2014 Submitted INT Questions

Question 1

The amount of energy in a feed is measured in what units?

Answer 1

calories

Question 2

Most dry feedstuff is what percent water?

Answer 2

10-15%

Question 3

When two molecules of ammonia combine in the rumen to form urea, a single molecule of what is released?

Answer 3

water

Question 4

All reactions and processes that take place in the body of the dairy animal, occur in what compound?

Answer 4

water

Question 5

Name the two most effective ways for the body of a dairy animal to cool off.

Answer 5

sweating and panting

Question 6

In dairy cattle nutrition, intake energy is the measure of the amount of energy in what?

Answer 6

amount of energy in feedstuffs eaten by animal

Question 7

Amino acids contain carbon, hydrogen, oxygen, nitrogen and sometimes what element?

Answer 7

sulfur

Question 8

Name the two organs of the digestive system that secrete enzymes.

Answer 8

small intestines, pancreas

Question 9

Enzymes secreted by the abomasum, small intestine and pancreas do what to amino acids?

Answer 9

break the bonds of the amino acids and separate them

Question 10

What is the difference between essential and non-essential amino acids?

Answer 10

essential amino acids are NOT produced by the body and must be provided in the diet, non-essential amino acids are produced by the body and are not needed in the diet

Question 11

Protein digested by the rumen microbes is known as what?

Answer 11

ruminally degraded protein, RDP

Question 12

In the animal identification system used for dairy cattle, what is the country code for the U.S?

Answer 12

840

Question 13

What do you call the amino acid that is in short supply and prevents more proteins from being formed?

Answer 13

first limiting amino acid

Question 14

Name the two most common limiting amino acids.

Answer 14

lysine, methionine

Question 15

List two good sources for lysine.

Answer 15

fish meal, blood meal

Question 16

List two good sources for methionine.

Answer 16

corn gluten meal, fish meal, sunflower meal

Question 17

How are leftover amino acids, that cannot be used to build proteins, removed from the body?

Answer 17

excreted in the urine

Question 18

What are the basic building blocks of carbohydrates?

Answer 18

simple sugars

Question 19

Monosaccharides are classified according to the number of which atoms?

Answer 19

carbon atoms

Question 20

A monosaccharide with six carbon atoms is classified as a what?

Answer 20

hexose

Question 21

The prefix “di” refers to how many?

Answer 21

two

Question 22

Name two common disaccharides.

Answer 22

lactose, sucrose

Question 23

A saccharide with five carbon atoms would be classified as a what?

Answer 23

pentose

Question 24

Starch, cellulose and hemicellulose are common examples of what type of saccharide?

Answer 24

polysaccharides

Question 25

Monosaccharides are converted by the rumen microbes into what?

Answer 25

VFA’s volatile fatty acids

Question 26

Carbohydrates in feedstuff are divided into what two categories?

Answer 26

fiber (structural), non-fiber(non-structural)

Question 27

Name the two types of fibrous or structural carbohydrates.

Answer 27

cellulose, hemicellulose

Question 28

Give an example of a non-fibrous or non-structural carbohydrate.

Answer 28

starch, sugar, pectin

Question 29

What number does the prefix “pent” represent?

Answer 29

five

Question 30

What is a monosaccharide?

Answer 30

simple sugar

Question 31

What nutrient is often added to feedstuffs to increase its energy density?

Answer 31

fats

Question 32

What are the two classifactions of fats?

Answer 32

saturated, unsaturated

Question 33

A fat is also known by what term?

Answer 33

lipid

Question 34

If a fat is said to be saturated, then it contains the maximum number of what atoms?

Answer 34

hydrogen

Question 35

Supplemental vitamin E may help reduce the incidence of what costly dairy cattle disease?

Answer 35

mastitis

Question 36

Which vitamin is repsonsible for normal night vision and healthy bone growth and reproduction?

Answer 36

vitamin A

Question 37

Which vitamin enhances absorption of calcium and phosphorus?

Answer 37

vitamin D

Question 38

Normal blood clotting requires adequate amounts of which vitamin?

Answer 38

vitamin K

Question 39

In a healthy lactating dairy cow, which vitamins are commonly supplemented?

Answer 39

vitaimns A, D, K

Question 40

All dairy cattle have how many pairs of chromosomes?

Answer 40

30 pair

Question 41

One pair of chromosomes are called the sex chromosomes, because they determine the sex of the animal. What are the other 29 pair of chromosomes called?

Answer 41

autosomal chromosomes

Question 42

DNA are shaped like what common handyman’s tool?

Answer 42

ladder

Question 43

The region of the chromosome where a particuar gene is located is called what?

Answer 43

locus

Question 44

In terms of genetics, the physical characteristics that you can observe or measure is known as what?

Answer 44

phenotype

Question 45

In terms of genetics, the term genotype refers what?

Answer 45

the actual genes the animal has

Question 46

In terms of genetics, qualitative traits are those contolled by how many pairs of genes?

Answer 46

one pair

Question 47

Which volatile fatty acid is the primary source of milk fat?

Answer 47

acetic acid

Question 48

In terms of genetics, if both alleles were inherited in the dominant form, what is the genotype?

Answer 48

homozygous dominant

Question 49

In terms of genetics, if one allele was inherited in the dominant form and the other allele was inherited in the recessive form, what is the genotype?

Answer 49

heterozygous

Question 50

In terms of genetics, an animal that is heterozygous for a recessive trait can still pass the trait on to their offspring, therefore, they are known as what?

Answer 50

carrier