Lab Midterm Flashcards

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)

23
Q

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

24
Q

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

25
Has 21-day estrous cycle (sheep/cattle)
cattle
26
has 17-day estrous cycle (sheep/cattle)
sheep
27
Copper is toxic to these animals (sheep/cattle)
sheep
28
Is polyestrous (not seasonal) (sheep/cattle)
cattle
29
is seasonally polyestrous (sheep/cattle)
sheep
30
shorthorn (british v continental)
british
31
Hereford (british v cotinental)
continental
32
simmental (british v continental)
continental
33
Gelbvieh
continental
34
Heterosis
when offspring are said to perform better than their parents avg.
35
EPD
Expected progeny difference ex: individual records, ancestor/progeny records, hereditability of trait
36
Desirable traits of British cattle breeds
mature younger, high fertility, easy calving
37
Undesirable traits of British cattle breeds
less muscular, smaller frame/lighter weight,
38
Desirable traits of Continental breeds
high carcass yield, more muscle
39
Undesirable traits of Continental breeds
low fertility, difficulties calving, less marbling
40
Dystocia
difficulty giving birth due to offspring size (normally too large)
41
Stocker operation
feeds high energy feed for animals to reach harvest
42
feedlot operation
feeds animals to heavier weights utilizing forages
43
cow
mature cow whos given birth
44
steer
castrated male
45
Heifer
mature female cow who hasn't given birth
46
Bull
intact male, regardless of age
47
cow-calf operation
raises calves to weaning
48
boar
intact male pig
49
sow
mature female pig
50
pig
general term for young
51
gilt
young female pig
52
barrow
castrated male pig
53
act of parturition in pigs
farrowing