CDE Test 2 Flashcards Preview

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Flashcards in CDE Test 2 Deck (36):
1

Hormones are organic catalyst that influence the growth and development of the body and are produced in the:

endocrine system

2

In what part of the respiratory system are the passages from the nostrils and the mouth joined?

pharynx

3

The pancreas produces which hormone?

insulin

4

What major mineral is often lacking in animal rations?

calcium

5

The proportion of the total variation is offspring from parents due to additive gene effects:

heritability

6

Which trait in beef cattle has the highest heritability estimate?

ribeye area

7

Which trait in sheep has the lowest heritability estimate

fee efficiency

8

The diploid number (pairs of chromosomes) for sheep is:

27

9

Which gland in the male produces the sperm cells?

testicles

10

The average age for cattle to reach puberty is:

6-8 months

11

The average length of the estrus cycle in swine is:

21 days

12

The release of the egg from the ovary is called:

ovulation

13

Which region of the United States produces the most beef cattle?

Southwest

14

Which breed of cattle is classified as a Bos indicus type?

Braham

15

What is the standard number of days that beef cattle weaning weights are adjusted to?

205

16

The normal average bod temperature for healthy beef cattle is:

101.5 degrees F

17

What is the length of time that bacteria causing Anthrax can remain in the soils?

40 years

18

Pinkeye, the common name of this disease, is carried by insects and affects the eyes of the animal:

Infectious Keratitis

19

Which nutritional disease is a hear condition of beef cattle at high altitudes?

Brisket Disease

20

White Muscle disease is caused by deficiency of the trace element:

selenium

21

Which breed of swine is known to produce the largest loin muscle area based on performance tests?

Hampshire

22

What term refers to the degree of refinement of head, hair, hide, and bone of the live hog?

quality

23

Since 1970, which breed of sheep has the largest number registered with their breed association:

Suffolk

24

Which fine wool breed of sheep originated in the United States?

Debouillet

25

The backfat on a market lamb should measure _______ at the 12th rib.

0.15 to 0.20 inches

26

A lack of what substance in the blood causes milk fever in sheep?

calcium

27

What type of parasites are the most serious health problem for sheep?

internal

28

To ________ is to adapt the behavior of an animal to fit the needs of people.

domesticate

29

What two wild stocks did American breeds of swine come from?

Sus vittitus & Sus scrofa

30

Timid, defenseless, and the least intelligent of all tamed livestock, these were thought to be the first wild species domesticated.

sheep

31

Livestock belong to what class of homoeothermic animals that are characterized as having four chambered hearts, mammary glands, and have young born alive?

mammalia

32

All the domestic animals found on the farm are included in what kingdom?

Animalia

33

In the subdivision Pecora of the suborder Ruminantia, are considered "true ruminants" because they have what unique characteristic?

Stomachs with four compartments

34

What does the rumen of a cow contain that allows it to effectively digest low quality feedstuffs?

Microorganisms

35

What percentage of total beef and dairy energy intake in the U.S. consists of roughages and other waste materials that can't be used for human food?

About 75%

36

Which of the following is not a carcass byproduct of slaughter animals?
A. wool
B. meat
c. leather
d. mohair

B. meat