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Animal Science 2- Test 6

Total questions: 51

Worksheet time: 41mins

Name
Class
Date
1.

Hay, silage, and pasture grasses are classified as:

a)

minerals

b)

concentrates

c)

roughages

d)

vitamins

2.

Using the Pearson Square method, how many parts of 45.8 percent protein soybean oil meal would be mixed with 32.8 parts of 8.9 percent protein corn to make a 13 percent protein ration?

a)

4.1

b)

13.0

c)

32.8

d)

45.8

3.

Which general principle of balancing a ration considers the price per pound of energy and digestible protein?

a)

the ration should be economical

b)

the ration should be palatable

c)

The ration should be slightly laxative.

d)

The ration should be suitable to the animal

4.

The rule of thumb is that a poultry ration is about:

a)

1 percent of body weight

b)

5 percent of body weight

c)

10 percent of body weight

d)

25 percent of body weight

5.

When compared to as-fed basis, the weight of 100 percent dry matter basis will be:

a)

100 percent higher

b)

about the same

c)

less

d)

more

6.

Data on feed composition calculated on the basis of the average amount of moisture in the feed as it is used on the farm is:

a)

100 percent dry matter basis.

b)

as-fed basis

c)

balanced rations.

d)

feed additives

7.

The first general principle of balancing rations is that the ration should:

a)

contain a variety of feeds

b)

be dry

c)

be economical

d)

meet the nutritional needs.

8.

Using the Pearson square method, how many pounds of 10 percent protein corn and 45.2 percent protein cottonseed meal would be mixed together to make 2,000 pounds of a 15 percent protein feed?

a)

10 corn and 45.2 cottonseed meal

b)

15 corn and 15 cottonseed meal

c)

1,716 corn and 284 cottonseed meal

d)

2,000 corn and 0 cottonseed meal

9.

A ration can have all the nutrients the animal needs in the correct quantities and proportions and still be a poor ration unless it is:

a)

dry

b)

expensive

c)

palatable

d)

the right color

10.

The rule of thumb for feeding fattening cattle is less than two pounds of air-dried roughage and two pounds of concentrates:

a)

every other day

b)

per 100 lbs of body weight

c)

per cow per day.

d)

twice a day

11.

Which general principle of balancing a ration most affects the functioning of the digestive system and satisfies hunger?

a)

Nutrients in the ration should be balanced.

b)

The ration must contain dry matter or bulk.

c)

The ration should be economical.

d)

The ration should be slightly laxative.

12.

Being bulky and succulent and containing a variety of feeds are general principles of a good ration that also affect whether the ration is:

a)

balanced

b)

economical

c)

laxative

d)

palatable

13.

One-third to one-half of the ration fed to livestock is used for:

a)

growth

b)

maintenance

c)

reproduction

d)

work

14.

Using the Pearson Square method, how many pounds of 8.9 percent protein corn and 45.8 percent protein soybean oil meal would be mixed together to make 2,000 pounds of a 14 percent protein feed?

a)

0 soybean oil meal and 2,000 corn

b)

276 corn and 1,724 soybean oil meal

c)

1,724 corn and 276 soybean oil meal

d)

0 corn and 2,000 soybean oil meal

15.

Which class of feeds has the highest percent of fiber?

a)

Concentrates

b)

Minerals

c)

Roughages

d)

Water

16.

Which general principle of balancing a ration makes it easier to balance nutrients?

a)

The ration should be bulky

b)

The ration should be economical

c)

The ration should be slightly laxative

d)

The ration should contain a variety of feeds.

17.

Corn and other grains are classified as:

a)

concentrates

b)

feed additives

c)

minerals

d)

roughages

18.

The rule of thumb for feeding swine is that compared to market hogs, pigs weighing less than 50 pounds and nursing sows require:

a)

higher percent protein

b)

lower percent protein

c)

more roughage

d)

the same percent protein

19.

A ration that has all the nutrients the animal needs in the right proportions and amounts is a:

a)

balanced ration

b)

dry ration

c)

high-protein ration

d)

maintenance ration

20.

Using the Pearson Square method, how many parts of 8.9 percent protein corn would be mixed with 6.1 parts of 45.8 percent protein soybean oil meal to make a 15 percent protein ration?

a)

6.1

b)

15.0

c)

30.8

d)

100.5

21.

Using the Pearson Square method, how many parts of 8.9 percent protein corn, and 45.8 percent protein soybean oil meal are needed to make a 14 percent protein ration?

a)

5.1 parts corn and 31.8 parts soybean oil meal

b)

5.1 parts soybean oil meal and 31.8 parts corn

c)

8.9 parts corn and 45.8 parts soybean meal

d)

14 parts corn and 14 parts soybean oil meal

22.

Which general principle of balancing a ration most affects whether the animal will eat the feed?

a)

Nutrients in the ration should be balanced.

b)

The ration should be economical.

c)

The ration should be palatable.

d)

The ration should be slightly laxative

23.

Data on feed composition calculated on the basis of all moisture removed from the feed is:

a)

0 percent dry matter basis.

b)

100 percent dry matter basis.

c)

as-fed basis

d)

balanced basis

24.

Using the Pearson square method, how many pounds of 8.9 percent protein corn and 45.8 percent protein soybean oil meal would be mixed together to make 2,000 pounds of a 13 percent protein feed?

a)

8.9 corn and 45.8 soybean oil meal

b)

13 corn and 13 soybean oil meal

c)

1,778 corn and 222 soybean oil meal

d)

1,954.2 corn and 45.8 soybean oil meal

25.

Since feed costs make up about 75 percent of the total cost of raising livestock, rations should be the highest quality possible at:

a)

any cost

b)

high cost

c)

low cost

d)

no cost

26.

Materials that are put in animal rations in small amounts to improve feed efficiency, promote faster gains, improve health, or increase production of animal products are:

a)

concentrates

b)

feed additives

c)

hormone implants

d)

roughages

27.

The hormone implanting instrument should be pointed toward the animal’s:

a)

back

b)

feet

c)

head

d)

tail

28.

Which rule summarizes many of the rules and procedures for properly mixing medicated feeds?

a)

clean the mixer

b)

keep records

c)

read and follow the label

d)

properly store additives

29.

Feed additives and hormone transplants are:

a)

illeagal in the United States

b)

nutrients

c)

performance inhibitors

d)

performance stimulants

30.

The needle and the implantation site on the animal’s ear should be cleaned with alcohol to prevent:

a)

crushed pellets

b)

diseases

c)

infections

d)

vein punctures

31.

On beef cattle, the hormone-implanting location is on the backside of the ear in the:

a)

bone tissue

b)

cartilage

c)

middle one-third of the ear.

d)

largest vein

32.

The Federal Food and Drug Administration (FDA) requires any feed with any drug in it to be labeled as a:

a)

feed additive

b)

hormone implant

c)

medicated feed

d)

poisonous substance

33.

Placing the hormone implant in the ear cartilage may cause encapsulation, resulting in:

a)

faster-than-normal absorption.

b)

slower-than-normal absorption

c)

loss of implant

d)

normal absorption

34.

In addition to implanting, hormones can be given to animals as:

a)

feed additives

b)

salt blocks

c)

vaccinations

d)

water additives

35.

A major health concern of using antibiotics at low levels in livestock feed is that disease-causing microorganisms may become:

a)

extinct

b)

resistant

c)

sick

d)

weak

36.

In hormone implants, a dull or bent needle can cause:

a)

crushed pellets

b)

diseases

c)

infections

d)

overdoses

37.

Which is an antibiotic feed additive for swine?

a)

Aureomycin

b)

Tranquilizers

c)

MGA

d)

Ralgo

38.

Using antibiotics and antibacterials at a lower level than would be used to treat sick animals is:

a)

concentrated use

b)

subtherapeutic use.

c)

supratherapeutic use

d)

therapeutic use

39.

Uniformly mixing additives in livestock feed is necessary for all animals to:

a)

get the correct amount

b)

get well

c)

grow at the same rate

d)

have parasite control

40.

Care should be taken to prevent crushing hormone transplant pellets because crushed pellets may result in:

a)

long period of effectiveness.

b)

too slow absorption

c)

too rapid absorption.

d)

loss of implant

41.

Hitting a vein when implanting hormones can result in:

a)

crushed pellets

b)

diseases

c)

loss of implant

d)

overdoses

42.

Which feed additive should be used to control worms in beef cattle or swine?

a)

Antibiotics

b)

Anthelmintics

c)

Hormones

d)

Tranquilizers

43.

To prevent coccidiosis, coccidiostats are included as feed additives for:

a)

beef cattle

b)

dairy cattle

c)

poultry

d)

swine

44.

The primary reason for using feed additives and hormones in livestock is to:

a)

decrease parasites

b)

increase profits

c)

increase reproductive performance.

d)

increase saling price

45.

Organic materials inserted under the skin of a beef animal’s ear to improve performance are:

a)

vitamins

b)

antibiotics

c)

feed additives

d)

hormone implants

46.

Withdrawing the hormone implant needle too rapidly can result in:

a)

artery punches

b)

crushed hormone pellets.

c)

infections

d)

vein puncture

47.

The feed additives that should be selected for use when there is no specific known disease are:

a)

broad-spectrum antibiotics

b)

coccidiostats.

c)

hormones

d)

narrow-spectrum antibiotics.

48.

The greatest economic return from the use of antibiotics in swine feeds is from:

a)

boars

b)

market weight hogs

c)

feeder pigs

d)

sows

49.

When beef cattle are put on spring pasture grass or are fed grain, poloxaline can be used to:

a)

calm animals

b)

prevent bloat

c)

prevent parasites

d)

treat worms

50.

Which feed additive will suppress estrus in beef cattle heifers?

a)

MGA

b)

Monensin (Rumensin)

c)

Neomycin

d)

Tylan

51.

Great care should be taken to clean all medicated feed from the feed mixer to:

a)

avoid drug contamination

b)

avoid extra feed costs

c)

keep feeder from rusting

d)

reduce odors