Even More Past Questions

Question 1

Minimum temperature for heat treatment of soybean which increases the bypass protein from ruminant is:

Answer 1

150 C

Question 2

Tests of heat treatment quality of soybean products include:

Answer 2

The protein dispersibility and solubility index

The urease activity of trypsin inhibitor

Question 3

Urea:

Answer 3

Can be applied as a source of NPN to corn silage during the ensiling process in the concentration 0.5%

Question 4

Lipase is present in the calf saliva until:

Answer 4

3 months of age

Question 5

Energy requirements in dairy cows are expressed as:

Answer 5

NEL

Question 6

Principal reason of use of urea in daily ration of cattle:

Answer 6

Daily ration low in natural protein

Question 7

Sucrose is digested by calf in period of pre-ruminal digestion:

Answer 7

Badly

Question 8

1st phase of lactation lasts:

Answer 8

10 weeks

Question 9

2nd phase of lactation lasts:

Answer 9

10 weeks

Question 10

3rd phase of lactation lasts:

Answer 10

More than 15 weeks

Question 11

Dairy cow will reach the peak of lactation:

Answer 11

1st phase of lactation

Question 12

Recommended protein concentration in dry matter of daily ration of lactation cows in 2nd phase of lactation is:

Answer 12

13-15%

Question 13

Recommended energy concentration in daily ratio of lactation of cow in 2nd phase of lactation:

Answer 13

6.6-7.3 MJ/kg of DM

Question 14

Level of nutrition in 2nd phase of lactation is:

Answer 14

Very high to high, 2.1-3 x that of maintenance

Question 15

Recommended dry matter ration from forage and concentration in the 1st phase of lactation is:

Answer 15

60:40

Question 16

Recommended dry matter ration from forage and concentration in the 2nd phase of lactation is:

Answer 16

70:30

Question 17

Recommended dry matter ration from forage and concentration in the 3rd phase of lactation is:

Answer 17

90:10

Question 18

Recommended dry matter ration from forage and concentration in the dry period is:

Answer 18

80:20

Question 19

Recommended crude fibre content in dry matter of dairy ration for lactation cow in 1st phase

Answer 19

17:18

Question 20

Recommended crude fibre content in dry matter of dairy ration for lactation in 3rd phase:

Answer 20

24-28%

Question 21

Recommended crude fibre content in dry matter of dairy ration for lactation cow in dry period:

Answer 21

24-48%

Question 22

Characteristics of 1st phase of lactation:

Answer 22

Rise and peak of lactation and negative energy balance

Question 23

Characteristics of 2nd phase of lactation:

Answer 23

Rise and peak of dry matter intake

Question 24

Characteristics of 3rd phase of lactation:

Answer 24

Decline and end of lactation

Question 25

Dry period:

Answer 25

Period of 60 days before the next lactation

Question 26

Recommended energy concentration in daily ration of cow in dry period:

Answer 26

4.3-6.1 MJ/kg of DM

Question 27

Calf nutrition is period:

Answer 27

From the birth to 6 months of age

Question 28

The aim of heifer nutrition is:

Answer 28

Optimum body development

Question 29

Time when heifer breed depends on:

Answer 29

Their body weight

Question 30

Daily ration of heifer nutrition of about 6 months of age will be:

Answer 30

Minimal amount of high moisture forage

Question 31

Use of concentrate in daily ration of heifer older the 1 years is:

Answer 31

Not necessary when good quality forage will meet the requirements of animals

Question 32

The aim of nutrition of young bulls is:

Answer 32

To reach the highest daily weight gain possible

Question 33

Weight gaining of young bulls from weaning to 12-15 months of age is:

Answer 33

At least 1.25kg/day