Past qs 1

Question 1

Full-fat soya treatment is done by:

Answer 1

Uni-pro soya

Question 2

What does a complete premix contain?

Answer 2

Vitamins, Micro-elements, Macro-elements

Question 3

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

Answer 3

10-15% Low

Question 4

What happens when lignin content increases?

Answer 4

Digestibility decrease and feed intake increases

Question 5

What can lectins cause?

Answer 5

They adhere to the mucous membrane of the intestine and damage the absorption (Ca2+)

Question 6

What is the highest dose of carbamide (urea) a cow can eat?

Answer 6

20-30g / 100kg BW

Question 7

What does feed intolerance mean?

Answer 7

A reproducible, unpleasant reaction to a specific ingredient, which is biochemically or
physiologically based.
e.g. Lactase deficiency causes lactose intolerance

Question 8

What is the result of Vitamin C deficiency in fish?

Answer 8

Scoliosis, Lordosis (both spinal deformities)

Question 9

In investigation of feedstuff, you can detect:

Answer 9

Feather meal, Fish meal

Question 10

What are the anti-nutritive factors of Vicia faba (horse bean)?

Answer 10

Tannin (Exam paper)

Lupinin and Spartein (Lecture notes)

Question 11

How much Dry Matter content is there in fresh pasture grass?

Answer 11

20 – 30%

Question 12

What is the anti-nutritive factor in alfalfa?

Answer 12

Saponin

Question 13

What is the Discount Factor of corn silage?

Answer 13

0. 053 = 5.3%

i. e. If the feeding level is increased by 1 unit; the digestibility decreases with 5.3%

Question 14

What will happen if you give a lot of by-pass protein to the Dairy Cows?

Answer 14

Time between parturition and new Artificial Insemination (AI) will increase.

Question 15

Protein content in cereals (corn etc.)?

Answer 15

10 – 14%

Very low

Question 16

What can lectinins cause?

Answer 16

Difficulty in Ca2+ absorption

Question 17

In which species has nutrition a role in ovulation?

Answer 17

Sheep. The status of the ova changes with change in energy.

Question 18

They are used as silage additive:

Answer 18

All of them

i.e. Cereal grains. Molasses. Organic acids

Question 19

What are molasses a good source of?

Answer 19

Energy and S

Question 20

Which factors decrease digestibility of proteins?

Answer 20

CP content of diet should be minimum 9-11%. NH3 concentration in rumen fluid minimum 3-5
mmol/L

Question 21

The Discount Factor of corn silage is 0.053. It means:

Answer 21

The digestibility of the corn silage will decrease by 5.3%

Question 22

What is the average Discount Factor?

Answer 22

0.04 = 4%

Question 23

Which are used as a liquid protein source?

Answer 23

Neither

i.e. Neither molasses nor propylene glycol in this case

Question 24

What is the principle of silage making?

Answer 24

Anaerobe fermentation; with lactic acid production

Question 25

Which amino acid is most sensitive to the over-heating of feed?

Answer 25

Lysine

Question 26

Can be used as silage additives:

Answer 26

All of them i.e. Cereal grains, Molasses, and Organic acids Also dried sugar beet pulp, mineral acids, biological additives (bacteria cultures which are lactic acid producers such as Lactobacillus acidophilus and Streptococcus faecium)

Question 27

What is the meaning of Bulky Feed?

Answer 27

Big volume with low Dry Matter content

Question 28

What kind of feed is the roughage?

Answer 28

Bulky feed ! the indigestible portion of plan foods that pushes food through the digestive system; absorbing water and easing defecation

Question 29

How big is the CF content of roughage?

Answer 29

~ 18%

Question 30

What is the source of gossypol?

Answer 30

Cottonseed, field bean | Gossypol is an anti-nutritive to vitamin E

Question 31

What are molasses a good source of?

Answer 31

Energy and S

Question 32

If by-pass category in feedstuff is small:

Answer 32

Most nitrogen of the feedstuff will be degraded in the rumen

Question 33

How do we sterilize lab feed?

Answer 33

Gamma irradiation

Question 34

What is the consequence of fiber deficiency?

Answer 34

Digestion problems

Question 35

What can be the cause of eye cataracts?

Answer 35

Excessive amount of fish meal / bad fish meal; which causes an increased cholesterol

Question 36

How should motherless rabbits be fed?

Answer 36

Freeze-dried colostrum with additional vitamins, bacteria, and enzymes

Question 37

In which of the following substances is the energy value 5MJ/kg?

Answer 37

Straw

Question 38

What is the Ca:P ratio in pasture grass?

Answer 38

1:10

Question 39

Which one is a feeding standard?

Answer 39

NRC ! Committee on Animal Nutrition, National Research Council

Question 40

Which factors decrease digestibility of proteins?

Answer 40

Crude Fiber, Age, Anti-nutritive substance

Question 41

What is the P:E ratio in duck food?

Answer 41

CP: 11% DCP: 5% DE: 10MJ/g ME: 11MJ/g

Question 42

What kind of feed has the highest by-pass character?

Answer 42

Blood meal

Question 43

How do we measure presence/amount of trypsin inhibition in food?

Answer 43

Trypsin-urease reaction

Question 44

What is the protein content in:

Answer 44

``` Cereals - 10-14% Rapeseed - 37% Soybean - 45% Fish meal - 65% Blood meal - 92% ```

Question 45

How is extracted soybean meal obtained?

Answer 45

Autoclaving, extrusion, enzymes...

Question 46

What is the character of a potato?

Answer 46

Bulky and concentrated

Question 47

What is the character of hay?

Answer 47

Bulky and non-concentrated

Question 48

What is the character of grains?

Answer 48

Non-bulky and concentrated

Question 49

What is the effect of plant fibers on digestibility?

Answer 49

Decreases it

Question 50

What is grinded wheat good for?

Answer 50

Monogastric animals ! Decreased concentration alimentary energy