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Intro to Animal Science-ANSC 1000 > Lab Midterm > Flashcards

Lab Midterm Flashcards

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1
Q

Average gestation length of a ewe

A

147 day

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2
Q

true statement regarding “breeds”

A

the organisms share the same traits

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3
Q

At the swine unit, which rooms use the “all-in-all-out” strategy

A

All

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4
Q

When lower jaw is stronger than the upper jaw, this is coined

A

Monkey mouth

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5
Q

Gelbvieh and Limousin are similar breeds, what trait makes them different

A

Carcass Characteristics

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6
Q

which of following is false about Simmentals

A

They have good calving ease

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7
Q

USDA grader feeder cattle based on size and muscle thickness. There are ___ frame sizes and ___ muscle scores.

A

3,4

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8
Q

Which kind of teeth is not present in a ruminant mouth

A

upper incisors

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9
Q

Why would a producer prefer to select polled Herefords over horned Herefords

A

Reduce dehorning costs
Reduce injury to handlers
Prevent injury to herd

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10
Q

Why are most market hogs crossbred

A

Hybrid vigor

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11
Q

Which of the following might have exceptionally aggressive behaviors

A

an Intact Male and New mother

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12
Q

Why are pigs vaccinated even if the herd itself is disease-free

A

Build immunity in case they leave the farm

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13
Q

In Brian’s eyes, what’s the most important point of evalution for a newborn replacement gilt?

A

Underline

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14
Q

The weaning weight of calves is adjusted to how many days

A

205

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15
Q

90 day WW formula

A

((weaning weight-birth weight)/weaning age days)x90 all +birth weight

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16
Q

what does feed efficiency measure

A

lbs of feed required per lbs of gain

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17
Q

PSS

A

porcine stress syndrome; occurs due to selection for extreme muscling

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18
Q

PSE

A

pale, soft, and exudative carcass

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19
Q

Maternal traits are mostly associated with ___ beef breeds and paternal/terminal traits are associated with ___ beef breeds

A

British
Continental

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20
Q

Range for BCS in cattle is

A

1-9

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21
Q

Continental breeds take longer to mature (T/F)

A

T

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22
Q

British breeds have larger frame sizes than continental breeds (T/F)

A

F

23
Q

A bull CAN pass strong maternal traits to their progeny (T/F)

A

T

24
Q

Continental breeds tend to have less muscle than British breeds (T/F)

A

F

25
Q

Has 21-day estrous cycle (sheep/cattle)

A

cattle

26
Q

has 17-day estrous cycle (sheep/cattle)

A

sheep

27
Q

Copper is toxic to these animals (sheep/cattle)

A

sheep

28
Q

Is polyestrous (not seasonal) (sheep/cattle)

A

cattle

29
Q

is seasonally polyestrous (sheep/cattle)

A

sheep

30
Q

shorthorn (british v continental)

A

british

31
Q

Hereford (british v cotinental)

A

continental

32
Q

simmental (british v continental)

A

continental

33
Q

Gelbvieh

A

continental

34
Q

Heterosis

A

when offspring are said to perform better than their parents avg.

35
Q

EPD

A

Expected progeny difference
ex: individual records, ancestor/progeny records, hereditability of trait

36
Q

Desirable traits of British cattle breeds

A

mature younger, high fertility, easy calving

37
Q

Undesirable traits of British cattle breeds

A

less muscular, smaller frame/lighter weight,

38
Q

Desirable traits of Continental breeds

A

high carcass yield, more muscle

39
Q

Undesirable traits of Continental breeds

A

low fertility, difficulties calving, less marbling

40
Q

Dystocia

A

difficulty giving birth due to offspring size (normally too large)

41
Q

Stocker operation

A

feeds high energy feed for animals to reach harvest

42
Q

feedlot operation

A

feeds animals to heavier weights utilizing forages

43
Q

cow

A

mature cow whos given birth

44
Q

steer

A

castrated male

45
Q

Heifer

A

mature female cow who hasn’t given birth

46
Q

Bull

A

intact male, regardless of age

47
Q

cow-calf operation

A

raises calves to weaning

48
Q

boar

A

intact male pig

49
Q

sow

A

mature female pig

50
Q

pig

A

general term for young

51
Q

gilt

A

young female pig

52
Q

barrow

A

castrated male pig

53
Q

act of parturition in pigs

A

farrowing

Intro to Animal Science-ANSC 1000 (12 decks)

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