PQ (slovak) - WS Nov. 2023

Question 1

1. Enzootic ataxia manifests itself

a) Copper deficit or increased proportion of sulfur and molybdenum

b) As a result of degenerates of high emissions of sulfur or molybdenum and Due to
degenerative changes in the white matter the lamb has partially or completely paralyzed hind
limbs.

c) in the case of a deficient supply of natural* (vitamins E and selenium) in the diet of highly
pregnant and lactating ewes by the moderate content of these substances in the colostrum
and milk of ewes

Answer 1

a) Copper deficit or increased proportion of sulfur and molybdenum

b) As a result of degenerates of high emissions of sulfur or molybdenum and Due to
degenerative changes in the white matter the lamb has partially or completely paralyzed hind
limbs.

Question 2

2. The adverse effect of increasing nitrogen containing substance in the feed ration on
   fertility manifests itself:

a) by reducing LH secretion,
b) by increasing the level of conception
c) a decrease in progesterone concentration

Answer 2

a) by reducing LH secretion
c) a decrease in progesterone concentration

Question 3

3.The coagulation activity of abomasum during milk feeding is decisively influenced by:

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

Answer 3

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

Question 4

4. The digestibility of the organic matter of the feed mixture for pigs is directly related
   to the content and chemical nature of the fiber in the feed. This relationship is
   expressed by Axelson’s equation, where an increase in fiber in dry matter KD by 1%
   leads to a decrease in the digestibility of organic matter (OD) by:

a) 1,00%
b) 0,52%
c) 1,68%

Answer 4

c) 1,68%

Question 5

5. Admission of heifers is carried out:

a) at the age of 14-16 months with a weight of 400-450 kg, fitness score 3.0-3.25
b) at the age of 12-14 months with a weight of 500-550 kg, fitness score 3.25-3.5
c) at the age of 16-18 months with a weight of 500-550 kg, fitness score 3.0-3.25.

Answer 5

a) at the age of 14-16 months with a weight of 400-450 kg, fitness score 3.0-3.25

Question 6

6. (Poorly translated but-) In nutritional stress the digestive system has an important
   position. For development of nutritional/digestive/reproductive(?) disorders following
   occur:

a) Malfunction/Disturbance/Impairment of the nutritional and protective function of the
digestive tract.
b) The influence of the disturbed quantity and proportional representation of nutrients.
c) Disruption/incorrect estimation of the primary function (requirements?) of the digestive
system.

Answer 6

a) Malfunction/Disturbance/Impairment of the nutritional and protective function of the
digestive tract.

Question 7

7. In the pathogenesis of grazing tetany the following are applied:

a) Low concentration of carbohydrates together with low representation of CP and fat in the
ration, which causes a decrease in the absorption of Mg from rumen.
b) High concentration of carbohydrates & CP together with low N and fat K, causing a
decreased/reduced Mg absorption from the rumen.
c) Low concentration of carbohydrates in feed ration together with a high proportion of CP (&
fat) causes a decrease in the absorption of Mg from the rumen with increasing NH3 level and
a decrease VGS in the rumen

Answer 7

b) High concentration of carbohydrates & CP together with low N and fat K, causing a
decreased/reduced Mg absorption from the rumen.

c) Low concentration of carbohydrates in feed ration together with a high proportion of CP (&
fat) causes a decrease in the absorption of Mg from the rumen with increasing NH3 level and
a decrease VGS in the rumen

Question 8

8. The source for the synthesis of short- and medium-chain MK in milk fat are:

a) fatty acids from ingested fats after rumen digestion
b) acetic acid after fermentation of structural carbohydrates
c) B-hydroxybutyric acid

Answer 8

b) acetic acid after fermentation of structural carbohydrates

c) B-hydroxybutyric acid

Question 9

9. Anionic salts - are applied to dairy cows in the phase of preparation for childbirth
   with the aim of

a) Specific action in the adaptation of the rumen metabolism of dairy cows,
b) correction of metabolic alkalosis with a high presence of potassium and sodium in KD,
c) increases the sensitivity of bone tissue for the release of Ca from bones to maintain
normocalcemia after childbirth

Answer 9

ALL

Question 10

10. The feeding regime of sows during pregnancy should ensure an average gain:

a) a total gain of 45-50 kg, of which body weight 25-30 kg and the weight of the placenta and
fetuses represent 20 kg gain.

b) a total gain of 45-50 kg, of which the body weight is 20 kg and the weight of the placenta
and fetus is 25-30 kg.

c) a total gain of 35-40 kg, of which the body weight is 20 kg and the weight of the placenta
and fetus is 15-20 kg.

Answer 10

a) a total gain of 45-50 kg, of which body weight 25-30 kg and the weight of the placenta and
fetuses represent 20 kg gain.

Question 11

11. Causes increased urea in milk

a) increased representation of non-structural carbohydrates (sugars, starch, pectin)

b) unbalanced protein intake of the ration (high proportion of CP, RDP, low proportion of RUP)

c) low representation of non-structural carbohydrates (sugars, starch, pectin).

Answer 11

b) unbalanced protein intake of the ration (high proportion of CP, RDP, low proportion of RUP)

c) low representation of non-structural carbohydrates (sugars, starch, pectin).

Question 12

12. 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

Answer 12

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

Question 13

13. Nutritional reasons for the decrease in fat content in milk (confirmed by TMR
    analysis):

a) Increasing the share of NVS - starch,
b) reduced representation of rumen-active NVS
c) increased proportion of fat (incomplete biohydrogenation of fatty acids)

Answer 13

c) increased proportion of fat (incomplete biohydrogenation of fatty acids)

Question 14

14. Zinc in relation to reproduction manifests itself :

a) indirect effect through the pituitary gland to influence gonadotropin hormones

b) indirect effect through a complex of specific connections in the gonads and prostate.

c) by a direct effect through the pituitary gland to influence gonadotropin hormones
a or b, not both!

Answer 14

a) indirect effect through the pituitary gland to influence gonadotropin hormones

Zinc plays a role in reproductive health primarily through its influence on the pituitary gland, which affects the production of gonadotropin hormones indirectly.

Question 15

15. Prenatal development and growth of fetal skeletal muscles(myogenesis) is
    determined

a) Availability of nutrients and control of growth factors during the differentiation of the number
of fetal muscle fibers

b) Availability of nutrients for increasing the size (hypertrophy) of fetal muscle fibers

c) Availability and biological value of proteins according to the genetic potential of the breed

Answer 15

a) Availability of nutrients and control of growth factors during the differentiation of the number of fetal muscle fibers

b) Availability of nutrients for increasing the size (hypertrophy) of fetal muscle fibers

Question 16

16. What are the characteristics of ewes nutrition in the first 30 days after admission
    (mating?):

a) affects embryonic mortality at the level of 15-30% from fertilized eggs due to impaired
implantation of embryos in the first month after admission

b) severe malnutrition or high level of nutrition results in poor embryo survival

c) low intake of nutrients during this period affects the growth and development of the placenta
and results in low birth weight (30-90th days

Answer 16

a) affects embryonic mortality at the level of 15-30% from fertilized eggs due to impaired
implantation of embryos in the first month after admission

b) severe malnutrition or high level of nutrition results in poor embryo survival

Question 17

17. Increased fat content in milk at the postpartum phase is found in:

a) In dairy cows with an increased content of fat in the feed ration
b) In dairy cows with an increased content of fibrous/structural carbohydrates in the ration
c) In obese dairy cows with the increased lipomobilization.

Answer 17

c) In obese dairy cows with the increased lipomobilization

Question 18

In the case of nutrition-related disorders of the
GIT, sheep suffer from:

a) Less often rumen function disorders (acidosis, alkalosis) with more frequent occurrence of
intestinal diseases (Clostridia / Clostridium)

b) More often due to rumen function disorders (acidosis, alkalosis) with less frequent
occurrence of intestinal diseases (Clostridia)

c) Less often rumen function disorders (acidosis, alkalosis) with less frequent occurrence of
intestinal diseases (Clostridia)

Answer 18

a) Less often rumen function disorders (acidosis, alkalosis) with more frequent occurrence of
intestinal diseases (Clostridia / Clostridium)

Question 19

18. Why is the method of fecal digestibility of amino acids referred to as “apparent
    digestibility”

a) microbial proteins affected by colonic fermentation are also present in feces

b) endogenous amino acids from secreted secretions and the epithelium of the digestive tract
are also represented in feces

c) amino acids excreted in feces are influenced by the amount of nitrogenous substances in
the feed mixture

Answer 19

a) microbial proteins affected by colonic fermentation are also present in feces

b) endogenous amino acids from secreted secretions and the epithelium of the digestive tract
are also represented in feces

Question 20

19. what kind of substance you need to increase on the 90th day for pigs

a) by adding fat (and fiber)
b) adding proteins
c) adding starch

Answer 20

a) by adding fat (and fiber)

Question 21

20., What is characteristic of myodystrophy in lambs

a) deficient supply of natural antioxidants (vitamin E and selenium) in to the ratio of highly
pregnant and lactating sheep

b) limited placental transfer of vitamin E from mother to fetus

c) is characterized by degenerative changes in the white matter of the brain

Answer 21

a) deficient supply of natural antioxidants (vitamin E and selenium) in to the ratio of highly
pregnant and lactating sheep

b) limited placental transfer of vitamin E from mother to fetus

Question 22

21., The most numerous lg group in colostrum is represented by the class group

a) IgG
b) IgA
c) IgM

Answer 22

a) IgG

Question 23

22. Cause of pregnancy toxemia in ewes

a) incorrect/improper phase nutrition of ewes accompanied by excessive feeding in the first
phase of pregnancy

b) obesity of ewes, which show lower feed intake in the last weeks of pregnancy in more fertile
animals

c) incorrect phase nutrition of ewes accompanied by excessive feeding during lactation

Answer 23

a) incorrect/improper phase nutrition of ewes accompanied by excessive feeding in the first
phase of pregnancy

b) obesity of ewes, which show lower feed intake in the last weeks of pregnancy in more fertile
animals

Question 24

23. Low fat syndrome

a) manifests itself with a high content of polyunsaturated fatty acids in the feed ration, which at
low pH affects the biohydrogenation of fatty acids

b) the content of trans-conjugated linolenic acid (CLA - C18:2 cis-9-trans-11) synthesized in
the rumen increases as a result of incomplete biohydrogenation when the pH drops

c) the content of trans-conjugated linolenic acid (CLA - C18:2 trans- 10-cis-12) synthesized in
the rumen increases as a result of incomplete biohydrogenation when the pH drops

Answer 24

a) manifests itself with a high content of polyunsaturated fatty acids in the feed ration, which at
low pH affects the biohydrogenation of fatty acids

c) the content of trans-conjugated linolenic acid (CLA - C18:2 trans- 10-cis-12) synthesized in
the rumen increases as a result of incomplete biohydrogenation when the pH drops

Question 25

24. Mark the correct answer

a) luteinizing hormone(LH) produced by the pituitary gland is necessary for the manifestation
of ovulation and for the development and preservation of the corpus luteum

b) gonadotropin-releasing hormone(GnRH) secreted in the pituitary gland stimulates the
production and release of LH and FSH in the hypothalamus

c) prostaglandin is produced in the placenta before birth and in the uterus after birth, it
initiates the regression of the functional corpus luteum as well as the corpus luteum formed
after ovulation during unsuccessful pregnancy

Answer 25

a) luteinizing hormone(LH) produced by the pituitary gland is necessary for the manifestation
of ovulation and for the development and preservation of the corpus luteum

c) prostaglandin is produced in the placenta before birth and in the uterus after birth, it
initiates the regression of the functional corpus luteum as well as the corpus luteum formed
after ovulation during unsuccessful pregnancy