#151-200 Flashcards

1
Q

The hormone BST is given to dairy cows:

A

After 200 days of lactation

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2
Q

For best results calves should be fed colostrum within__ hours of calving:

A

6 hours

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3
Q

Abortion in the last trimester of pregnancy is often caused by______.

A

Brucellosis

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4
Q

A condition of low blood calcium, which results in partial paralysis of the cow is known as _____.

A

Milk fever

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5
Q

When a small metal object punctures the stomach wall and causes an infection, the resulting disease is called_________.

A

Hardware disease

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6
Q

A disease transmitted through natural mating which causes abortion, low conception rates, and irregular heat cycles is_______.

A

Vibriosis

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7
Q

A disease causing air bubbles under the skin and usualy results in rapid death is _______.

A

Black leg

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8
Q

The condition in which the cow is giving more milk than nutrients that she is consuming in feed is called:

A

Negative net energy balance

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9
Q

As a rule of thumb when milk production_______, the milk fat content_____.

A

Decreases, increases

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10
Q

Feeding bulky feeds during the dry period and gradually bringing fresh cows back on grain are ways to prevent:

A

Displaced abomasum

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11
Q

The two U.S. dairy breeds that originated in the Channel Islands off the coast of France are:

A

Guernsey and Jersey

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12
Q

_______ reresents the largest daily input cost in producing milk.

A

Feed

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13
Q

The breed of dairy cattle that can be roan, all red, all white, or even spotted red and white is:

A

Milking Shorthorn

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14
Q

What state agency regulates waste management?

A

Texas Commission on Environmental Quality

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15
Q

What manure waste management puts solids in a bin and lets it degrade?

A

Composting

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16
Q

What manure waste management method runs manure across a press and squeezes the water out?

A

Solids removal

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17
Q

Which mineral functions in maintaining osmotic pressure, acid-base balance, and body fluid balance?

A

Sodium

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18
Q

Which mineral is found in high consentrations in soft issues such as the panrease, liver, and kidney?

A

Zinc

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19
Q

What is a nonfunctional mammary gland called?

A

Blind quarter

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20
Q

When doing classification scoring, a cow given the numerical vavue of 85-89.9 is classified as:

A

Very good

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21
Q

What is the most abundant mineral in the body?

22
Q

What mineral is necessary for hemoglobin formation?

23
Q

A bovine female which has not had a calf is a:

24
Q

How many days after parturition should you wait before breeding a cow back?

25
What trait with the only positive genetic correlation to milk production?
Dairy character
26
Which dairy breed has a restriction for disallowing black markings?
Milking Shorthorn
27
What numerical value does a Holstein cow get when given the classification excellent?
90-100
28
What is the classification for a Holstein cow given the numerical value 80-84.9?
Good plus
29
What numerical value does a Holstein cow given the classification good?
75-79.9
30
What is the classification for a Holstein cow given the numerical value of less than 70?
Poor
31
What is the reasonable score for body condition at mid-lacation?
3.0
32
The rear quarters produce _____ % fo the daily milk yield.
60%
33
BST is the acronym for what compound?
Bovine Somatotropin
34
At what isoelectric point (point at which proteins have net sero charge) do caseins precipitate?
pH 4.6
35
How many grams of lactose are in an 8 oz. glass of milk?
10
36
Bulk tanks must be emptied and cleaned every ___ hours.
72
37
if you add sugar to a milk product, you must ___ F. by ___ degrees.
Increase, 5
38
Ceheddar cheese accounts for ____ % of American type cheeses made in the U.S.
80
39
The source of rennet ( a substance used in cheese making) is:
The abomasum of a milk fed calf
40
Legally you cannot make cottage cheese from raw milk, but you can make ____ from raw milk.
Cheddar cheese
41
_____ is a coumpound that is fermented for flavor in buttermilk and sour cream.
Citrate
42
98% of somatic cells are:
Leukocytes
43
Cows have ____ streak canals per teat.
1
44
Crude fiber in a dietary ration must be at least ___% or milk fat percent will decrease.
18
45
Which body part is located more towards the front of the animal?
Flank
46
The topline of a cow is made up of the :
Loin and chine
47
Which part of an animal touched the ground if he/she is walking on a correct set of feet and legs?
Sole
48
The top most part of a cow's head is called the:
Poll
49
A switch on a cow is:
The bottom most part of the tail
50
Teh hooks and pins on an animal relate most closely to the:
Rump