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ANS 210 > ANS 110 Exam 2- review > Flashcards

ANS 110 Exam 2- review Flashcards

1
Q

T/F-Eighteen breeds of purebred cattle provide the genetic base, but make up less than 2% of the U.S. beef herd.

A

True

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2
Q

T/F-Phenotype represents the genetic makeup of the animal.

A

False

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3
Q

What would the predicted EBV of a piglet be if the dam had a rib eye EBV value of +10in2 and the sire had an EBV value of +14in2 ?

A-+12in2
B-+9in2
C-+11in2
D-+24in2

A

A

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4
Q

How is EBV used in genetic selection of livestock?
A-Producers use them to create the best genetic potential in their herds.
B-Producers use them to keep their herd the way it is.
C-Producers do not look at EBVs very much when it comes to breeding.
D-Producers are most worried about the way the animal looks instead of the genetics behind it, so they use EBVs as a crutch and only use them if they do not know what they are doing.

A

A

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5
Q

Which of the following are careers in genetics? Select all that apply.
-Researcher
-extension specialist
-Feed sales rep
-Technician
-Behavior analyst

A

All of the above

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6
Q

____+___= Phenotype

A

Genetics + Environment

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7
Q

Any sheep, goat, or horse between 12 and 24 months of age is called a ______.
A- Yearling
B-Weanling
C-Lamb
D- Steer

A

A- Yearling

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8
Q

A castrated male sheep (or goat) is called a _____.
A-shoat
B-Weather
C-Wether
D-None of the above

A

C- wether

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9
Q

Which of the following are breeds of sheep maintained at Michigan State University?
A-Dorper
B-Suffolk
C-Dorset
D-B and C

A

D- Dorset and Suffolk

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10
Q

The gestation length of sheep and goats is

A

150-152 days

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11
Q

The breed of sheep that is white with a black face is the ___________.

A

Suffolk

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12
Q

T/F. The term used to describe a difficult birth, or when offspring are not in the correct position during delivery is dysphoria.

A

False- Distoca

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13
Q

Why are tails docked in lambs?

A

Prevent fly strike

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14
Q

An intact male bovine is called a

A

Bull

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15
Q

A female bovine aged 2 years or over, that has produced a calf is called a

A

Cow

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16
Q

A castrated male bovine is called a

A

Steer

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17
Q

Which of the following is/are true?

A-Polled Herefords are red with a bald white face
B-Polled Herefords are typically docile with good mothering traits.
C-Polled Herefords have horns
D- Both A and B

A

D- both A and B

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18
Q

T/F- Cattle or other animals that are polled do not have horns either genetically or because they have been removed.

A

True

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19
Q

Prior to producing her first calf, a bovine female is called a

A

Heifer

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20
Q

Which of the following countries are in the top 3 in cattle & buffalo numbers?
A-USA
B-India
C-Brazil
D both B and C

A

D. both b and C
** the countries are India, china, and brazil

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21
Q

Which of the following are in the top 3 countries in beef consumption?
A- USA
B-Argentina
C-Canada
D- all of the above

A

B- Argentina

22
Q

The leading state in beef cow numbers is

A

Texas!

23
Q

T/F- The leading statle in beef cattle on feed is Nebraska.

A

True

24
Q

Which of the following are part of the beef supply chain as described in lecture?
A- Seedstock
B-Backgrounds
C- Food service
D- All of the above

A

D- All of the above!

25
Q

T/F- There are about 80 breeds of beef cattle in the U.S. with approximately 10 having a significant impact on the commercial beef industry.

A

False

26
Q

Which of the following may be used to classify breeds of cattle?
A- Function
B-Quality of movement
C- Origin
D- A and C

A

D- Function and Origin

27
Q

The purebred breed of black cattle produced at the MSU Beef Teaching & Research Cow Calf facility is

A

Angus

28
Q

Which of the following Dairy breeds are frequently found in Michigan feedlots?

A

Holstein

29
Q

Which of the following are true about Bos Indicus type breeds?

A

Maternal, heat tolerant and late in puberty

30
Q

T/F- Eighteen breeds of purebred cattle provide the genetic base, but make up less than 2% of the U.S. beef herd.

A

True

31
Q

Which of the following represents the correct order of the U. S. Beef Production Cycle?

A

Cow calf, weaning, stocker, feedyard

32
Q

T/F- The mean Cow Calf herd size in the U.S. is 100 cows.

A

False

33
Q

Which of the following are true with regard to breeding beef cattle?

A

The average pregnancy rate in the fall is about 90% of cows exposed to breeding.

34
Q

T/F- Mature cows will experience dystocia about 12% of the time.

A

False

35
Q

Which of the following are true with respect to weaning beef calves?

A

Typically vaccinated before they are weaned

36
Q

Which of the following is true with respect to backgrounding or stocker programs?

A

Middlemen between cow herds and feedlots and their goal is growth not fattening

37
Q

Which of the following are not true with respect to the Feedlot Phase?

A

cattle on feed eat high roughage diets

38
Q

T/F- Cattle use land to produce food for people that would otherwise be unuseable.

A

True

39
Q

T/F- There is more estrogen in a 3 oz. portion of peas than in a similar sized portion of implanted beef.

A

True

40
Q

T/F- The State Veterinarian for Michigan is Dr. James Averill.

A

False- its Dr. Nora

41
Q

Which of the following are true with respect to regulatory veterinary medicine?
A-The State Veterinarian’s office is especially concerned with zoonotic diseases.
B-The State Veterinarian maintains a list and surveillance program of reportable diseases, such as Bovine TB.
C-The State Veterinarian is also responsible for protecting the health of Michigan cats and dogs
D- All of the above

A

D- all of the above

42
Q

T/F- There are 9 million dairy cattle in the United States.

A

True

43
Q

There are ________ Dairy cattle in Michigan.

A

420,000

44
Q

The number one state with respect to milk produced per cow is ___________.

A

Michiagn

45
Q

The number one Dairy state with respect to number of cows is _________.

A

California

46
Q

T/F- Dairy is the leading animal industry in the state of Michigan based on farm receipts.

A

True

47
Q

T/F-Horses and reindeer are a source of milk in some countries.

A

True

48
Q

The black and white Dairy breed used by MSU (and many others) is the

A

Holstein

49
Q

Which of the following are true?
A-Conception is challenging in high producing cows.
B-The majority of Dairy cattle are bred by embryo transfer.
C-A cow should calve every 20 months.
D- None of the above

A

A- Conception is challenging in high producing cows

50
Q

T/F- Phenotype represents the genetic makeup of the animal.

A

False

51
Q

T/F-Producers should judge animals based on phenotype only, not genotype.

A

False

52
Q

How much of each parents’ genetic potential is passed to their offspring?

A

50%

ANS 210 (2 decks)

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