2013 INT Exam Questions

Question 1

When does the metabolic disorder, Milk Fever, typically occur?

Answer 1

72 hours after calving *Note: answer was 48 hours

Question 2

What document establishes the standards for Grade A milk?

Answer 2

PMO - Pasteurized Milk Ordinance

Question 3

What are the building blocks of fats and lipids?

Answer 3

fatty acids

Question 4

What is the reference point used to determine udder height?

Answer 4

hock

Question 5

How long is the average estrous cycle in a cow?

Answer 5

average is 21 (varies from 18-24)

Question 6

The esophagus connects what two organs together?

Answer 6

mouth and rumen

Question 7

What are leukocytes?

Answer 7

white blood cells

Question 8

What is a pathogen?

Answer 8

microorganism that carries disease

Question 9

Cows that do not cycle properly from a reproductive standpoint are called what?

Answer 9

cystic

Question 10

Give two reasons to add molasses to a dry ration.

Answer 10

improves taste (palatability) and reduces dustiness

Question 11

What is another term for “laceration”?

Answer 11

cut

Question 12

What is the process that heats milk in order to kill bacteria?

Answer 12

pasteurization

Question 13

What prevalent dairy cattle disease is caused by Mycobacterium avium subspecies paratuberculosis (MAP)?

Answer 13

Johne’s disease

Question 14

What nutrient comprises approximately 75 percent of a cow by weight?

Answer 14

water

Question 15

If you see #X in a dairy animal’s production record, what does it mean?

Answer 15

cow was milked 3 times a day

Question 16

What is the common name for Parturient Paresis?

Answer 16

Milk Fever

Question 17

Antibodies are also known as what?

Answer 17

immunoglobulins

Question 18

Exposing milk to sunlight or copper will result in what off-flavor?

Answer 18

oxidized flavor

Question 19

What state ranked highest in milk production in 2011?

Answer 19

California

Question 20

What vitamin is responsible for the clotting of blood?

Answer 20

vitamin K

Question 21

Why would a dairyman include sodium bentonite in a dairy ration?

Answer 21

as a binder for mycotoxins

Question 22

What are proteins that are not broken down in the rumen, but are digested in the abomasum or intestines called?

Answer 22

RUP - rumen undegradable protein OR by-pass protein

Question 23

A dairy cow’s weight can be evaluated using a body condition scoring system, what are the highest and lowest numbers a cow can receive, and what would each number mean?

Answer 23

lowest score 1 - emaciated, severe under conditioning AND highest score 5 - severe overconditioning, excessively FAT!

Question 24

What is the name for mineral deposits on milk handling equipment?

Answer 24

milk stone

Question 25

What are the two main gases produced in the rumen?

Answer 25

\

Question 26

What compound is used to freeze semen?

Answer 26

liquid nitrogen

Question 27

How many pairs of chromosomes does a dairy cow have?

Answer 27

30 pair

Question 28

What is the name of the 18-carbon fatty acid present in milk, particularly from cows grazing pasture, which has been found to have cancer prevention effects?

Answer 28

conjugated linoleic acid (CLA)

Question 29

When looking at DHIA papers, what do the letters SCC stanf for?

Answer 29

somatic cell count

Question 30

How many amino acids are considered essential for dairy cows?

Answer 30

10

Question 31

Skim milk contains how many grams of fat?

Answer 31

0 grams

Question 32

How much saliva does a cow produce each day?

Answer 32

50-80 quarts (12-20 gallons)

Question 33

What is the process in which vitamins are added to milk?

Answer 33

fortification

Question 34

How many calories are in a 8 oz. cup of low fat milk?

Answer 34

100 calories

Question 35

What is the term for an animal that never grows horns, because of its genetic make-up?

Answer 35

polled

Question 36

Blackleg is found in which two species?

Answer 36

cattle and sheep

Question 37

The rumen makes up what percentage of a newborn calf’s somach capacity?

Answer 37

25%

Question 38

Bloat is a dangerous condition that occurs in dairy animals, making them unable to do what?

Answer 38

belch, burp

Question 39

What is a protein that acts as a catalyst in starting or speeding up specific chemical reactions called?

Answer 39

enzyme

Question 40

What major udder support divides the udder in half when viewed from the rear?

Answer 40

median suspensory ligament

Question 41

What hormone causes follicles to grow?

Answer 41

FSH - follicle stimulating hormone

Question 42

What state made the most milk per cow in 2011?

Answer 42

New Mexico

Question 43

Where does fertilization of the egg occur?

Answer 43

oviducts

Question 44

Name two ways a cow loses water?

Answer 44

breathing, urine, feces, sweat, milk

Question 45

Where is a dairy cow’s point of balance?

Answer 45

shoulder

Question 46

Name two external parasites or insects that affect cattle.

Answer 46

biting and sucking lice, ticks, mites, heel flies, horn flies, black flies, mosquitoes, horse flies, deer flies

Question 47

What milk test is used to detect rancidity?

Answer 47

acid degree value

Question 48

What are the two most popular varieties of cheese in the U.S.?

Answer 48

cheddar and mozzarella

Question 49

What calving ease score would be recoded for a Holstein cow if the calving was extremely difficult?

Answer 49

5

Question 50

What is given to a cow to prevent hardware disease?

Answer 50

magnet