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Feed Quality WS Credit > PQ WS 2022 > Flashcards

PQ WS 2022 Flashcards

1
Q
  1. Increased urea in milk is caused by:

a) Increased content of structural carbohydrates (sugars, starch, pectin).

b) Low content of non-structural carbohydrates (sugars, starch, pectin)

c) Unbalanced protein intake of the ration (high proportion of CP and RDP, low proportion
RUP)

A

b) Low content of non-structural carbohydrates (sugars, starch, pectin)
c) Unbalanced protein intake of the ration (high proportion of CP and RDP, low proportion
RUP)

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2
Q

Significant diagnostic value in the evaluation of the lactation curve has:

a) Initial level of milk production, peak milk production, and persistence of milk production

b) Total milk production, peak milk production, and persistence in milk production

c) The peak of milk production and persistence of milk production

A

a) Initial level of milk production, peak milk production, and persistence of milk production

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3
Q
  1. A suitable colostrum for feeding calves after calving should contain a minimum
    content:

a) 70 g of immunoglobulins per l of colostrum
b) 25 g of immunoglobulins per l of colostrum
c) 50 g of immunoglobulins per l of colostrum

A

C

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4
Q
  1. Rumen absorption of Mg by active transport is reduced:

a) By the high NH3 content in the rumen content
b) By the high content of carbohydrates in the feed ration
c) By the high content of fat and K content in the feed ration

A

a) By the high NH3 content in the rumen content
c) By the high content of fat and K content in the feed ration

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5
Q
  1. Absorption of Mg from the digestive tract of dairy cows takes place:

a) In the area of the small intestine by active transport

b) In the region of the rumen and reticulum by active transport by active transport through the
wall

c) In the area of the large intestine by passive absorption depending on the concentration in
the ration

A

B

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6
Q
  1. Physiological differences in the digestion of nutrients in sheep compared to dairy cows
    are manifested

a) Passage of feed through the GIT is faster in sheep with shorter retention of feed in the
rumen than in the intestine

b) Passage of feed through the GIT is slower in sheep with longer retention of feed in the
rumen than in the intestine

c) Passage of feed through the GIT is faster in sheep with longer retention of feed in the
rumen than in the intestine

A

A

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7
Q
  1. Polioencephalomalacia manifests itself with a deficiency of:

a) Mineral substances - the deficit of copper
b) Vitamin B1 (thiamine)
c) Vitamin E

A

b) Vitamin B1 (thiamine)

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8
Q
  1. The persistence of the lactation curve after the peak of lactation represents a decrease
    in milk in the range:

a) In the range of 5-7% of the level of production in the evaluated compared to the previous
month

b) In the range of 2-5% of the level of production in the evaluated compared to the previous
month

c) In the range of 7-10% of the level of production in the evaluated compared to the previous
month

A

a) In the range of 5-7% of the level of production in the evaluated compared to the previous
month

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9
Q
  1. In the nutritional prevention of hypocalcemia and parturition paresis in dairy cows, the
    following applies:

a) Increasing daily intake of calcium above 120 g/day with addition of NH3Cl, NH4SO4
(anions) to feed ration before parturition

b) Decreasing of daily intake of Ca at the level of 60-80 g/day and K value above 30 g/day

c) Decreasing the daily intake of Ca at the level of 60-80 g/day and the value of K to 15 g/day

A

c) Decreasing the daily intake of Ca at the level of 60-80 g/day and the value of K to 15 g/day

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10
Q
  1. Nutritional causes of reproductive disorders are:

a) Negative impact of antinutritional substances in feed on the reproductive cycle
b) Unbalanced supply of energy, the content of fat and proteins, a saturation of mineral
substances and vitamins
c) Feeding regime (frequency and sequence)

A

a) Negative impact of antinutritional substances in feed on the reproductive cycle

b) Unbalanced supply of energy, the content of fat and proteins, a saturation of mineral
substances and vitamins

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11
Q
  1. Enzootic ataxia of lambs manifests itself in:

a) Deficit intake of colostrum with a reduction of glucose values and body temperature

b) Copper deficit or increased proportion of sulfur and molybdenum

c)Increased intake of copper and reduced intake of sulfur and molybdenum

A

b) Copper deficit or increased proportion of sulfur and molybdenum

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12
Q
  1. The coagulation activity of abomasum during milk feeding is decisively influenced by:

a) The contraction and motility of abomasum
b) The rate of milk coagulation in the abomasum
c) The quality of the formed casein precipitate

A

b) The rate of milk coagulation in the abomasum
c) The quality of the formed casein precipitate

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13
Q
  1. By production of VFAs after fermentation of fibre in the large intestine, pigs obtain:

a) Of 35-40% energy for maintenance
b) Of 45-50% energy for maintenance
c) Of 25-30% energy for maintenance

A

c) Of 25-30% energy for maintenance

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14
Q
  1. The method of ileal digestibility of amino acids in feed is used for:

a) The evaluation of the complementation effect for increasing the content of proteins

b) The evaluation of the supplementation effect for increasing the biological value of proteins

c) The determination of the difference between the content of received amino acids and the
absorption of amino acids

A

c) The determination of the difference between the content of received amino acids and the
absorption of amino acids

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15
Q
  1. Ca homeostasis in animals is regulated by:

a) Thyroid hormone calcitonin during the deposition of Ca in bone tissue
b) Steroid hormone 1.25-dihrdroxycholecalciferol to support absorption from the small intestine
c) Parathyroid hormone for the release of Ca from bone tissue

A

ALL

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16
Q
  1. Does lactose (milk sugar) affect the total volume of milk

a) True
b) False

A

True

17
Q
  1. For each kilogram of milk in the mammary gland of the blood is extracted about:

a) 1.3 g Ca
b) 3 g Ca
c) 10 g Ca

A

a) 1.3 g Ca

18
Q
  1. Forced intake of colostrum with the use of an esophageal tube presupposed the first
    administration in a dose:

a) 15% of the birth weight of calves immediately after calving
b) 10% of the birth weight of calves immediately after calving
c) 5% of the birth weight of calves immediately after calving

A

B

19
Q
  1. Overfeeding of CP with an increase in the level of NH3 in the rumen and urea in ther
    serum manifests itself:

a) By increasing the pH in the uterine secretion and has a toxic effect on the egg and sperm
after insemination

b) By reducing the synthesis of progesterone and stimulating the synthesis of PGF2α
synthesis

c) By stimulation of progesterone synthesis and reduction of PGF2α synthesis

A

a) By increasing the pH in the uterine secretion and has a toxic effect on the egg and sperm
after insemination
b) By reducing the synthesis of progesterone and stimulating the synthesis of PGF2α
synthesis

20
Q
  1. The low-fat syndrome is caused by:

a) Incomplete biohydrogenation and formation of trans-10 cis-12 conjugated linoleic acid

b) Incomplete biohydrogenation and formation of cis-9 trans-11 conjugated linoleic acid

c) Reduced production of VFA and especially acetic acid

A

a) Incomplete biohydrogenation and formation of trans-10 cis-12 conjugated linoleic acid

21
Q
  1. The chemical score is applied to evaluation:

a) Of the analyzed content of individual amino acids in the feed mixture versus the content of
amino acids in the ideal protein for pigs

b)The analyzed proportional content of amino acids and energy in the feed mixture for pig

c) Of the analyzed content of individual amino acids in the feed mixture compared to the
standardized requirement for pigs

d) The amount of amino acids in the tested feed and requirement of amino acids (by norm)
from other past papers:

e) Analysis of the proportion of each AMK in the compound feed compared to the standard
requirement for pigs.

A

c) Of the analyzed content of individual amino acids in the feed mixture compared to the
standardized requirement for pigs

From Other Pp….
d) The amount of amino acids in the tested feed and requirement of amino acids (by norm)
from other past papers:
e) Analysis of the proportion of each AMK in the compound feed compared to the standard
requirement for pigs.

22
Q
  1. The low level of nutrition of ewes during the last six weeks of pregnancy results in:

a) A limited growth and development of the placenta and reduced birth weight of lambs
b) The increased embryonic mortality above the level of 30% from fertilized eggs
c) The increased lipomobilization and development of pregnant toxemia in ewes

A

c) The increased lipomobilization and development of pregnant toxemia in ewes

23
Q
  1. In the pathogenesis of grass tetany apply the following:

a) A low concentration of carbohydrates together with a high representation of CP and fat in
the ration, which causes a decrease in the absorption of Mg from the rumen

b) A low concentration of carbohydrates together with a high representation of CP and fat in
the ration, which causes a decrease in the absorption of Mg from the small intestine

c) A high concentration of carbohydrates together with a low representation of CP and fat in
the ration, which causes a decrease in the absorption of Mg from the rumen

A

a) A low concentration of carbohydrates together with a high representation of CP and fat in
the ration, which causes a decrease in the absorption of Mg from the rumen

24
Q
  1. In the pathogenesis of pregnancy toxemia in ewes, the following applies:

a) Disorder of carbohydrate nutrition (high proportion of starch) increases the production of
VFA with acidification of the rumen and increased production of butyric acid

b) Malfunction of carbohydrate nutrition (high proportion of fibre and deficit of starch) reduces
the production of VFA and propionic acid with lipomobilization

c) Disorder of protein nutrition with high production of NH3 and urea in ewes in the second half
of pregnancy

A

b) Malfunction of carbohydrate nutrition (high proportion of fibre and deficit of starch) reduces
the production of VFA and propionic acid with lipomobilization

25
Q
  1. Increased fat content in milk at the postpartum phase is found in:

a) In obese dairy cows with the increased lipomobilization
b) In dairy cows with the increased fat content in the ration
c) In dairy cows with the increased content of structural carbohydrates (fiber) in the ration

A

a) In obese dairy cows with the increased lipomobilization

Feed Quality WS Credit (6 decks)

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