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Dairy Cattle > #51-100 > Flashcards

#51-100 Flashcards

1
Q

Where are non-degradable proteins absorbed?

A

Small Intestine

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2
Q

If there are large numbers of flies around the dairy barn, what should be the first thing to be examined in an attempt to solve the fly problem?

A

Manure handling procedures

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3
Q

When referring to rations, what do the letters NFC stand for?

A

Non-Forage Carbohydrates

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4
Q

In a cow, where would you find an alveolus?

A

Udder

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5
Q

When discussing lactation records, what does the term “fat corrected milk” mean?

A

Lactation records have been adjusted to the same milk fat percentage

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6
Q

What percent non-fiber carbohydrates should a ration contain for high producing cows?

A

35 to 40 percent

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7
Q

What does GnRH stand for?

A

Gonadotropin Releasing Hormone

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8
Q

What is the approximate time of ovulation in cattle after the beginning of heat?

A

30 hours

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9
Q

What hormone is responsible for maintaining pregnancy?

A

Progesterone

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10
Q

What is the scientific term for birth?

A

Parturition

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11
Q

In reference to reproduction, what does CL stand for?

A

Corpus Luteum

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12
Q

To the hundreth, how many pounds of milk are in one gallon?

A

8.62 pounds

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13
Q

What pathway in young calves directs milk into the abomasum, bypassing the rumen, reticulum, and omasum?

A

Esophageal groove

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14
Q

Milk fever is also (scientifically) known as what?

A

Parturient paresis

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15
Q

What is milk fever paresis caused by?

A

Low blood levels of ionized calcium

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16
Q

According to the NRC, what percent calcium should a dry cow ration contain?

A

.39 percent

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17
Q

High potassium intake will decrease a cows ability to mobilize what?

A

Bone calcium

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18
Q

Cows that are at risk of developing ketosis can be fed what vitamin to help prevent ketosis?

A

Niacin

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19
Q

Hairy Heel Wart is scientifically known as what?

A

Digital Dermatitis

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20
Q

Foot Rot is scientifically known as what?

A

Interdigital phlegmon

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21
Q

When discussing feed mixers, what is the range of manufacturers recommended mixing times?

A

3-6 minutes

22
Q

The letters FSIS stand for what?

A

Food Safety and Inspection Service

23
Q

What do the letters FARAD stand for?

A

Food Animal Residue Avoidance Databank

24
Q

What bacterium causes cattle tuberculosis (TB)?

A

Mycobacterium bovis

25
Q

How frequently should an average cow freshen?

A

Once every 12 months

26
Q

What do the letters NRC stand for?

A

National Reasearch Council

27
Q

When discussing nutrition, what does NPN stand for?

A

Nonprotein nitrogen

28
Q

Corn silage, stored in upright, top-unloading silos, should be chopped at what percent moisture?

A

62 to 65 percent

29
Q

Corn silage stored in sealed upright silos should be ensiled at what moisture?

A

No less than 60 percent moisture

30
Q

What percent moisture should corn silage be chopped at when stored in horizontal bunker silos or bags?

A

70 percent moisture

31
Q

What do the letters FSA stand for?

A

Farm Service Agency

32
Q

What does BVD stand for?

A

Bovine Viral Diarrhea

33
Q

Neospora caninum is a major cause of what in pregnant cows?

34
Q

When referring to vaccinations, what do the letters MLV stand for?

A

Modified Live Virus

35
Q

When the environmental temperature falls below 30 degrees F, the normal diet of a young calve should be supplemented with______?

36
Q

After a bulk tank is washed and rinsed, beading of water droplets is a sign of __.

A

Fat residue

37
Q

When looking at DHI records, what do the letters RHA stand for?

A

Rolling Herd Average

38
Q

How is a dairy’s RHA calculated?

A

By dividing the total amount of milk produced in the past 365 days by the total number of cow years in the herd last year.

39
Q

When examining feed rations, what do the letters NDF stand for?

A

Neutral Detergent Fiber

40
Q

What bacterium causes Johne’s disease in cattle?

A

Mycobacterium Paratuberculosis

41
Q

What are two methods for shortening udder hair?

A

Clipping and Singeing

42
Q

What do the letters EU stand for?

A

European Union

43
Q

PTAT stands for what?

A

Predicted Transmitting Ability-Type

44
Q

%DBH stands for what?

A

Percentage of Difficult Births in Heifers

45
Q

What do the letters IDFA stand for?

A

International Dairy Foods Association

46
Q

What breed is known to produce milk over a greater number of years than all other breeds?

A

Brown Swiss

47
Q

Which of the compartments of a cow’s four-compartment stomach acts as the true stomach?

48
Q

What percent of crude protein should a calf starter be?

49
Q

Which dairy breed’s milk is golden-yellow in color?

50
Q

Which trait is worth the most points according to the Dairy Cow Unified Score Card?

Dairy Cattle (7 decks)

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