Deck 1

Question 1

Increased urea in milk is caused by:

Answer 1

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

Question 2

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

Answer 2

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

Question 3

A suitable colostrum for feeding calves after calving should contain a minimum content:

Answer 3

50 g of immunoglobulins per L of colostrum

Question 4

Rumen adsorption of Mg by active transport is reduced:

Answer 4

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

Question 5

Absorption of Mg from the digestive tract of dairy cow takes place:

Answer 5

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

Question 6

Physiological differences in the digestion of nutrients in sheep compared to dairy cows are manifested:

Answer 6

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

Question 7

Polioencephalomalacia manifests itself with a deficiency of:

Answer 7

Vitamin B1 (thiamine)

Question 8

The persistence of the lactation curve after the peak of lactation represents a decrease in milk in the range:

Answer 8

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

Question 9

In the nutritional prevention of hypocalcaemia and parturition paresis in dairy cows, the following applies:

Answer 9

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

Question 10

Nutritional causes of reproductive disorders are:

Answer 10

Negative impact of antinutritive substances in feed on the reproductive cycle
Unbalances supply of energy, the content of fat and proteins, a saturation of mineral substances and vitamins

Question 11

Enzootic ataxia of lambs manifests itself in:

Answer 11

Copper deficit or increased proportion of sulfur and molybdenum

Question 12

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

Answer 12

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

Question 13

By production of volatile fatty acids after fermentation of fibre in the large intestine, pigs obtain:

Answer 13

25-30% of energy for maintenance

Question 14

The method of ileal digestibility of amino acids in feed is used for:

Answer 14

The determination of the difference between the content of recieved amino acids and the absorption of amino acids

Question 15

Ca homeostasis in animals is regulated by:

Answer 15

Thyroid hormone calcitonin during the deposition of Ca in the bone tissue
Steroid hormone 1.25- dihydroxycholecalciferol to support absorption from the small intestine
Parathyroid hormone for the release of Ca from bone tissue

Question 16

Does lactose (milk sugar) affect the total volume of milk?

Answer 16

Yes (true)

Question 17

Forced intake of colostrum with the use of an oesophageal tube presupposed the first administration in a dose:

Answer 17

10% of the birth weight of calves immediately after calving

Question 18

For each kilogram of milk in the mammary gland of the blood is extracted about:

Answer 18

1.3 g Ca

Question 19

Overfeeding of crude protein with an increase in the level of NH3 in the rumen and urea in the serum manifests itself:

Answer 19

By increasing the pH in the uterine secretion and has a toxic effect on the egg and sperm after insemination
By reducing the synthesis of progesterone and stimulating the synthesis of PGF2a synthesis

Question 20

The low-fat syndrome is caused by:

Answer 20

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

Question 21

The chemical score is applied to evaluation:

Answer 21

Of the analysed content of individual amino acids in the feed mixture compared to the standardized requirements for pigs

Question 22

The low level of nutrition of ewes during the last six weeks of pregnancy results in:

Answer 22

The increased lipomobilization and development of pregnant toxaemia in ewes

Question 23

In the pathogenesis of grass tetany apply the following:

Answer 23

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

Question 24

In the pathogenesis of pregnancy toxaemia in ewes, the following applies:

Answer 24

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

Question 25

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

Answer 25

In obese dairy cows with the increased lipomobilisation