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AVS 101 > Dairy Cattle, Swine, and Poultry Industry > Flashcards

Dairy Cattle, Swine, and Poultry Industry Flashcards

1
Q

What is the normal body temperature range for dairy cattle?

A

100.4-102.8

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2
Q

What is the normal body temperature range for a chicken?

A

105.0-109.4

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3
Q

Gestation period for pigs?

A

114 days

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4
Q

How long is a pigs estrous cycle?

A

21 days

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5
Q

How long is the incubation period of a chicken?

A

21 days

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6
Q

Castrated male pig

A

barrow

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7
Q

most popular white egg-laying breed of chicken

A

white leghorn

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8
Q

most popular pig breed in the US

A

Yorkshire

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9
Q

What country produces the most pigs/pork in the world?

A

China

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10
Q

top states for egg production?

A

Iowa, Indiana, Ohio, Pennsylvania, Texas

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11
Q

a contract producer is responsible for providing

A

facilities, land, equipment, labor

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12
Q

what percentage of broilers are reared by contract producers

A

90%

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13
Q

how long is the lactation period of a dairy cow?

A

305 days

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14
Q

At what age are dairy heifers weaned? At what age are they bred?

A

6-8 weeks; 12-14 months

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15
Q

How many days post-calving does a cow reach peak production?

A

50-70 days

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16
Q

What pathogen can cause mastitis and is frequently found in an unclean environment?

A

E.coli

17
Q

A cow with mastitis will exhibit _________________ which can be used as an indicator of milk quality.

A

high somatic cell count

18
Q

In a conventional parlor system cows must be milked how many times a day

A

2

19
Q

Milk containing antibiotics is …

A

rejected; not sold for human consumption

20
Q

How much should piglets weigh at birth

A

2-3 pounds

21
Q

what is the market weight for pigs

A

280 pounds

22
Q

what are the procedures designed to minimize the risk of disease transmission from sources outside the farm.

A

biosecurity

23
Q

what is the major component of a pigs diet

A

corn and soybean meal

24
Q

Swine genetic improvement occurs by selecting for traits such as

A

Reproductive efficiency
Lean muscle mass
Growth rate

25
Q
A

AVS 101 (2 decks)

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