Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Nutrition > Exam 3 > Flashcards

Exam 3 Flashcards

1
Q

overconsumption of choline can cause hypertension

A

false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

the production stage in dairy cattle where the BCS is managed by feeding mid to low quality forages and providing about 25 pounds of DMI/day is the

A

far off dry cow period

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

in ruminants TDN tends to overestimate energy for forage and underestimate energy for grains

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

a starter diet for turkeys should contain no more than what percent CP

A

28

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

we can estimate ME, given DE and an assumption about the combined energy lost from urine and gas. the calculation is?

A

ME=0.82 X DE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

free choice access to feeds may require more supervision from the producer

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

HfE goes down with high fiber feeds

A

false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

HdE describes

A

heat of digestion and absorption

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

HfE describes

A

heat of fermentation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

HwE describes

A

heat of waste product formation and excretion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

HrE describes

A

heat of product formation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

beef cows during their 3rd winter should be fed to lose no more than 5-10%of their fall body weight

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

TDN considers losses from heat and urine

A

false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

molasses can be included in the diet at no more than 2% of diet

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

the only mineral with a legal feeding limit is selenium

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

net energy system

A

A: gross energy
B: fecal energy
C: digestible energy
D: urine and gas energy
E: metabolizable energy
F: Heat increment
G: net energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

pyridoxine can be found in high quantities in muscle

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

in the growing feedlot phase, the target ADG is 1-1.75 lbs

A

false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

a lactating cows diet would include low quality forages

A

false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

net energy from a protein is higher than fat due to the energy required to dispose of the by-products from N metabolism

A

false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

a dairy heifer reared as a replacement should gain approximately 3-4 lbs per day from birth to freshening

A

false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

parakeratosis can develop with a deficiency of zinc

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

exposure to cassava, brassicas, DDT, and tetracyclines could possibly lead to what condition

A

goiter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

liquid feeding has some benefits for young weanling pigs as they tend to eat we feed more

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

the SCR Pro collars measure

A

activity
rumination

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

high dietary fat increases requirement of choline

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

what mineral is fed in reduced amounts in laying hens to decrease wet droppings

A

salt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

turkeys are commonly fed in split-sex groups to achieve the correct diet composition

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

in the finishing feedlot phase, the target ADG is 3-3.5 lbs

A

true

30
Q

neonatal pigs are susceptible to iron deficiency due to poor maternal transfer of iron

A

true

31
Q

soybean meal is the most widely used plant protein in poultry feeds

A

true

32
Q

to induce molt, laying hens are fed higher protein, energy, and fiber

A

false

33
Q

when flushing gilt, feed should be increased…

A

up to 14 days before breeding

34
Q

high levels of Mg will interfere with K

A

false

35
Q

temperatures above the thermoneutral zone will increase feed intake

A

false

36
Q

which of the following apply to stocker cattle

A
  • fed to gain 1-1.25lb/d
  • long period (250-350d)
  • often thin or carry little finish
  • weaned calves bought in fall and over wintered on high roughage
37
Q

TDN undervalues protein because it doesn’t 100% combust in the body

A

true

38
Q

all of the following are alerts that can be provided by the SCR collars except

A

internal temp

39
Q

temperatures outside the thermoneutral zone will decrease energy requirements of an animal

A

false

40
Q

DDGs can often lead to consumption of high levels of sulfur

A

true

41
Q

a calorimeter gives a value of energy by measuring what

A

heat released from combustion

42
Q

scurvy is a disease that develops from a vitamin c toxicity

A

false

43
Q

folic acid is required during early digestion for normal neural tube development

A

true

44
Q

indirect calorimetry uses a measurement of gases produced and converts it to a mathematical energy value

A

true

45
Q

a megacalorie is the equivalent of 1000 calories

A

false

46
Q

steely wool can develop in sheep due to a selenium deficiency

A

false

47
Q

calcium deficiency can be commonly observed in early lactation of dairy cattle

A

True

48
Q

vitamin A is transported in the blood bound to RBP

A

true

49
Q

manganese toxicity can lead to a slipped tendon

A

false

50
Q

vitamin D metabolism

A

A: 25 hydroxylase
B: 25 hydroxycholecalciferol
C: kidney
D: 1 alpha-hydroxylase
E: 1,25 Di-Hydroxycholecalciferol
F: 1,25 Di-Hydroxycholecalciferol
G: intestines
H: Ca and HPO4
I: calcification
J: parathyroid hormone

51
Q

Grass tetany is commonly seen in cattle grazing lush pasture in the spring. What mineral deficiency will cause grass tetany?

A

magnesium

52
Q

Polioenchephalomalacia can occur in ruminants with a toxicity of this mineral.

A

sulfur

53
Q

Nutritional muscular dystrophy is caused by a deficiency of what?

A

selenium

54
Q

This mineral when fed at alternating concentrations (at requirements and deficient) can cause striations in wool or hair color due to depigmentation during a deficiency .

A

copper

55
Q

Which mineral is a structural component of vitamin B12?

A

cobalt

56
Q

Rickets can be caused by a deficiency of phosphorus and what other mineral?

A

calcium

57
Q

Salt is a common source of what mineral?

A

sodium

58
Q

A deficiency in this mineral can cause pica.

A

phosphorus

59
Q

Copper is an antagonist for this mineral.

A

zinc

60
Q

The trace mineral most commonly associated with the thyroid hormone thyroxin is ?

A

iodine

61
Q

pica can be a sign of phosphorus deficiency

A

true

62
Q

menaquinone

A

Bacterial synthesized form of vitamin K

63
Q

calcitriol

A

Hormone form of Vitamin D

64
Q

deficiency of vitamin E

A

exudative diatheses

65
Q

Vitamin K is responsible for synthesis of this book clotting factor

A

prothrombin

66
Q

phylloquinone

A

form of vitamin K found in green plants

67
Q

most active form of vitamin E

A

alpha-tocopherol

68
Q

deficiency causes rickets

A

vitamin D

69
Q

retinol

A

Version of vitamin A with 100% bioactivity

70
Q

which of the following is consistent with an additive during finishing phase

A

MGA
Monensin

Nutrition (29 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions