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ASCI 1 > Sheep > Flashcards

Sheep Flashcards

1
Q

lamb

A

young ovine

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2
Q

lambing

A

the act of giving birth

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3
Q

docking

A

the act of removing the tail of a young lamb

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4
Q

shearing

A

act of removing wool

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5
Q

wool

A

natural fiber produced by ovine

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6
Q

Which country has the highest number of sheep?

A

China

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7
Q

Top 5 Sheep Producing States

A

Texas, California, Colorado, Wyoming, Utah

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8
Q

When were sheep domesticated

A

10,000 B.C.

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9
Q

Uses for Sheep

A

food, milk, wheat, fiber, skins

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10
Q

Do sheep require a sheperd/dog?

A

Yes

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11
Q

When were the first sheep?

A

Jamestown, peak was in 1942 with 56 million

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12
Q

What is the number of sheep head today?

A

5.2 million

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13
Q

Uses of Sheep in WW2

A
  • their wool is naturally flame retardant, and water resistant
  • food; cheap and easy to distribute
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14
Q

National Wool Act of 1954

A

Incentivized raising sheep to ensure U.S. would be ready for another war, ended by president Bill Clinton.

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15
Q

Internal Parasites in Sheep

A

They eat soil and their lips tend it touch it a lot so they’re constantly picking up parasites.

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16
Q

Diseases in Sheep

A
  • When tails aren’t docked they can get many diseases, also very susceptible to footrot, sore mouth
  • Don’t show illnesses
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17
Q

Reasons for decline of sheep?

A

predators, parasites/diseases, limited slaughter locations, no technology development, skilled labor shortage, inefficiency, wool value decrease

18
Q

Lamb consumption per year

A

1.1 lbs.

19
Q

Seasonal breeder

A

breed in fall, lamb in the spring

20
Q

Estrous cycle in sheep

A

17 days

21
Q

Estrus cycle in sheep

A

30 hours; have a silent heat

22
Q

Gestation period in sheep

A

5 months or 147 days

23
Q

How does light affect breeding in sheep.

A

They are susceptible to light and can be used for breeding purposes. The decrease of light means more ewes are in estrus and higher conception rates

24
Q

Goal for lambing rate in sheep?

A

200% or twins

25
Q

Breeding soundness exam in rams

A

physical exam (epididymitis) and a semen exam (motility, mortality, morphology)

26
Q

What type of lambs are most likely to conceive.

A

crossbreeds

27
Q

Are more mature ewes more likely to convcieve

A

yes, 4 or 5 years

28
Q

Hormones for sheep

A

can be used to synchronize or bring ewes into estrus

29
Q

Market age of sheep

A

6-8 months

30
Q

market weight of sheep

A

100-500 lbs.

31
Q

Dressing % of sheep

A

54%

32
Q

Are sheep ruminants?

A

yes eat forage and some grain

33
Q

Feed conversion for sheep

A

4 lbs of feed to 1 lbs of lamb

34
Q

Sheep Breed Categories

A

Wool, meat, hair, dairy

35
Q
  • dual purpose (fine wool and carcass)
  • most common sire in wester range flocks
  • large frames
A

Rambouillet

36
Q
  • meat breed
  • black legs and head
  • roman nose
  • most popular sire for market lambs
  • wooless face/legs so less foxtails and less medical needs
A

Suffolk

37
Q
  • meat breed
  • closed face
  • common terminal sire in commercials herds in cooler climates
A

Hampshire

38
Q
  • distinct grey-mousy brown color
  • small framed and early maturing
  • dual purpose (meat and wool)
A

Southdown

39
Q
  • prolific breeders and milkers
  • medium wool quality
  • meat breed
  • can be horned or poled
  • able to breed out of season
A

Dorset

40
Q

What is wool grading based on?

A

diameter (finer wool means its softer so its worth more), crimp (natural curl), yield (how much of it), color (black wool can not be dyed), length (how long), strength (tensility)

ASCI 1 (10 decks)

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