2021 + mix Flashcards

1
Q

The microscopical qualification of feedstuffs is useful for:

A. examination of identity
B. recognition of contaminations
C. recognition of falsification
D. all

A

D. all

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2
Q

The most important anti-nutritive factors in full-fat soybean are:

A. goitrogens
B. tannic acids
C. trypsin inhibitors
D. gossypol

A

C. trypsin inhibitors

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3
Q

Which statement is false for green forages?

A. these are cheap and palatable feeds

B. their nutrition contents quite variable

C. with the maturity, the digestibility of their nutrient contents improves

D. these are generally low in readily available carbohydrates

A

C. with the maturity, the digestibility of their nutrient contents improves

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4
Q

Its quantity in the feed is determined by kjeldahl method:

A. Nitrogen-free extract (NfE)
B. ether extract (EE)
C. crude protein (CP)
D. crude fibre (CF)

A

C. crude protein (CP)

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5
Q

if strong ion difference (SID) is increased:

A. There is a compensatory decrease in the amount of bicarbonate and metabolic alkalosis occurs

B. There is a compensatory increase in the amount of bicarbonate and metabolic acidosis occurs

C. There is a compensatory increase in the amount of bicarbonate and metabolic alkalosis occurs

D. There is a compensatory decrease in the amount of bicarbonate and metabolic acidosis occurs

A

C. There is a compensatory increase in the amount of bicarbonate and metabolic alkalosis occurs

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6
Q

Which statement is true for HACCP system related to hazards:

A. identification
B. evaluation
C. control
D. all

A

D. all

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7
Q

onset of puberty is closely correlated to:

A. protein supply
B. energy supply
C. vitamin supply
D. essentail fatty acid supply

A

D. essentail fatty acid supply

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8
Q

it can be used for flushing in sows:

A. Mg
B. Vitamin C
C. Vitamin E
D. biotin

A

D. biotin ( we also have folic acid)

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9
Q

typical living circumstances of rumen flora and fauna:

A. Strictly anaerobic system
B. continuous acid production
C. almost constant pH
D. all

A

D. all

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10
Q

One of its toxicity syndromes is exostosis on cervical vertebrae in cats:

A. Ca
B. P
C. vitamin B12
D. vitamin A

A

D. vitamin A

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11
Q

To formulate a ration in dairy cows, the following data are needed:

A. BW
B. milk protein content (%)
C. milk fat content (%)
D. all

A

D. all

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12
Q

The … paper contains the priority of EU`s food safety policy:

A. blue
B. yellow
C. white
D. red

A

C. white

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13
Q

What is the limiting/anri-nutritive factor of extracted sunflower meal?

A. goitrogens
B. eruric acid
C. Met
D. crude fibre content

A

D. crude fibre content

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14
Q

Urea supplement is used as a source of:

A. CP
B. NPN
C. MPE
D. UDP

A

B. NPN

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15
Q

In case of lactacidosis these bacteria er dominant in the rumen:

A. ruminobacter amylophylus
B. ruminococcus albus
C. streptococcus bovis
D. all

A

C. streptococcus bovis

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16
Q

Which statement is false?

A. EU`s food safety policy is to keep contaminants away from feed

B. the feed safety does not consider the hazards caused by new and unconventional agro-industrial by-products

C. feeds can cause the contamination of food

D. consignments of non-animal origin feeds have not controlled by TRAECES

A

B. the feed safety does not consider the hazards caused by new and unconventional agro-industrial by-products

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17
Q

It can bind mycotoxins (e.g aflatoxin)

A. zeolite
B. ZnO
C. MgO
D. lecithin

A

A. zeolite ( also bentonite)

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18
Q

The pH of corn silage is:

A. always higher than that of alfalfa haylage

B. as much as that of alfalfa haylage

C. always lower than that of alfalfa haylage

D. lower than that of alfalfa haylage if it has been wilted

A

C. always lower than that of alfalfa haylage

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19
Q

The role of short-term regulation of feed intake is to assure:

A. body weight
B. energy reserves
C. body composition
D. neither

A

A. body weight

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20
Q

a high-yielding dairy cow has an increased demand for… in her daily ration:

A. MP
B. NPN
C. RDP
D. UDP

A

A. MP

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21
Q

When using the proximate analysis of feeds, it is a calculated (not chemically determined) value of the feed:

A. water content
B. nitrogen-free extract (NfE)
C. both
D neither

A

C. both

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22
Q

This mycotoxins has a pronounced immunosuppressive effect:

A. T-2
B. DON
C. both
D. neither

A

C.. both

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23
Q

Biochemical marker used for control of specific mineral supply:

A. selenium
B. vitamin B6
C. ferritin
D.. caeruloplasmin

A

D. caeruloplasmin

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24
Q

among cereal grains, oats are relatively high in:

A. ether extract
B. crude fibre
C. both
D. neither

A

C. both

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25
Q

both UDP and by-pass fat source/s/:

A. raw full-fat soybean meal
B. heat treated extracted soybean meal
C. hot-pressed rapeseed cake
D. all

A

C. hot-pressed rapeseed cake

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26
Q

These are the consequences of high-concentrate ration of racehorse:

A. lower DCAB, increased blood pH

B. lower DCAB, decreased blood pH

C. higher DCAB, increased blood pH

D. higher DCAB, decreased blood pH

A

C. higher DCAB, increased blood pH

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27
Q

Concentrated feed/s/ is/are the following:

A. dried whey powder
B. brewers grains
C. dehydrated alfalfa meal
D. all

A

B. brewers grains

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28
Q

Cause of postpartum eclampsia / puerperal tetany:

A. hyperphosphataemia
B. hypomagnesaemia
C. hypocalcaemia
D. hypernatraemia

A

C. hypocalcaemia

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29
Q

Role of omega 3 fatty acids in chronic disease :

A. reduced production of omega-6 fatty acids, thereby production of arachidonic acid

B. precursor of arachidonic acid assisting in immune response

C. has a prothrombin effect

D. reduces EPA and DHA levels, thereby reducing the production of arachidonic acid

A

A. reduced production of omega-6 fatty acids, thereby production of arachidonic acid

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30
Q

Non-infectious abortion may be caused by:

A. gluons of barley
B. pentosans of rye
C. endophytes of fescue grass
D. acetic acid content of corn silage

A

C. endophytes of fescue grass

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31
Q

which vitamin does not have an energy-releasing function:

A. vitamin B1
B. vitamin B2
C. vitamin B6
D: biotin

A

D: biotin

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32
Q

The chemical score (CS) reflects:

A. crude protein content of the feedstuff

B. digestible crude protein of the feedstuff

C. amino acid content of the feed protein

D. quantity of one essential amino acid in the feed protein

A

D. quantity of one essential amino acid in the feed protein

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33
Q

the beta-carotene content of alfalfa hay can be decreased mostly by:

A. cell respiration
B. plant enzymes
C. sun light
D. raining

A

B. plant enzymes

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34
Q

physiological function/s/ of the intestinal flora:

A. degradation of bile salt
B. production of volatile fatty acids
C. both
D. neither

A

C. both

35
Q

How to determine the Ether extract (EE) content of feeds?

A. by Kjeldah method
B. by Soxhlet method
C. by Van Soest method
D. by calculation

A

B. by Soxhlet method

36
Q

Their DE content is about 12-15 MJ/kg:

A. Cereal grain
B. Grasses
C. Alfalfa hay
D. Corn silage

A

A. Cereal grain

37
Q

Their NFE content is about 70-80 %

A. Cereal grain
B. Grasses
C. Alfalfa hay
D. Corn silage

A

A. Cereal grain

38
Q

Give a bitter taste:

A. Rye
B. oat
C. barley
D. wheat

A

A. Rye

39
Q

What is the meaning of GE ?

A

Gross energy

40
Q

What is the meaning of DE ?

A

Digestible energy

41
Q

What is the meaning for ME ?

A

Metabolizable energy

42
Q

What is the meaning for NEm ?

A

Net energy for maintance

43
Q

What is the meaning for NEI ?

A

Net energy for lactation

44
Q

What is the meaning for NEq ?

A

Net energy for gain

45
Q

the energy requirement of mongastric animalsis expressed with this unit of measure:

A. MJ/Kg feed
B. MJ/Kg dry matter
C. Kj/Kg dry matter
D. MJ / day

A

A. MJ/Kg feed

46
Q

What statement is correct?

A. DE = GE minus urinary and gaseous energy losses
B. ME = DEE minus heat increment
C. DE= ME minus GE
D. ME= DE minus urinary and gaseous energy loss

A

D. ME= DE minus urinary and gaseous energy loss

47
Q

in dairy goats and cows the energy requirements for maintenance is expressed by:

A. NEm
B. NEI
C. NEm + NEg
D. MEm

A

B. NEI

48
Q

in meat type goats the energy requirements for maintenance is expressed by:

A. NEm
B. NEI
C. NEm + NEg
D. MEm

A

C. NEm + NEg

49
Q

in sheep , beef cattle and dairy heifers the energy requirements for maintenance is expressed by:

A. NEm
B. NEI
C. NEm + NEg
D. MEm

A

C. NEm + NEg

50
Q

It plays an important role in the short-term control of feed intake:

A. Growth hormone (GH)
B. GH-RH
C. Cholecytokinin
D. Insulin

A

C. Cholecytokinin

51
Q

It plays an important role in the short-term control of feed intake:

A. Growth hormone (GH)
B. GH-RH
C. Ghrelin ( peripheral hunger peptide)
D. Insulin

A

C. Ghrelin ( peripheral hunger peptide)

52
Q

Long-term control of feed intake is influenced by:

A. Blood glucose
B. Both
C. VFA
D. Neither

A

D. Neither

53
Q

It plays an important role in the long-term control of feed intake:

A. Growth hormone (GH)
B. neuropeptide Y (NPY) = central hunger peptide
C. Ghrelin ( peripheral hunger peptide)
D. Insulin

A

B. neuropeptide Y (NPY) = central hunger peptide

54
Q

Which of the following feed additives will be banned in the EU by 2022?

A. Hormones
B. CuSO4
C. ZnO
D. Organic selenium

A

C. ZnO

55
Q

The crude protein of skim milk powder is about:

A. 1%
B. 3.5%
C. 10%
D. 30%

A

D. 30% (32-34%)

56
Q

Millard reaction:

A. Protein- protein
B. Protein- fat
C. Protein- carbohydrate
D. Carbohydrate- fat

A

C. Protein- carbohydrate

57
Q

The following materials are considered nutriceuticals:

A. Fish oil
B. Conjugated linoileic acid
C. Both of them
D. Neither of them

A

C. Both of them

58
Q

Dark pigmentation in fish body is one of the deficiency syndromes of:

A. Panthotenic aid
B. Folic acid
C. B2
D. Biotin

A

C. B2

59
Q

their crude protein content is 45-60 %

A. legume seeds
B. meat meal
C. extracted meals
D. fish meals

A

B. meat meal

60
Q

It is one of the by-products of fruit processing

A. Corn germ
B. tomato juice/apple juice
C. Corn gluten meal
D. CGF

A

B. tomato juice/apple juice

61
Q

It is one of the by-products of fruit processing

A. Corn germ
B. tomato pomace
C. Corn gluten meal
D. CGF

A

B. tomato pomace

62
Q
How much hay should a beef cattle eat a day?
A. 2–3kg
B. 4–6kg (min.BW1%)
C. 6–8kg 
D. 8–10kg
A

C. 6–8kg

63
Q
How much hay should a sheep eat a day?
A. 2-3kg
B. 1 kg
C. 6–8kg 
D. 8–10kg
A

B. 1 kg

64
Q

Name all 4 feeds which belongs to the legume seeds:

A
  • field pea
  • horse bean
  • lupin
  • soybean
65
Q

Crude protein content of wheat barn is about:

A. 5-7%
B. 15-16%
C. 10-13%
D. 20-24%

A

B. 15-16%

66
Q

Crude protein content of wheat germ is about:

A. 5-7%
B. 15-16%
C. 25-30%
D. 20-24%

A

C. 25-30%

67
Q

if strong ion difference (SID) is decrease:

A. metabolic alkalosis is created
B. metabolic acidosis is created
C. respiratory acidosis is created
D. respiratory alkalosis is created

A

B. metabolic acidosis is created

68
Q

in the concept of Cation Anion Balance (CAB) it is the most critical element:

A. Ca
B. K
C. Mg
D. Na

A

B. K

69
Q

Supplemental urea can be added if:

A. Both UFP and protein balance are negative

B. Both UFP and protein balance are positive

C. UFP is positive or protein balance is negative

D. UFP is negative or protein balance is positive

A

C. UFP is positive or protein balance is negative

70
Q

If the quality of corn silage is good, it contains this acid in highest amount:

A. Acetic acid
B. Lactic acid
C. Proprionic acid
D. Butyric acid

A

B. Lactic acid

71
Q

Abortion is caused by:

A. F- 2 mycotoxins
B. Both of them
C. Iodine deficiency
D. Neither of them

A

B. Both of them

72
Q

Abortion is caused by:

A. Phytoestrogens
B. Both of them
C. F2 toxins
D. Neither of them

A

B. Both of them

73
Q

What deficicy causes abortion:

A. T- 2 Mycotoxin
B. Both of them
C. Zn- deficiency
D. Neither of them

A

A. T- 2 Mycotoxin

74
Q

When it is fed to dairy cows, CP and CF supplementation are required:

A. Sugar beet pulp
B. Legume hays
C. Meadow hay
D. Sunflower meal

A

A. Sugar beet pulp (wet)

75
Q

How to determine the fiber fraction content of feeds?

A. by Kjeldah method
B. by Soxhlet method
C. by Van Soest method
D. by calculation

A

C. by Van Soest method

76
Q

The value of dietary cation-anion balance (CAB) should
be positive:

A. In large-breed puppies
B. In foals
C. Both of them (a+b)
D. Neither of them

A

C. Both of them (a+b)

77
Q

The value of cation anion balance (CAB) should be acidic in:

A. Dry cows
B. Periparturient sows
C. Both of them (a+b)
D. Neither of them

A

C. Both of them (a+b)

78
Q

Name all 3 feeds which belongs to the brewery by-products:

A
  • malt sprout
  • brewers grain
  • brewers yeast
79
Q

Name 5 biochemical markers:

A
  • vitamin B12
  • triiodothyronine
  • caeruloplasmin
  • glutathione peroxidase
  • copper
80
Q

Disease caused by selenium deficiency:

A. white muscle disease
B. equine nutritional muscle dysrophy
C. both of them
D. neither of them

A

C. both of them

81
Q

unipolar, regulated at level of absoprtion

A

Fe

82
Q

unipolar, regulated at the level of excretion

A

Na

83
Q

Bipolar regulation:

A

Zn, Cu etc