Hoard's Dairyman Youth Quizzes Jan-May 2013 Flashcards

1
Q

Members of three Wisconsin cooperatives recently merged to form which new cooperative? This will now be the Midwest’s largest dairy marketing co-op.

A

FarmFirst Dairy Cooperative

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2
Q

If a cow has no systemic signs of illness, but has an enlarged uterus and offensive smelling uterine discharge within 21 days in milk, what postcalving disorder does she likely have?

A

Metritis

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3
Q

Mycobacterium avium subspecies paratuberlosis (MAP) is the causative agent of what common dairy cattle ailment?

A

Johne’s

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4
Q

In the last five decades, which trend has been seen in regards to dairy cattle inbreeding?

A

Rose (increased)

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5
Q

Farmers are often hesitant to add distiller’s grain to their ration because it may cause what?

A

Milkfat depression

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6
Q

A last minute farm bill extension was rolled into 2012 year-end legislation. Until what date was the bill extended?

A

September 30, 2013

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7
Q

Annually, what food accounts for 25 to 28 percent of cheese consumption in the U.S.?

A

pizza

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8
Q

What is the best use for the liquid portion of digested manure?

A

Fertilizer

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9
Q

In regards to genetics and breeding, what does PL stand for?

A

productive life

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10
Q

Which country was the top importer of semen, on a dollar basis, from the U.S. in 2011?

A

Brazil

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11
Q

Combined, California and Wisconsin account for what percent of the nation’s milk?

A

34%

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12
Q

If a trait has a heritability of 0.25, what does this mean?

A

25 percent of the variation in this trait is attributed to the cow’s genetics

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13
Q

Essentially, what will happen to phosphorous consumed above NRC (National Research Council) requirements?

A

It is excreted in manure

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14
Q

What is another name for premature luteolysis?

A

Short estrous cycles

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15
Q

Bred heifer imports fell in 2012. What two countries accounted the majority of this drop?

A

Turkey and Mexico

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16
Q

The majority of future dairy demand is expected to come from which continent?

A

Asia

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17
Q

Compared to wet chemistry, what is the advantage of NIRS?

A

More precise or repeatable.

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18
Q

Which Alabama dairyman did the U.S. Famers and Ranchers Alliance name as one of four Faces of Farming and Ranching?
Will Gilmer, Bonnie Mohr, John Meyer or
Bonnie Ayars

A

Will Gilmer

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19
Q

What are the two types of mastitis infections?
Innate and acquired, Chromosomes and genes,
Contagious and environmental or Passive and active

A

Contagious and environmental

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20
Q

Dairy provides how many of the five nutrients of concern in children’s diets? 2, 3, 4 or 5

A

3

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21
Q

At the end of 2012, what was the average herd size in the U.S.?
73 cows, 187 cows, 569 cows or 1,034 cows

A

187

22
Q

When choosing a tube system to ventilate a calf barn, the fan selected should provide how many air changes per hour? 1, 4, 8 or 12

A

4

23
Q

This past year was a record setting year for dairy production. What threshold did milk production surpass for the first time?
50 billion pounds, 100 billion pounds
200 billion pounds, 300 billion pounds

A

200 billion pounds

24
Q

Which region of the country has the largest milk per person deficit?
Southeast, Northeast
Midwest, West

A

Southeast

25
Q

It is recommended that all crop fields be sampled for soil pH and fertility at least once every how often?
2 months, 6 months
3 years, 5 years

A

3 years

26
Q

Since the 1950s, what trend has been observed with nationwide fluid milk and whole milk consumption?
Risen, No visible trend
Stayed the same, Declined

A

Declined

27
Q

When silage temperatures exceed 100° F during fermentation, what nutrient is not only broken down, but what remains of it is heat damaged and unavailable to the cow?
Carbohydrates, Protein, Water or Minerals

A

Protein

28
Q

Which state has the largest average herd sizes at 2,357 cows?
New Mexico, California, Alaska or New Jersey (Miss Amy is from NJ)

A

New Mexico

29
Q

Overwriting a portion of the DNA code that is needed to create a critical protein for trait development is known as what?
Mutation, Deletion, Substitution or Knockout

A

knockout

30
Q
What is an acceptable prevalence of ash in corn silage? High ash levels in your silage indicates excessive soil accumulation. 
0 to 1.2 percent
2.5 to 4.5 percent
10.5 to 12.6 percent
34.7 to 40.1 percent
A

2.5-4.5%

31
Q
In late March, an agreement was signed to gradually transition genetic evaluations from the USDA to which organization? 	
Council on Dairy Cattle Breeding
Food and Drug Administration
Center for Disease Control
National Genome Research Institute
A

Council on Dairy Cattle Breeding

32
Q
What measure allows a dairy to determine its ability to pay bills? 
Capital investment
Debt to asset ratio
Debt per cow
Current equity
A

Current equity

33
Q
What was the all-market mailbox price in 2012?
$11.42
$16.34
$18.59
$26.38
A

$18.59

34
Q
Microbial protein, which is produced in the rumen, tends to have a low concentration of which amino acid? 
Histidine
Tryptophan
Isoleucine
Lysine
A

Histidine

35
Q
Research has demonstrated that what percent of high-producing cows are anovular or simply lack a corpus luteum when a time A.I. breeding program is initiated? 
5 percent
30 percent
47 percent
65 percent
A

30 percent

36
Q
You should wait to plant corn until soil temperatures exceed how many degrees F? 
22°F
50°F
75°F
105°F
A

50 degrees

37
Q

An economic boost of $35 per cow occurs when pregnancy rates rise by how many percentage points?
1, 5, 7 or 12

A

1

38
Q
Acid detergent fiber is another measure of plant fiber content, but does not account for which structural carbohydrate? 
Sugar
Lignin
Cellulose
Hemicellulose
A

Hemicellulose

39
Q
In regards to transition health and inflammation, what has been shown to be beneficial? 
Soybeans
Ketones
Antioxidants
Probiotics
A

Antioxidants

40
Q
Marker combinations on chromosomes can be rearranged when a recombination event occurs during what cell division process? 
Fertilization
Meiosis
Mitosis
Transposition
A

Meiosis

41
Q
Microbiologists at the Agricultural Research Service’s National Animal Disease Center have discovered an antibody that is 100 percent specific in identifying what disease? 
Mastitis
Chicken pox
Johne’s
Brucellosis
A

Johne’s

42
Q
Data collected by the University of British Columbia shows that which housing practice was linked to a lower prevalence of lameness and lesions? 
Extra waterers in pens
Deep-bedding in freestalls
Stalls sized smaller than cows
Mattresses in stalls
A

Deep-bedding in freestalls

43
Q
A bedded pack’s temperature is a good indicator of the level of microbial composting activity. What should the temperature of the pack be when measured 6 to 12 inches below the surface? 
0 to 35°F
45 to 210°F
75 to 100°F
110 to 140°F
A

110 to 140 degrees F

44
Q
The optimum growth temperature for which forage crop is between 80 and 85°F? 
Alfalfa
Clover
Grass
Corn
A

Alfalfa

45
Q
For heifers that have been bitten by horn flies, the prevalence of mastitis caused by Staph. aureus is greatest in what part of the udder? 
Rear quarters
Front quarters
Median suspensory ligament
Left rear quarter
A

Front quarters

46
Q
In 2012, which state was the largest producer of cheese with 25.6 percent of the national total? 
Wisconsin
California
Hawaii
Vermont
A

Wisconsin

47
Q
When cows are milked 3x how long should the interval be from when the prep process starts to when milking units are attached? 
10 to 15 seconds
60 to 90 seconds
90 to 120 seconds
150 to 180 seconds
A

90 to 120 seconds

48
Q
When following maximum recommendations, which type of feed mixer can be loaded at 85 to 95 percent capacity? 
Horizontal
Reel
Chain and paddle
Vertical
A

Vertical

49
Q
As a general rule, manure that is not sand-laden requires a minimum elevation drop from collection to storage for gravity flow systems of how many feet? 
6 inches
2 feet
4 feet
10 feet
A

4 feet

50
Q
Manure that is sand-laden requires a minimum elevation drop from collection to storage for gravity flow systems of how many feet? 
6 inches
2 feet
4 feet
10 feet
A

10 feet

51
Q
Bonus: For hay that has been treated with an effective preservative, what is the maximum moisture content at which the forage should be baled? 
8 percent
23 percent
39 percent
62 percent
A

23 percent