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Dairy Bowl > 2013 Hoard's Dairyman Youth Quizzes July-Dec 2013 > Flashcards

2013 Hoard's Dairyman Youth Quizzes July-Dec 2013 Flashcards

1
Q

What percent of the food grown on U.S. soil never makesd it to a human mouth?

A

40%

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2
Q

What component causes the yellow color in milk from certain breeds of dairy cattle?

A

beta carotene

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3
Q

The initial regrowth of alfalfa after harvest is dependent on carbohydrates that are stored in which part of the plant?

A

tap root

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4
Q

Immunoglobulins, or antibodies, cannot pass through what organ to reach the unborn calf?

A

placenta

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5
Q

Which entities(countries) are the three largest suppliers in the global dairy export market?

A

New Zealand, European Union, Unites States

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6
Q

What icon on grocery items signifies that the product was made from real dairy ingredients?

A

Real Seal

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7
Q

What country developed and launched a routine evaluation for mastitis resisitance with the release of December 2013 bull proofs?

A

Canada

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8
Q

Every newborn calf will undergo some degree of distress due to reduced oxygen levels in what part of the body?

A

blood

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9
Q

IBR (infectious bovine rhinotracheitis) virus primarily impacts what organ system?

A

reproductive

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10
Q

What nutrient is like “antifreeze” for alfalfa and will help reduce winterkill rates?

A

potassium

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11
Q

What immunoglobulin does the mucosal immune system (nose, mouth, lungs, intestines) produce?

A

IgA

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12
Q

When does the lowest blood calcium concentration most often occur in fresh cows?

A

24 hours after calving

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13
Q

Name 3 common on farm methods used to detect ketosis.

A

urine strips, milk powders, handheld meters

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14
Q

Effective fiber counters the acid produced from the digestion of starches and sugars by stimulating saliva production. What effect does this have on the rumen?

A

buffers the rumen (remember the key here is that they are asking about saliva, which we know acts as a buffer!)

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15
Q

What is the popular ice cream flavor among Americans?

A

vanilla

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16
Q

What were the top three milk-producing regions in 2012?

A

U.S. Brazil, China

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17
Q

Half of all on-farm accidents are machinery related. Of those, half involved what one piece of equipment?

A

tractors

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18
Q

What Canadian cow was named the 2013 World Dairy Expo Supreme Champion?

A

Bonaccueil Maya Goldwyn

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19
Q

When was the most recent Foot and Mouth disease outbreak in the U.S.?

A

1929

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20
Q

Which state won the National 4-H Dairy Cattle Judging Contest in 2013, and has won the contest 30 additional times in the past?

A

MARYLAND!! Woot! Woot!

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21
Q

With last year’s wet spring followed by a dry summer, more attention is being given to forage sorghums. What percent less water do sorghums require for growth than corn?

A

33% (this is one-third)

22
Q

What is the most valuable component of whey?

A

protein

23
Q

An ideal packing density can be achieved in a bunk by monitoring the rate of delivery, depth of the layer, and weight of the pack tractor. A producer should target a density benchmark of how many pounds of dry matter per cubic foot?

A

15

24
Q

How often should claw vacuum, vaccum stability, pulsator rate and ratio be evaluated in herds that milk around the clock?

A

monthly

25
Q

Pregnancy can be detected by milk or blood samples or transrectal ultrasound how many days after insemination?

A

28-30 days

26
Q

Which country is the largest importer of dairy products in the world, absorbing 13.4 % of global exports?

A

China

27
Q

As of September 2012, AgStar estimated that how many anaerobic digesters are operating on commercial livestock farms in the U. S.?

A

192

28
Q

What percentage of the A. I. breeding population are genomic bulls?

A

52%

29
Q

Which are the 3 major enemies of forage inoculants?

A

heat, moisture, oxygen

30
Q

Healthy cows will have how many rumen contractions per minute?

A

1 to 2

31
Q

Which major food company recently entered into a joint venture with German company Theo Mueller Group to produce Greek-style yogurt in the U.S.?

A

PepsiCo

32
Q

In the 12 months prior to calving, a heifer should grow how many inches?

A

6 inches

33
Q

Which grain is fed to 93% of U.S. cows?

A

corn

34
Q

What percentage of cows inseminated the first time after calving become pregnant?

A

35-50%

35
Q

What dangerous gas can have a bleach-like odor and under certain conditions be visible as a fog from a distance?

A

silo gas

36
Q

For every 100 pounds of milk used to make cheese, a manufacturer can expect to get how many pounds of liquid whey?

A

90 pounds

37
Q

Which feed comes from sources like candy, bread, crackers, wafers, cookies, doughnuts or cakes?

A

bakery waste

38
Q

U.S. cheese exports grew nearly whar percent in 2012?

A

16 percent

39
Q

What does DNB stand for in regards to breeding?

A

Do Not Breed

40
Q

At least how many pounds of fat-corrected milk are needed per pound of dry matter fed to “stay in the game”?

A

1.5 pounds (this question is asking how much milk do your cows need to produce when thinking about how much you spend on feed, in order to make a profit)

41
Q

A recent study from the Journal of Dairy Science found that mature equivalent fat and protein production during the first lactation were greater for cows on what type of flooring?

A

rubber

42
Q

Statistically, we get how many lactations from a dairy cow before she leaves the herd?

A

less than 3

43
Q

Cows should have a minimum stall length of how many feet to accommodate body and head space?

A

8 feet

44
Q

Which organization has obtained the five-year rights to the Real Seal?

A

National Milk Producers federation

45
Q

What does PMR stand for in regards to feeding?

A

partial mixed ration

46
Q

When a calf is born, its body is approximately what percent water?

A

70%

47
Q

Which group of cows is more sensitive to heat stress?

A

high-producing cows

48
Q

At which major sporting event is the winner handed a bottle of milk?

A

Indianapolis 500

49
Q

According to the 2011 National Cattlemen’s Beef Association Quality Audit, Holsteins contributed what percent of the U.S. beef supply?

A

5.50%

50
Q

What is the third most common cause of death in young calves?

A

septicemia

Dairy Bowl (57 decks)

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