exam 1 (for final)

Question 1

It would be more common to lose dry matter due to leaf shatter in a silage than in a legume hay.

Answer 1

false

Question 2

Quality of hay is inversely proportional to age.

Answer 2

true

Question 3

high fibrous diet= decreased and
increased

Answer 3

propionate, acetate

Question 4

A dietary essential nutrient can be synthesized in the body in correct amounts.

Answer 4

false

Question 5

what is the nitrogen and crude protein equation

Answer 5

Nx6.25

Question 6

Which of the following would not be considered a conserved forage?

Answer 6

pasture grass

Question 7

Of the following options, which would likely have the highest protein content:

Answer 7

alfalfa hay

Question 8

Antoine Lavoisier developed what technology?

Answer 8

calorimeter

Question 9

Cloaca literally means

Answer 9

common sewer

Question 10

Lignin is a carbohydrate.

Answer 10

false

Question 11

William Beaumont confirmed that stomach growling is due to muscle contractions (not tigers in the belly).

Answer 11

true

Question 12

Of the following options which would like have the highest protein?

Answer 12

alfalfa hay

Question 13

To be considered a protein concentrate, a feedstuff must contain at least what percentage crude protein?

Answer 13

20%

Question 14

During the early 1800s British Admiralty ordered what food product be supplied to the navy ships to prevent scurvy?

Answer 14

lime juice

Question 15

roughage category

Answer 15

92% DM, 18% CP, 3.0% EE, 30% CF

Question 16

energy concentrate category

Answer 16

89% DM, 10% CP, 5% EE, 16% CF
citrus pulp

Question 17

protein concentrate category

Answer 17

soybean meal
89% DM, 50% CP, 10% CF

Question 18

mineral supplement

Answer 18

sodium chloride
limestone

Question 19

vitamin supplement

Answer 19

carotene
synthetic A

Question 20

non-nutritive supplement

Answer 20

MGA

Question 21

The first glandular portion of the ruminant stomach is the abomasum.

Answer 21

true

Question 22

The finger-like projection of the intestinal wall is called a

Answer 22

villia

Question 23

The daily supply of feed to an animal refers to what

Answer 23

ration

Question 24

We discussed 5 fates of nutrients in ruminants. Describe one of the fates, and an example of it.

Answer 24

Fate 5 is when the microbes, the lower tract/GI tract, and the colon or cecum do not digest or ferment the ingested feed at all. This would the materials that the microbes can’t digest, so an example would be lignin products.

Question 25

Sugars and starches are predominantly found in which portion of the plant:

Answer 25

within the cell contents

Question 26

Near Infrared Reflectance has to be calibrated based on wet-chemistry analysis.

Answer 26

true

Question 27

dry matter

Answer 27

water

Question 28

crude fiber

Answer 28

fibrous carbs

Question 29

nitrogen free extract

Answer 29

soluble carbs

Question 30

ether extract

Answer 30

fat

Question 31

ash

Answer 31

mineral

Question 32

crude protein

Answer 32

protein

Question 33

Most microbes in the rumen require oxygen.

Answer 33

false

Question 34

Pastures have a high percentage a native grass compared to range.

Answer 34

false

Question 35

To be considered a roughage, a feedstuff must contain more than what percentage crude fiber?

Answer 35

18%

Question 36

animals such as blank conduct coprophagia, and is the practice of eating its own

Answer 36

rabbit, feces

Question 37

The three types of microbes found in the rumen are blank and blank, fungi or yeasts.

Answer 37

bacteria, protozoa

Question 38

If NDF is high, voluntary feed intake will likely be low.

Answer 38

true

Question 39

A chemical element that is required for life refers to what

Answer 39

nutrient

Question 40

Acidosis is a result of a decrease in growth rate of typical rumen bacteria and an increase in bacteria like S. bovis and lactobacillus.

Answer 40

true

Question 41

To calculate protein, we multiply nitrogen by

Answer 41

6.25

Question 42

Horses, lack a blank, the organ responsible for storing bile

Answer 42

gallbladder

Question 43

Of the following, which would not be required to make silage:

Answer 43

oxygen

Question 44

The honeycomb is another name for the rumen.

Answer 44

false

Question 45

Lignin is completely digested by ruminants.

Answer 45

false

Question 46

The mixture of feedstuffs used to supply nutrients refers to what

Answer 46

diet

Question 47

blank density particles will float on the rumen fluid and form a blank layer. Mastication will blank density, and will allow the particles to settle to the blank of the rumen

Answer 47

low, mat, increase, bottom

Question 48

Protozoa make up the largest proportion of microbes.

Answer 48

false

Question 49

Which of the following would be an acceptable way to conduct dry matter?

Answer 49

forced air oven
microwave oven
freeze drying

Question 50

Including high levels of RAC in the diet = increased blank and decreased blank

Answer 50

propionate, acetate

Question 51

The omasum is sometimes referred to as the Butcher’s Bible.

Answer 51

true

Question 52

The first glandular portion of the chicken GIT is the ventriculus.

Answer 52

false

Question 53

If ADF is low, digestibility is low.

Answer 53

false

Question 54

Of the following which do not have salivary amylase?

Answer 54

sheep
horse
cow

Question 55

Which of the following can be absorbed in the large intestine.

Answer 55

calcium
water
VFAs

Question 56

NFE type of fiber

Answer 56

sugars, starches, hemicellulose, some lignin

Question 57

CF type of fiber

Answer 57

cellulose
some lignin

Question 58

NDF type of fiber

Answer 58

cellulose
hemicellulose
lignin

Question 59

ADF type of fiber

Answer 59

cellulose
lignin