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Flashcards in nutrition questions revised Deck (24)
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1
Q

Concentration of which element is unipolar through absorption:

A

Fe (Excretion only through bleeding ?)

in addition, Na is unipolar, regulated at the level of excretion. Zn, Cu, etc, are bipolar.

2
Q

This amino acid form has a characteristic role in nutrition:

A

Alpah - L-optic form (exception: Methionine)

3
Q

The alkalic state of nutrition says “the more acidic material that is produced in the body the…”

A

“…more basic material must be taken via the food”

4
Q

The majority of protozoa are not able to digest cellulose?

A

They mainly digest starch and sugar

5
Q

What will happen if you give a lot of by-pass (protected) protein to the dairy cows

A

Time between parturition and new AI will increase ( + more milk yield, more fat mobilization)

6
Q

NDF-ADF = ?

A

Hemicellulose (Neutral detergent fiber – Acid detergent fiber)
(ADF-ADL = Cellulose)

7
Q

Vitamin A relative? (Probably which element is needed for vitamin A synthesis)

A

Zn and P are needed for carotene – Vitamin A transformation

8
Q

What is ‘k’?

A

NE/ME*100 (Net energy / Metabolizable energy * 100)

9
Q

What is the protein content of cereals (corn, wheat, barley, oat, rye)?

A

10-15%, low

10
Q

What is ‘q’?

A

ME/GE*100 (Metabolizable energy/Gross energy * 100)

11
Q

Measurement of body composition via density measurement is done by?

A

Archimedes principle – The apparent weigh loss of a body immersed in a fluid equal to the weight of the displaced fluid

12
Q

What are indicator bacteria?

A

Saprophytes

13
Q

In Wendee analysis, what is the part that does not contain Nitrogen

A

The NFE (Nitrogen Free Extract) is a calculated value which is determined by subtracting from the DM the crude protein, crude fiber, crude fat and crude ash (DM – (CP + CF + EE + Ash) = NFE)

14
Q

What is an important element for females?

A

P, Mn – Cause alimentary infertility. Selenium deficiency causes general fertility problems, placenta retention.

15
Q

What can cause secondary Cu deficiency?

A

S+Mo: they reduce copper absorption!

16
Q

What happens when lignin content increases?

A

Digestibility decreases and feed intake decreases

17
Q

What is the effect of induced mutation?

A

There is an increase in essential aminoacid production

18
Q

What is the vitamin K antivitamin?

A

Dicumarol (Melilotus), Cumarin/warfarin (rat poison

19
Q

What improves the immune state of a cow right after parturition?

A

Cr

20
Q

Instead of Carbon this ground substance can be built into organic matters and in humans it decreases the danger for arteriosclerosis:

A

Br or S

21
Q

Deficiency of these substances causes alimentary infertility:

A

Mn and P

22
Q

Energy density = ?

A

Cow - NE/UE

Chicken - ME/UE

23
Q

What is a silo?

A

A building for the storage of silage, a place for herbal fermentation. Can be horizontal, tower (upright) or plastic bag.

24
Q

Deficiency of this substance gives dry dermatitis over the whole body:

A

Dry + generalized dermatitis 🡪 B2 (riboflavin) deficiency