100-10=.90 DM
100-45=.55 DM
250/.90*.55= $152.76/ton
Question:
If corn silage at 60% moisture is worth $60/ton, what is the value of corn silage at 70%
moisture?
Answer:
100-60=.40 DM
100-70= .30 DM
60/.40*.30= $45.00/ton
,Question:
If haylage at 45% dry matter costs $125.00/ton, what is the value of a similar haylage at 60%
DM?
Answer:
125.00/.45*.60= $166.66/ton
Question:
A sample that is tested for digestibility in the laboratory using rumen fluid in a flask or test tube
is said to be done:
Answer:
In Vitro
Question:
The lint on cottonseeds is pure:
Answer:
Cellulose
Question:
What does the term NEFA stand for?
Answer:
Non Esterfied Fatty Acid
,Question:
A pulsator cycle is the time, in seconds, for a milking pulsator to complete one milk phase and
one massage (rest) phase.
Answer:
True
Question:
What should be the average weight gain for a heifer to calve at 24 months of age?
Answer:
1.8 lb/day
Question:
The method of calculation for nonfiber carbohydrates is:
Answer:
100 - (%NDF + %CP + %fat + % ash)
Question:
A freemartin heifer is most accurately called a _______
Answer:
Chimera
, Question:
PEM is caused by thiamin deficiency in cattle. What does PEM stand for?
Answer:
Polioencephalomalacia
Question:
B-vitamins are fat soluble.
Answer:
False
Question:
Magnets to collect potentially damaging metal objects should be placed in which stomach
compartment?
Answer:
Reticulem
Question:
The NRC Nutrient Requirements books, published by the National Academy Press, are
developed by subcommittee of the National Research Council.
Answer:
False
Answers | Latest 2025/ 2026 Update | GRADED A
(Verified Solutions)
…..
Question:
If the moisture content of a haylage sample is 55%, what is the dry matter content?
Answer:
45% DM
Question:
If alfalfa hay is priced at $250/ton (10% moisture), what is the value of haylage (45% moisture)
of equivalent quality?
Answer:
100-10=.90 DM
100-45=.55 DM
250/.90*.55= $152.76/ton
Question:
If corn silage at 60% moisture is worth $60/ton, what is the value of corn silage at 70%
moisture?
Answer:
100-60=.40 DM
100-70= .30 DM
60/.40*.30= $45.00/ton
,Question:
If haylage at 45% dry matter costs $125.00/ton, what is the value of a similar haylage at 60%
DM?
Answer:
125.00/.45*.60= $166.66/ton
Question:
A sample that is tested for digestibility in the laboratory using rumen fluid in a flask or test tube
is said to be done:
Answer:
In Vitro
Question:
The lint on cottonseeds is pure:
Answer:
Cellulose
Question:
What does the term NEFA stand for?
Answer:
Non Esterfied Fatty Acid
,Question:
A pulsator cycle is the time, in seconds, for a milking pulsator to complete one milk phase and
one massage (rest) phase.
Answer:
True
Question:
What should be the average weight gain for a heifer to calve at 24 months of age?
Answer:
1.8 lb/day
Question:
The method of calculation for nonfiber carbohydrates is:
Answer:
100 - (%NDF + %CP + %fat + % ash)
Question:
A freemartin heifer is most accurately called a _______
Answer:
Chimera
, Question:
PEM is caused by thiamin deficiency in cattle. What does PEM stand for?
Answer:
Polioencephalomalacia
Question:
B-vitamins are fat soluble.
Answer:
False
Question:
Magnets to collect potentially damaging metal objects should be placed in which stomach
compartment?
Answer:
Reticulem
Question:
The NRC Nutrient Requirements books, published by the National Academy Press, are
developed by subcommittee of the National Research Council.
Answer:
False
